PUBLICATIONS OF WILLIAM E. WALTON

 

Scientific Publications:

 

124.   Why, A. M., D.-H. Choe, J. Millar and W. E. Walton. 2017. Ovipositional responses of Culex tarsalis to fish-associated semiochemicals in laboratory bioassays. Proc. Papers Mosq. Vector Control Assoc. Calif.: In press.

123.   Duguma, D., S. L. Ortiz, Y. Lin, P. C. Wilson and W. E. Walton. 2017. Effects of a larval mosquito biopesticide and Culex larvae on a freshwater nanophytoplankton (Selenastrum capricornatum) under axenic conditions. Journal of Vector Ecology 42(1): 51-59.

 

122.   Popko, D. A., J. Henke, B. A. Mullens and W. E. Walton. 2016. Entomopathogenic fungi in mosquito control.  Proc. Papers Mosq. Vector Control Assoc. Calif. 86: 72.

 

121.   Walton, W. E., D. Duguma, M. Tao, D. A. Popko and S. Nygren. 2016. Integrated mosquito management in experiment constructed wetlands: Efficacy of small-stature macrophytes and fluctuating hydroperiod. Water 8, 421. Special issue: Constructed Wetlands for Water Treatment: New Developments. H. Brix, C. A. Arias, and P. N. Carvalho (eds.) doi: 10.3390/w8100421

 

120.   Why, A. M., J. R. Lara and W. E. Walton. 2016. Oviposition of Culex tarsalis differs on water conditioned by potential fish and insect predators.  Journal of Medical Entomology 53: 1093-1099. [PDF available by request]

 

119.   Popko, D. A. and W. E. Walton. 2016. Large-volume gravid traps enhance collection of Culex vectors. Journal of the American Mosquito Control Association 32(2): 91-102.

 

118.   Beasley, D. A. and W. E. Walton. 2016. Suitability of monotypic and mixed diets for Anopheles hermsi larval development. Journal of Vector Ecology 41(1): 80-89.

 

117.   Pennington, M. J., S. M. Prager, W. E. Walton and J. T. Trumble. 2016. Culex quinquefasciatus larval microbiomes vary with instar and exposure to common wastewater contaminants. Scientific Reports 6:21969 DOI 10.1038/srep21969

 

116.   Wirth, M. C., W. E. Walton and B. A. Federici. 2015. Evolution of resistance in Culex quinquefasciatus Say (Diptera: Culicidae) selected with a recombinant Bacillus thuringiensis strain producing Cyt1Aa and Cry11Ba and the binary toxin, Bin, from Lysinibacillus sphaericus. Journal of Medical Entomology: 52: 1028-1035. [PDF available by request]

 

115.   Duguma, D., M. Hall, P. Rugman-Jones, R. Stouthamer, O. Terenius, J. D. Neufeld and W. E. Walton. 2015.  Developmental succession of the microbiome of Culex mosquitoes.  BMC Microbiology 15: 140; doi 10.1186/s1 2866-015-0475-8

 

114.   Pennington, M. J., N. G. Rivas, S. M. Prager, W. E. Walton and J. T. Trumble. 2015. Pharmaceuticals and personal care products alter the holobiome and development of a medically important mosquito. Environmental Pollution 203: 199-207.

 

113.   Duguma, D., M. Hall, P. Rugman-Jones, R. Stouthamer, J. D. Neufeld and W. E. Walton. 2015.  Microbial communities and nutrient dynamics in experimental microcosms are altered after application of a high dose of Bti.  Journal of Applied Ecology. doi:10.1111/1365-2664.12422 [link to Wiley]. [Pre-publication version] [Supplemental material]

 

112.   Why, A. M., B. Johnson, S. Nygren, R. Zembal, J. Thieme and W. E. Walton. 2014. Suitability of the arroyo chub (Gila orcutti) for the biological control of mosquitoes in a southern California treatment wetland. Proc. Papers Mosq. Vector Control Assoc. Calif. 82: 80-89.

 

111.    Walton, W., N. McConnell, A. Why, S. Merkley, M. Saba, A. Semrow, R. Cummings, K. Nguyen and J. Newton. 2014. Assessment of native fishes for vector control in Orange County, California. Proc. Papers Mosq. Vector Control Assoc. Calif. 82: 70-79.

 

110.   Duguma, D. and W. E. Walton. 2014. Effects of nutrients on mosquitoes and an emergent macrophyte, Schoenoplectus maritimus, for use in treatment wetlands. Journal of Vector Ecology 39(1): 1-13.

 

109.   Wirth, M. C., C. Berry, W. E. Walton and B. A. Federici. 2014. Mtx toxins from Lysinibacillus sphaericus enhance mosquitocidal Cry activity and suppress Cry-resistance in Culex quinquefasciatus (Diptera: Culicidae). Journal of Invertebrate Pathology 115: 62-67.

 

108.  Walton, W. E., and W. K. Reisen. 2014. Influence of climate change on mosquito development and blood feeding patterns. Chap. 3. Pp. 35-56. In: S. K. Singh (ed.), Viral Infections and Climate Change. John Wiley and Sons.

 

107.   Mogren, C. L., W. E. Walton and J. T. Trumble.  2014. Tolerance to individual and joint effects of arsenic and Bacillus thuringiensis var. israelensis or Lysinibacillus sphaericus in Culex mosquitoes. Insect Science 21: 477-485. DOI: 10.1111/1744-7917.12046.

 

106.   Popko, D. A., and W. E. Walton. 2013. Small-stature emergent macrophytes and crepuscular sprinkler disturbance reduce mosquito abundance in wetland mesocosms. Journal of Vector Ecology 38(2): 379-389.

 

105.   Duguma, D., P. Rugman-Jones, M. G. Kaufman, M. Hall, J. D. Neufeld, R. Stouthamer and W. E. Walton. 2013. Bacterial communities associated with Culex mosquito larvae and two emergent aquatic plants of bioremediation importance. PLoS ONE 8(8): e72522.

 

104.   Mogren, C. L., W. E. Walton, D. R. Parker and J. T. Trumble. 2013. Trophic transfer of arsenic from an aquatic insect to terrestrial insect predators. PLoS ONE 8(6): e67817.

 

103.   Mogren, C. L., S. M. Webb, W. E. Walton and J. T. Trumble. 2013. Micro x-ray absorption spectroscopic analysis of arsenic localization and biotransformation in Chironomus riparius Meigen (Diptera: Chironomidae) and Culex tarsalis Coquillett (Culicidae). Environmental Pollution 180: 78-83.

 

102.   Walton, W. E., D. A. Popko, A. R. Van Dam, and A. Merrill. 2013. Distribution of Culex species in vegetation bands of a constructed wetland undergoing integrated mosquito management. Journal of the American Mosquito Control Association 29: 69–73.

 

101.   Rey, J. R., W. E. Walton, R. J. Wolfe, C. R. Connelly, S. M. O’Connell, J. A. Berg, G. E. Sakolsky-Hoopes, and A. D. Laderman.  2012. North American wetlands and mosquito control. International Journal of Environmental Research and Public Health 9(12): 4537-4605. [Special issue on “Environmental Determinants of Infectious Disease Transmission”, J. Shaman (ed.)] doi:10.3390/ijerph9124537

 

100.   Wirth, M. C., B. A. Federici, and W. E. Walton. 2012. Inheritance, stability, and dominance of Cry-resistance in Culex quinquefasciatus (Diptera: Culicidae) selected with the three Cry toxins of Bacillus thuringiensis subsp. israelensis. Journal of Medical Entomology 48: 886-894.

 

99.    Subramaniam, J., K. Kovendan, P. Kumar, K. Murugan, and W. E. Walton. 2012. Mosquito larvicidal activity of Aloe vera (Family: Liliaceae) leaf extract and Bacillus sphaericus, against Chikungunya vector, Aedes aegypti. Saudi Journal of Biological Sciences 19: 503-509.

 

98.    Walton, W. E. 2012. Design and management of free water surface constructed wetlands to minimize mosquito production. Wetlands Ecology and Management 20: 173–195.  [Special Issue on “Wetlands and Human Health” edited by P. Dale and C. R. Connelly.]  doi: 10.1007/s11273-011-9243-1   The final publication is available at www.springerlink.com.  PDF available upon request.

 

97.    Walton, W. E., D. A. Popko, A. R. Van Dam, A. Merrill, J. Lythgoe, and B. Hess. 2012. Width of planting beds for emergent vegetation influences mosquito production from a constructed wetland in California (USA). Ecological Engineering 42: 150-159.

 

96.    Walton, W. E., J. A. Henke, and A. M. Why. 2012. Gambusia affinis (Baird and Girard) and Gambusia holbrooki Girard (Mosquitofish). Chap. 22. Pp. 261-273. In: R. Francis (ed.) A Handbook of Global Freshwater Invasive Species. Earthscan. London, U.K. [PDF] [HD PDF: 9 MB]

 

95.    Pachón, R. T., and W. E. Walton. 2011. Seasonal occurrence of black flies (Diptera: Simuliidae) in a desert stream receiving trout farm effluent. Journal of Vector Ecology 36:187-196.

 

94.    Wirth, M. C., W. E. Walton, and B. A. Federici.  2010.  Inheritance patterns, dominance, stability and allelism of insecticide resistance and cross-resistance in two colonies of Culex quinquefasciatus (Diptera: Culicidae) selected with Cry-toxins from Bacillus thuringiensis subsp. israelensis.  Journal of Medical Entomology 47: 814-822.

 

93.    Gordillo, A. R., and W. E. Walton. 2010.  Effects of larval diet on life history traits of Culex mosquitoes. Proc. Papers Mosq. Vector Control Assoc. Calif. 78: 16-18.

 

92.    Berg, J. A., M. G. Felton, J. L. Gecy, A. D. Laderman, C. R. Mayhew, J. L. Mengler, W. H. Meredith,  N. R. Read, J. R. Rey, C. Roberts, G. E. Sakolsky-Hoopes, W. E. Walton, and R. J. Wolfe. 2010. Mosquito control and wetlands. Wetland Science and Practice 27(2): 24-34. [PDF]

 

91.     Wirth, M. C., W. E. Walton and B. A. Federici. 2010. Evolution of resistance to the Bacillus sphaericus Bin toxin is phenotypically masked by combination with the mosquitocidal proteins of Bacillus thuringiensis subspecies israelensis. Environmental Microbiology 12: 1154-1160.

 

90.    Henke, J. A., and W. E. Walton. 2009. Effects of vegetation on the efficacy of larval mosquito (Diptera: Culicidae) control by a native larvivorous fish. Proc. Papers Mosq. Vector Control Assoc. Calif. 77: 224-229.

 

89.    Popko, D. A., M. R. Sanford and W. E. Walton. 2009. The influence of water quality and vegetation on mosquitofish in mosquito control programs in wastewater wetlands. Proc. Papers Mosq. Vector Control Assoc. Calif. 77: 230-237.

 

88.    Walton, W. E., A. R. Van Dam and D. A. Popko. 2009. Ovipositional responses of two Culex (Diptera: Culicidae) species to larvivorous fish. Journal of Medical Entomology 48: 1338-1343.

 

87.    Berg, J., M. Felton, D. Fish, L. Gecy, A. Laderman, C. Mayhew, J. Mengler, W. H. Meredith, N. Read, J. Rey, C. Roberts, G. Sakolsky-Hoopes, W. E. Walton, B. Warner, and R. Wolfe. (alphabetical list) 2009. Current Practices in Wetland Management for Mosquito Control. SWS Web Page. Wetland Concerns Committee. 19p. [PDF]

 

86.    Harbison, J. E., M. E. Metzger, W. E. Walton, and R. Hu. 2009. Evaluation of factors for rapid development of Culex quinquefasciatus in belowground stormwater treatment devices. Journal of Vector Ecology 34(2): 182-190.

 

85.    Walton, W. E. 2009. Effectiveness of pyramidal emergence traps for estimating production of Culex mosquitoes (Diptera: Culicidae). Journal of the North American Benthological Society 28: 676-682.

 

84.    Van Dam, A. R. and W. E. Walton. 2008. The effect of predatory fish exudates on the ovipositional behaviour of three mosquito species: Culex quinquefasciatus, Aedes aegypti and Culex tarsalis.  Medical and Veterinary Entomology 22: 399-404.

 

83.    Peck, G. W. and W. E. Walton.  2008. Effect of mosquitofish (Gambusia affinis) and sestonic food abundance on the invertebrate community within a constructed treatment wetland. Freshwater Biology 53: 2220-2233.

 

82.    Heft, D. E. and W. E. Walton. 2008. Effects of the El Niño - Southern Oscillation (ENSO) cycle on mosquito populations in southern California. Journal of Vector Ecology 33: 17-29.

 

81.     Pachón, R. T. and W. E. Walton. 2008. Effects of a small-scale trout farming operation on water quality and entomofauna of a desert stream in southern California. Special Issue on “Stream Ecology and Low Flows.” International Journal of Ecological Economics and Statistics 12: 26-43. [Volume Table of Contents]

 

80.    Sorensen, M. A., W. E. Walton and J. T. Trumble. 2007. Impact of the inorganic pollutants perchlorate and hexavalent chromium on the efficacy of Bacillus sphaericus and Bacillus thuringiensis subsp. israelensis against Culex quinquefasciatus (Diptera: Culicidae). Journal of Medical Entomology 44: 811-816.

 

79.    Wirth, M. C., Y. Yang, W. E. Walton, B. A. Federici, and C. Berry. 2007. Mtx toxins synergize Bacillus sphaericus and Cry11Aa against susceptible and insecticide-resistant Culex quinquefasciatus. Applied and Environmental Microbiology: 73 (19): 6066-6071.

 

78.    Van Dam, A. R. and W. E. Walton. 2007. Comparison of mosquito control provided by the arroyo chub (Gila orcutti) and the mosquitofish (Gambusia affinis). Journal of the American Mosquito Control Association 23: 430-441.

 

77.      Walton, W. E. 2007. Larvivorous fish including Gambusia. In: “Biorational Control of Mosquitoes.” (T. Floore, ed.) American Mosquito Control Association, Bull. No. 7, Mount Laurel, NJ. Journal of the American Mosquito Control Association 23 (2) Suppl.: 184-220.

 

76.   Wirth, M. C., A. Zaritsky, E. Ben-Dov, R. Manasherob, V. Khasdan, S. Boussiba, and W. E. Walton. 2007. Cross-resistance spectra of Culex quinquefasciatus resistant to mosquitocidal toxins of Bacillus thuringiensis toward recombinant Escherichia coli expressing genes from B. thuringiensis subsp. israelensis. Environmental Microbiology 9: 1393-1401.

 

75.      Jensen, P. D., M. A. Sorensen, W. E. Walton, and J. T. Trumble. 2007. Lethal and sublethal responses of an aquatic insect Culex quinquefasciatus (Diptera: Culicidae) challenged with individual and joint exposure to dissolved sodium selenate and methyl mercury chloride. Environmental Toxicology 22: 287-294.

 

74.    Walton, W. E., M. C. Wirth and P. D. Workman. 2007. Environmental factors influencing survival of threespine stickleback (Gasterosteus aculeatus) in a multipurpose constructed treatment wetland in southern California. Journal of Vector Ecology 32: 90-105.

 

73.    Popko, D. A., S.-K. Han, B. Lanoil and W. E. Walton. 2006. Molecular ecological analysis of planktonic bacterial communities in constructed wetlands invaded by Culex (Diptera: Culicidae) mosquitoes. Journal of Medical Entomology 43: 1153-1163.

 

72.    Sorensen, M. A., P. D. Jensen, W. E. Walton and J. T. Trumble. 2006. Acute and chronic activity of perchlorate and hexavalent chromium contamination on the survival and development of Culex quinquefasciatus Say (Diptera: Culicidae). Environmental Pollution 144: 759-764.

 

71.     Peck, G. W. and W. E. Walton. 2006. Effect of Bacterial food quality and density on growth and whole body stoichiometry of Culex quinquefasciatus and Culex tarsalis (Diptera: Culicidae). Journal of Medical Entomology 43: 25-33.

 

70.    Sanford, M. R., K. Chan, and W. E. Walton. 2005. Effects of inorganic nitrogen enrichment on mosquitoes (Diptera: Culicidae) and the associated aquatic community in a constructed treatment wetland. Journal of Medical Entomology 42: 766-776. [Corrected version of Table 1]

 

69.    Peck, G. W. and W. E. Walton. 2005. Effect of natural assemblages of larval foods on Culex quinquefasciatus and Culex tarsalis (Diptera: Culicidae) growth and whole body stoichiometry. Environmental Entomology 34: 767-774.

68.    Wirth, M. C., J. A. Jiannino, B. A. Federici, and W. E. Walton. 2005.  Evolution of resistance to Bacillus sphaericus or a mixture of B. sphaericus + Cyt1A from Bacillus thuringiensis in the mosquito Culex quinquefasciatus (Diptera: Culicidae). J. Invertebrate Pathology 88: 154-162.

 

67.    Park, H.-W., D. K. Bideshi, M. C. Wirth, J. J. Johnson, W. E. Walton, and B. A. Federici. 2005. Recombinant larvicidal bacteria with markedly improved efficacy against Culex vectors of West Nile virus.  American Journal of Tropical Medicine and Hygiene 72: 732-738. [Abstract]

 

66.    Walton, W. E. and J. A. Jiannino. 2005. Vegetation management to stimulate denitrification increases mosquito abundance in multipurpose constructed wetlands. J. Am. Mosq. Control Assoc. 21: 22-27.

 

65.    Wirth, M. C., H.-W. Park, W. E. Walton, and B. A. Federici. 2005. Cyt1A of Bacillus thuringiensis delays the evolution of resistance to Cry11A in the mosquito, Culex quinquefasciatus. Appl. Environ. Microbiol. 71: 185-189.

 

64.    Wirth, M. C., W. E. Walton, R. Manasherob, V. Khasdan, E. Ben-Dov, S. Boussiba, and A. Zaritsky. 2004. Larvicidal activitites of transgenic Escherichia coli against susceptible and Bacillus thuringiensis israelensis-resistant strains of Culex quinquefasciatus. Symposium on the "Ecological Impact of Genetically Modified Organisms." IOBC/WPRS Bulletin 27: 171-176.

 

63.    Beckage, N. E., K. M. Marion, W. E. Walton, M. C. Wirth, and F. F. Tan.  2004. Comparative larvicidal toxicities of three ecdysone agonists on the mosquitoes Aedes aegypti, Culex quinquefasciatus, and Anopheles gambiae. Arch. Insect Biochem. Physiol. 57: 111-122.

 

62.    Wirth, M. C., J. A. Jiannino, B. A. Federici, and W. E. Walton. 2004. Synergy between toxins from Bacillus thuringiensis subsp. israelensis and Bacillus sphaericus. J. Med. Entomol. 41: 935-941.

 

61.     Wirth, M. C., A. Delécluse, and W. E. Walton.  2004.  Laboratory selection for resistance to Bacillus thuringiensis subsp. jegathesan or a component toxin, Cry 11B, in Culex quinquefasciatus Say (Diptera: Culicidae). J. Med. Entomol. 41: 435-441.

        

60.    Sanford, M. R. and W. E. Walton.  2004.  A new collection record for Uranotaenia anhydor in southern California. J. Am. Mosq. Control Assoc. 20: 85-86.

 

59.    Jiannino, J. A. and W. E. Walton.  2004.  Evaluation of vegetation management strategies for controlling mosquitoes in a southern California constructed wetland. J. Am. Mosq. Control Assoc. 20: 18-26.

 

58.    Workman, P. D. and W. E. Walton.  2003.  Larval behavior of four Culex (Diptera: Culicidae) associated with treatment wetlands in the southwestern United States. J. Vector Ecology 28: 213-228.

 

57.    Walton, W. E.  2003.  Managing mosquitoes in surface-flow constructed treatment wetlands. University of California, Division of Agriculture and Natural Resources. Davis, CA. Publ. No. 8117. 11 pp.  Available at: http://anrcatalog.ucdavis.edu/pdf/8117.pdf

 

56.    Keiper, J. B., J. A. Jiannino, M. R. Sanford, and W. E. Walton.  2003.  Effect of vegetation management on the abundance of mosquitoes at a constructed treatment wetland in southern California. Proc. Papers Mosq. Vector Control Assoc. Calif. 70: 35-43.

 

55.    Keiper, J. B., M. Stanczak, and W. E. Walton. 2003. Adult Chloropidae (Diptera) associated with constructed treatment wetlands modified by three vegetation management techniques. Entomological News 114: 205-210.

 

54.    Sanford, M. R., J. B. Keiper, and W. E. Walton.  2003.  The impact of wetland vegetation drying time on abundance of mosquitoes and other invertebrates. J. Am. Mosq. Control Assoc. 19: 361-366.

 

53.    Wirth, M. C., W. E. Walton, and A. Delécluse.  2003.  Deletion of the Cry11A or the Cyt1A toxin from Bacillus thuringiensis subsp. israelensis: effect on toxicity against resistant Culex quinquefasciatus (Diptera: Culicidae). J. Invertebrate Pathol. 82: 133-135.

 

52.    Knight, R. L., W. E. Walton, G. F. O’Meara, W. K. Reisen, and R. Wass.  2003.  Strategies for effective mosquito control in constructed treatment wetlands. Ecological Engineering 21: 211-232.

 

51.     Won, Y-S., H. H. J. Cox, W. E. Walton, and M. A. Deshusses.  2002.  An environmentally friendly method for controlling biomass in biotrickling filters for air pollution control.  95th Annual Conference & Exhibition of the Air & Waste Management Assoc., Baltimore, MD, June 23-27, 2002. 12 pp. [PDF]

 

50.    Walton, W. E.  2002.  Multipurpose constructed treatment wetlands in the arid southwestern United States: Are the benefits worth the risks?  In: J. Pries (ed.) “Treatment Wetlands for Water Quality Improvement: Quebec 2000 Conference Proceedings (Selected Papers).” CH2M Hill Canada Limited, Pandora Press, Waterloo, ON. (Invited paper). pp. 115-123. 

 

49.    Keiper, J. B., W. E. Walton, and B. A. Foote.  2002.  Biology and ecology of higher Diptera from freshwater wetlands. Annual Review of Entomology 47: 207-232.

 

48.    Keiper, J. B. and W. E. Walton.  2002.  Effects of three vegetation management strategies on shore flies (Diptera: Ephydridae) in newly constructed treatment wetlands.  Ann. Entomol. Soc. Am. 95: 570-576.

 

47.   Thullen, J. S., J. J. Sartoris, and W. E. Walton.  2002.  Effects of vegetation management in constructed wetland treatment cells on water quality and mosquito production. Ecological Engineering 18: 441-457.

 

46.    Keiper, J. B., D. L. Deonier, J. Jiannino, M. Sanford, and W. E. Walton.  2002.  Biology, immature stages, and redescriptions of Hydrellia personata Deonier (Diptera: Ephydridae), a Lemna miner. Proc. Entomol. Soc. Washington 104: 458-467.

 

45.    Wirth, M. C., A. Delécluse, and W. E. Walton.  2001.  Cyt1Ab1 and Cyt2Ba1 from Bacillus thuringiensis subsp. israelensis and subsp. medellin synergize Bacillus sphaericus against Aedes aegypti and resistant Culex quinquefasciatus (Diptera: Culicidae). Appl. Environ. Microbiol. 67: 3280-3284.

 

44.    Wirth, M. C., A. Delécluse, and W. E. Walton.  2001.  Lack of cross-resistance to Cry19A from Bacillus thuringiensis subsp. jegathesan in Culex quinquefasciatus (Diptera: Culicidae) resistant to Cry toxins from Bacillus thuringiensis subsp. israelensis. Appl. Environ. Microbiol. 67: 1956-1958.

 

43.    Walton, W. E.  2001.  Effects of Triops newberryi (Notostraca: Triopsidae) on aquatic insect communities in ponds in the Colorado desert of southern California.  Israel Journal of Zoology 47: 491-512.  Invited paper for a Special Issue on the "Ecology of Temporary Pools."

 

42.    Keiper, J. B., J. Jiannino, M. Sanford, and W. E. Walton.  2001.  Biology and immature stages of Typopsilopa nigra (Williston) (Diptera: Ephydridae), a secondary consumer of damaged stems of wetland monocots.  Proc. Entomol. Soc. Washington 103: 89-97.

 

41.     Keiper, J. B., M. Sanford, J. Jiannino, and W. E. Walton.  2000.  Invertebrates inhabiting wetland monocots damaged by Lepidoptera. Entomological News 111(6): 348-354.

 

40.    Wirth, M. C., W. E. Walton, and B. A. Federici.  2000.  Cyt1A from Bacillus thuringiensis Restores Toxicity of Bacillus sphaericus against resistant Culex quinquefasciatus (Diptera: Culicidae).  J. Med. Entomol. 37: 401-407.

 

39.    Workman, P. D. and W. E. Walton.  2000.  Emergence patterns of Culex mosquitoes (Diptera: Culicidae) at an experimental constructed treatment wetland in southern California. J. Am. Mosq. Control Assoc. 16: 124-130.

 

38.    Walton, W. E., J. J. Sartoris, J. S. Thullen, and L. B. Barber.  2007.  The impact of emergent vegetation on water quality improvement and mosquito production in a wastewater treatment wetland.  Pp. 45-51. In: S. Woo, B. Smith and B. A. Finney (eds.) Conference on the "Role of Wetlands in Watershed Management - Lessons Learned."  Second Conference on the Use of Wetlands for Wastewater Treatment and Resource Enhancement. May 18-19, 2000.  Humboldt State University.  Arcata, CA. [PDF]

 

37.    Keiper, J. B. and W. E. Walton.  2000.  Biology and immature stages of Brachydeutera sturtevanti (Diptera: Ephydridae), a hyponeustic generalist. Annals of the Entomological Society of America 93: 468-475.

 

36.    Wirth, M. C., B. A. Federici, and W. E. Walton.  2000.  Cyt1A from Bacillus thuringiensis synergizes activity of Bacillus sphaericus against Aedes aegypti (Diptera: Culicidae). Applied and Environmental Microbiology 66: 1093-1097.

 

35.    Keiper, J. B. and W. E. Walton.  2000.  Biology and immature stages of Ochrotrichia quadrispina Denning and Blickle (Trichoptera: Hydroptilidae), a spring-inhabiting scraper.  Proc. Ent. Soc. Washington 102(1): 183-187.

 

34.    Keiper, J. B. and W. E. Walton.  1999.  Biology and morphology of the mature larva of Oxyethira arizona Ross (Trichoptera: Hydroptilidae). Pan Pacific Entomologist 75: 212-230.

 

33.    Offill, Y. A. and W. E. Walton.  1999.  Comparative efficacy of the threespine stickleback (Gasterosteus aculeatus) and the mosquitofish (Gambusia affinis) for mosquito control.  J. Am. Mosq. Control Assoc. 15: 380-390.

 

32.    Walton, W. E., P. D. Workman, and C. Tempelis.  1999.  Dispersal, survivorship, and host selection of Culex erythrothorax (Diptera: Culicidae) associated with a constructed wetland in southern California.  Journal of Medical Entomology 36: 30-40.

 

31.     Keiper, J. B., J. Jiannino, J. Beehler, and W. E. Walton.  1999.  Distribution and abundance of Culicidae and Chironomidae (Diptera) following storm damage in a southern California constructed wetlands.  Proc. Papers Mosq. Vector Control Assoc. Calif. 67: 47-54.

 

30.    Walton, W. E., P. D. Workman, and J. B. Keiper.  1999.  An inexpensive collapsible pyramidal emergence trap for the assessment of wetland insect populations.  Proc. Papers Mosq. Vector Control Assoc. Calif. 67: 15-17.

 

29.    Walton, W. E., K. Chan, L. H. Gould, and J. B. Keiper.  1999.  Mosquito production from three vegetation management practices for constructed treatment wetlands: Preliminary findings.  Proc. Papers Mosq. Vector Control Assoc. Calif. 67: 18-21.

 

28.    Workman, P. D. and W. E. Walton.  1999.  Adult spatial emergence and larval behavior of the “tule mosquito” Culex erythrothorax.  Proc. Papers Mosq. Vector Control Assoc. Calif. 67: 77-80.

 

27.    Wirth, M. C., A. Delécluse, B. A. Federici, and W. E. Walton.  1998.  Variable cross-resistance to Cry 11B from Bacillus thuringiensis subsp. jegathesan in Culex quinquefasciatus (Diptera: Culicidae) resistant to single or multiple toxins of Bacillus thuringiensis subsp. israelensis.  Applied Environ. Microbiol. 64: 4174-4179.

 

26.    Offill, Y. A. and W. E. Walton.  1998.  A comparison of mosquito control by two larvivorous fishes, the stickleback (Gasterosteus aculeatus) and the mosquitofish (Gambusia affinis). Proc. Papers Mosq. Vector Control Assoc. Calif. 66: 11-14.

 

25.    Walton, W. E., P. D. Workman, L. A. Randall, J. A. Jiannino, and Y. A. Offill.  1998. Effectiveness of control measures against mosquitoes at a constructed wetland in southern California.  J. Vector Ecology 23: 149-160.

 

24.    Walton, W. E. and P. D Workman.  1998.  Effect of marsh design on the abundance of mosquitoes in experimental constructed wetlands in southern California. J. Am. Mosq. Control Assoc. 14: 95-107.

 

23.    Wirth, M. C., A. Delécluse, B. A. Federici, W. E. Walton, and G. P. Georghiou.  1998.  Resistance to Bacillus thuringiensis israelensis in Culex quinquefasciatus and prospects for management.  In:  Proceedings of VIIth International Colloquium on Invertebrate Pathology and Microbial Control.  IVth International Conference on Bacillus thuringiensis.  Sapporo, Japan.  Aug. 23-28, 1998.  pp. 292-294.

 

22.    Walton, W. E., M. C. Wirth, P. D. Workman, and L. A. Randall.  1997. Survival of two larvivorous fishes in a multipurpose constructed wetland in southern California.  Proc. Papers Mosq. Vector Control Assoc. Calif. 65: 51-57.

 

21.     Walton, W. E., J. A. Emiley, and N. G. Hairston, Jr.  1997.  Effect of prey size on the estimation of behavioral visual resolution of sunfish (Lepomis macrochirus).  Can. J. Fish. Aquat. Sci. 54: 2502-2508.

 

20.    Walton, W. E.,  P. D. Workman, and S. Pucko.  1996.  Efficacy of larvivorous fish against Culex spp. in experimental wetlands.  Proc. Papers Mosq. Vector Control Assoc. Calif. 64: 96-101.

 

19.     Sandgren, C. D. and W. E. Walton.  1995.  The influence of zooplankton herbivory on the biogeography of chrysophyte algae. In: “Chrysophyte Algae:  Ecology, Phylogeny and Development.”  (C. D. Sandgren, J. Smol, and J. Kristiansen, eds.).  Cambridge University Press, Cambridge, U.K. pp. 269-302.

 

18.     Walton, W. E., S. S. Easter, Jr., C. Malinoski, and N. G. Hairston, Jr.  1994.  Size-related change in the visual resolution of sunfish (Lepomis spp.).  Can. J. Fish. Aquat. Sci. 51: 2017-2026.

 

17.     Schreiber, E. T., W. E. Walton, and M. S. Mulla.  1993.  Mosquito utilization of resting sites at an urban residence in southern California.  Bull. Soc. Vector Ecol. 18: 152-159.

 

16.     Walton, W. E. and M. S. Mulla.  1992.  Impacts and fates of microbial pest control agents in the aquatic environment. In:  “Dispersal of Living Organisms into Aquatic Ecosystems.” (A. Rosenfield and R. Mann, eds.).  Maryland Sea Grant.  University of Maryland, College Park, MD. pp. 205-237. 

 

15.     Walton, W. E., N. G. Hairston, Jr., and J. K. Wetterer.  1992.  Growth-related constraints on diet selection by sunfish.  Ecology 73: 429-437.

 

14.     Walton, W. E., N. S. Tietze, and M. S. Mulla.  1991.  Consequences of tadpole shrimp predation on mayflies in some Californian ponds.  Freshwater Biology 24: 143-154.

 

13.     Walton, W. E., M. S. Mulla, M. J. Wargo, and S. L. Durso.  1991.  Efficacy of a microbial insecticide and larvivorous fish against Culex tarsalis in duck club ponds in southern California.  Proc. Papers Calif. Mosq. Vector Control Assoc. 58: 148-156.

 

12.     Walton, W. E. and M. S. Mulla.  1991.  Integrated control of Culex tarsalis larvae using Bacillus sphaericus and Gambusia affinis:  Effects on mosquitoes and nontarget organisms in field mesocosms.  Bull. Soc. Vector Ecol. 16: 203-221.

 

11.     Walton, W. E. and M. S. Mulla.  1990.  The influence of vegetation and mosquitofish on Culex tarsalis abundance in duck club ponds in southern California.  Proc. Papers Calif. Mosq. Vector Control Assoc. 57: 114-121.

        

10.     Walton, W. E., N. S. Tietze, and M. S. Mulla.  1990.  Ecology of Culex tarsalis (Diptera: Culicidae):  Factors influencing larval abundance in mesocosms in southern California.  J. Med. Entomol. 27: 57-67.

       

9.     Walton, W. E., H. A. Darwazeh, M.S. Mulla, and E. T. Schreiber.  1990.  Impact of selected synthetic pyrethroid and organophosphorus pesticides on the tadpole shrimp, Triops longicaudatus (LeConte) (Notostraca, Triopsidae).  Bull. Environ. Contam. Toxicol. 45: 62-68.

 

8.     Walton, W. E., E. T. Schreiber, and M. S. Mulla.  1990.  Distribution of Culex tarsalis larvae in a freshwater marsh in Orange County, California.  J. Amer. Mosq. Contr. Assoc. 6: 539-543.

 

7.     Schreiber, E. T., J. D. Chaney, M. S. Mulla, and W. E. Walton.  1989.  Bionomics of Culiseta particeps in southern California.  J. Amer. Mosq. Contr. Assoc. 5: 434-435.

 

6.     Walton, W. E.  1988.  The influence of zooplankton defenses on prey selection by young Chaoborus larvae.  J. Plankton Res. 10: 101-114.

 

5.     Hairston, N. G., Jr. and W. E. Walton.  1986.  Rapid evolution of a life history trait.  Proc. Nat. Acad. Sci. 83: 4831-4833.

 

4.     Walton, W. E.  1985.  Factors regulating the reproductive phenology of the copepod Onychodiaptomus birgei (Copepoda: Calanoida).  Limnol. Oceanogr. 30: 167-179.

 

3.     Hairston, N. G., Jr., K. T. Li, and W. E. Walton.  1983.  The causes and consequences of sex-specific mortality in a freshwater copepod.  Limnol. Oceanogr. 28: 935-947.

 

2.     Walton, W. E., S. Compton, J. D. Allan, and R. E. Daniels.  1982.  The effect of acid stress on survivorship and reproduction of Daphnia pulex (Crustacea: Cladocera).  Can. J. Zool. 60: 573-579. [N.B. Based on Schwartz et al. (1985. Limnol. Oceanogr. 30: 189-197), the species used in these studies was subsequently determined to be Daphnia obtusa.]

 

1.      Johns, D. M., W. J. Berry, and W. E. Walton.  1981.  International Study on Artemia:  Survival, growth and reproductive potential of the mysid, Mysidopsis bahia (Molenock), fed various strains of the brine shrimp, Artemia.  J. Exp. Marine Biol. Ecol. 53: 209-219.

          

        

Technical Reports:

 

55.    Walton, W.E. 2011. Mosquito Control Plan. Salton Sea Species Conservation Habitat Plan Draft EIS/EIR. Dept. of Water Resources and California Dept. of Fish and Game.

 

54.    Sickman, J.O., J. Tobin., D. Schlenk, C. Amrhein, W. E. Walton, and M. Anderson.  2010. Preliminary Results from Modeling of Se Bioaccumulation Potential in Proposed Species Conservation Habitats of the Salton Sea. Department of Water Resources. 65p.

 

53.    Nielsen, C., V. Kramer, D. Kwasney, D. Schnabel, M. Metzger, W. K. Reisen, W. E. Walton, et. al. 2008. Best Management Practices for Mosquito Control on California State Properties. California Department of Public Health. California Department of Public Health.  64pp. [PDF]

 

52.    Jensen, P. D. and W. E. Walton. 2007. Predatory Invertebrate Sampling In Kenai National Wildlife Refuge, 2006. U.S. Fish and Wildlife Service, Environmental Contaminants Division, Region 7. Anchorage, AK. 40 pp.

 

51.     Jensen, P. D. and W. E. Walton. 2006. Predatory Invertebrate Sampling In Kenai National Wildlife Refuge, 2005. U.S. Fish and Wildlife Service, Environmental Contaminants Division, Region 7. Anchorage, AK. 28 pp.

 

50.    Walton, W., J. Henke and D. Popko. 2006. Effects of Vegetation Patch Size and Native Larvivorous Fish on West Nile Vectors Inhabiting Constructed Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 32-35.

 

49.    Walton, W., and A. Van Dam. 2006. A Comparison of the Efficacy of Arroyo Chub and Msoquitofish as Biological Control Agents Against Mosquitoes. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 28-31.

 

48.    Wirth, M. C., W. E. Walton and B. A. Federici. 2005. Inheritance of Resistance and Cross-resistance in Culex quinquefasciatus Selected with Single and Multiple Toxins from Bacillus thuringiensis israelensis. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 29-32.

 

47.    Walton W., and A. Van Dam. 2005. Comparative Efficacy of the Arroyo Chub (Gila orcutti) and the Mosquitofish (Gambusia affinis) for Mosquito Control. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 26-29.

 

46.    Walton, W., D. A. Popko, A. Van Dam, J. Henke and A. Gordillo. 2005. Effectiveness of the Mosquitofish (Gambusia affinis) as a Biological Control Agent for Msoquitoes Inhabiting Constructed Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 20-25.

 

45.    Walton, W. E. 2005. Protocol for Mosquito Sampling for Mosquito Best Management Practices on State of California-Managed Wildlife Areas. Prepared for the Mosquito and Vector Control Association of California. 19 pp. [PDF]

 

44.    Wirth, M. C., W. E. Walton and B. A. Federici. 2004. Inheritance of Resistance and Cross-resistance in Culex quinquefasciatus Selected with Single and Multiple Toxins from Bacillus thuringiensis israelensis. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 35-37.

 

43.    Walton, W. E. and D. A. Popko. 2004. Effect of Vegetation Planting Designs on Mosquito Production and Water Quality at Constructed Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 31-34.

 

42.    Sanford, M. and W. E. Walton. 2002. The Effect of Ammonium Nitrogen Addition on Culex tarsalis in Constructed Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 61-62.

 

41.     Walton, W. E., M. Sanford, G. Peck, J. Jiannino and K. Chan.  2002. Effect of Enrichment with Labile Ammonimum Nitrogen on Mosquito Production at a Constructed Wetland. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 31-34.

 

40.    Wirth, M. C., W. E. Walton and B. A. Federici. 2002. Evaluation of Resistance Management Strategies for Bacillus sphaericus. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 17-18.

 

39.    Beckage, N., A. James, M. Mulla, W. Walton and M. Wirth. 2002. Hormonal Modulation of Mosquito Immunity to Parasites and Pathogens. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 12-16.

 

38.    Walton, W. E., G. Peck and K. Chan.  2001.  Factors Regulating Mosquito Production at a Renovated Constructed Treatment Wetland. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 41-45.

 

37.    Federici, B. A., H-W. Park, A. Delécluse, D. K. Bideshi, J. J. Johnson, M. C. Wirth, and W. E. Walton.  2001.  Optimization of Recombinant BTI/BS Mosquito Larvicides.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 20-22.

 

36.    Wirth. M. C., W. E. Walton, and B. A. Federici.  2001. Evaluation of Alternative Resistance Management Strategies for Bacillus sphaericus. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 23-24.

 

35.    Federici, B.A., D. K. Bideshi, B. Ge, S.-H. Hwang, J. J. Johnson, L. Kuzina, H-W. Park, M. C. Wirth, and W. E. Walton. 2000. Optimization of Recombinant BTI/BS Mosquito Larvicides. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources. Berkeley, CA. pp. 18-20.

 

34.    Wirth, M. C., W. E. Walton, and B. A. Federici.  2000.  Evaluation of Alternative Resistance Management Strategies for Bacillus sphaericus.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 21-22.

 

33.      Walton, W. E., K. Chan, and L. H. Gould.  2000.  Trophic Interactions and Mosquito Production at a Renovated Constructed Treatment Wetland.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 57-60.

 

32.    Walton, W. E.  2000.  Monitoring Program for Pathogen-Transmitting and Nuisance Adult Diptera Associated with the Stormwater BMP Retrofit Pilot Program in Caltrans District 7 and District 11. 72 pp (see Appendix E on p. 7 of the linked PDF).  [Copy of the report without plots of raw data.]

 

31.     Walton, W. E., J. B. Keiper, J. Jiannino, and M. Sanford.  2000.  Effects of Nitrogen Composition and Fish on Mosquito Populations in Constructed Treatment Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 54-56.

 

30.    Federici, B. A., D. Bideshi, B. Ge, S. Hwang, J. J. Johnson, L. Kuzina, H-W. Park, M. C. Wirth, and W. E. Walton.  1999.  Improvement of Bacterial Mosquito Larvicides. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 22-25.

 

29.    Wirth, M. C., W. E. Walton, B. A. Federici, and A. Delécluse.  1999.  Evaluation of Novel Cytolytic Toxins from Bacillus thuringiensis for Resistance Management.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 28-29.

 

28.    Chan, K. and W. E. Walton.  1999.  Spatial Differences and Development of Mosquitoes in a Constructed Treatment Wetland.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 72-74. 

 

27.    Walton, W. E., K. Chan, L. H. Gould, and J. Keiper.  1999.  Influence of Three Vegetation Management Practices on Mosquito Populations and Water Quality in Constructed Treatment Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 63-68. 

 

26.    CH2MHILL. 1999.  A Mosquito Control Strategy for the Tres Rios Demonstration Constructed Wetlands.  (W. E. Walton, ed.) CH2M Hill.  City of Phoenix Water Services Dept., Phoenix, AZ.  140 pp.

 

25.    Walton, W. E.  1999.  Report on Vector Control Background Monitoring for Caltrans Retrofit BMP Pilot Project Sites in District 7 and District 11.  Final Report. California Department of Transportation.  92 pp.

 

24.    Walton, W. E., M. C. Wirth, and B. A. Federici.  1998.  The Effect of the CytA Toxin Ratio on the Suppression of Resistance and Cross-Resistance to Mosquitocidal Bacillus Toxins.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 39-40. 

 

23.    Walton, W. E., L. Randall, J. Jiannino, and J. B. Keiper.  1998. Influence of Vegetation and Dewatering on Mosquito Populations at a Constructed Treatment Wetland.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA.  pp. 62-65.

 

22.    Walton, W. E., K. Chan, L. H. Gould, and L. Randall.  1998.  Effects of Vegetation Management Practices for Constructed Treatment Wetlands on Mosquito Populations.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 58-61.

 

21.     Walton, W. E.  1998.  Vector Control Background Monitoring Plan (Mosquitoes and Midges) for Caltrans Retrofit BMP Pilot Project Sites.  California Department of Transportation. pp. 1-15. [District 7 (Los Angeles County) monitoring plan] [District 11 (San Diego County) monitoring plan]

 

20.    Walton, W. E.  1998.  Review of the Scoping Study for Caltrans District 7 Retrofit Pilot Program: Issues Related To Mosquito Abatement.  California Department of  Transportation. 11 pp.

 

19.     Wirth, M. C., W. E. Walton, G. P. Georghiou, and B. A. Federici.  1997.  Evaluation of CytA’s Role in the Management of Bti Resistance. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 26-27. 

 

18.     Offill, Y. A. and W. E. Walton.  1997. Comparison of the Effectiveness of Two Larvivorous Fishes for Mosquito Control. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 74-77. 

 

17.     Walton, W. E., P. D. Workman, Y. A. Offill, L. A. Randall, and J. A. Jiannino.  1997.  Influence of Vegetation on Mosquito Production From a Constructed Wetland. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 55-60. 

 

16.     Wirth, M. C., W. E. Walton, G. P. Georghiou, and B. A. Federici.  1996.  Evaluation of CytA’s Role in the Management of Bti Resistance. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 63-64.

 

         15.     Workman, P. D. and W. E. Walton.  1996.  Biology and Spatial Distribution of Mosquitoes in Constructed Wetlands. Mosq. Control Research Annual Report. Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 73-76.

 

14.     Walton, W. E., M. C. Wirth, P. Workman, and L. Randall.  1996.  Ecology and Biological Control of Mosquitoes in a Constructed Wetland. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 46-51.

 

         13.     Walton, W. E. 1996. Progress Report: Demonstration Marsh Studies 1995. U. S. Department of the Interior, National Biological Service, Denver, CO. 16 pp.   

 

         12.     Walton, W. E., P. D. Workman, and S. Pucko.  1995.  Field Evaluation of Ovipositional Attractancy for Mosquitoes to Constructed Wetlands. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 71-72. 

        

11.     Walton, W. E., P. D. Workman, and S. Pucko.  1995.  Ecology and Control of Mosquitoes in Constructed Wetlands:  Effect of Marsh Design and the Efficacy of an Indigenous Fish.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 67-70.

 

10.     Walton, W. E. and P. D. Workman.  1995.  Dispersal of Culex Mosquitoes from a Constructed Wetland in Southern California.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 64-66.

 

9.      Tietze, N. S., L. L. Fry, W. E. Walton, and M. S. Mulla.  1989.  Studies of the Tadpole Shrimp, Triops longicaudatus, A Potential Biological Control Agent Against Mosquitoes.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 44-48.

 

8.      Walton, W. E., H. A. Darwazeh, M. S. Mulla, and E. T. Schreiber.  1989.  Reducing the Impact of the Predator Triops longicaudatus on Mosquito Larval Abundance. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. p. 47.

 

7.      Walton, W. E. and M. S. Mulla.  1988.  Ecology of Culex tarsalis:  Factors Influencing Larval Abundance.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 55-57.

 

6.      Tietze, N. S., M. S. Mulla, and W. E. Walton.  1988.  Tadpole Shrimp:  Potential Biological Control Agents for Mosquitoes.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 45-47.

 

5.      Walton, W. E. and M. S. Mulla.  1988.  Integrated Management Strategies Using Gambusia affinis and Bacillus sphaericus.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 43-45.

        

4.      Walton, W. E. and M. S. Mulla.  1988.  Seasonal Differences in Gambusia affinis Effectiveness for Biological Control:  Implications in Duck Club Ponds.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 40-43.

 

3.      Mulla, M. S., H. A. Darwazeh, L. E. Padua, H. Axelrod, J. D. Chaney, and W. E. Walton.  1988.  New Bacillus sphaericus and B. thuringiensis H-14 Formulations:  Pre- and Post-Hatch Treatments on Mosquito Larvae.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 32-35.

 

2.      Tietze, N. S., M. S. Mulla, and W. E. Walton.  1987.  Tadpole Shrimp for Biological Control of Mosquitoes.  Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 27-28.

        

1.       Walton, W. E., M. S. Mulla, and N. S. Tietze.  1987.  Ecology of Mosquito Larvae - A Study of Predator-Prey Interactions. Mosquito Control Research Annual Report.  Univ. of Calif., Div. of Agric. & Nat. Resources, Berkeley, CA. pp. 26-27.

 

 

Technical Publications:

 

4.      Walton, W. E., and B. F. Eldridge.  2009.  Mosquitoes: Integrated Pest Management Around the Home. Pest Notes, Publ. 7451. University of California, Division of Agriculture and Natural Resources, Davis, CA. 5 pp. [PDF]

 

3.      Walton, W., J. Thullen, and J. Sartoris.  2000.  Designing Mosquitoes Out of Constructed Treatment Wetlands? Mosquito Connection 5 (March 2000): 1-3.

 

2b.    Walton, W. E.  2008.  Asian Tiger Mosquito: Aedes albopictus.  Fact Sheet for the Center for Exotic Pest Research. 1 pp. (update/revision of publication 2)

 

2a.     Walton, W. E.  2003.  Asian Tiger Mosquito: Aedes albopictus.  Fact Sheet for the Center for Exotic Pest Research. 1 pp. (update/revision of publication 2)

 

2.      Walton, W. E.  1999.  Asian Tiger Mosquito: Aedes albopictus.  Fact Sheet for the Center for Exotic Pest Research. 2 pp.

 

1.       Walton, W. E.  1997.  The Tule Mosquito: Culex erythrothorax. Wing Beats 8: 8-11.

 

 

Semi-Technical Publications:

 

 1.    Walton, W.  2001.  Water Reclamation, Wetlands and Mosquitoes. The Buzz (Spring 2001): 1-2. (quarterly newsletter of the Department of Entomology)