PUBLICATIONS OF WILLIAM
E. WALTON
Scientific Publications:
132. Walton,
W. E. 2019. Constructed wetlands still produce mosquitoes… Proc. Papers Mosq. Vector Control
Assoc. Calif.: In press.
131. Walton,
W. E., and C. M. Barker. 2019. Pacific Southwest Center of Excellence in
Vector-Borne Diseases. Proc. Papers Mosq. Vector Control
Assoc. Calif. 87: In press. (Extended Abstract)
130. Goldmann, A., M. Doyle and W. E. Walton. 2019. Bromeliads
as Aedes
breeding habitat in the San Gabriel Valley. Proc. Papers Mosq. Vector Control
Assoc. Calif. 87: In press. (Extended Abstract)
129. Walton,
W. E. 2019. 2019 AMCA Presidential Address: The times they are a-changin’. Journal of the American
Mosquito Control Association, 35(2):155–163.
128. Popko, D. A., B. Mullens, B., E. Huynh,
J. Henke and W. E. Walton. Attractive toxic sugar bait stations for control of Culex quinquefasciatus.
Proc. Papers Mosq. Vector Control
Assoc. Calif. 86: 66.
(Extended Abstract)
127. Popko, D. A., J. Henke, B. A. Mullens and W. E. Walton. 2018. Evaluation of two entomopathogenic fungi for control of Culex quinquefasciatus (Diptera:
Culicidae) in underground storm drains in the
Coachella Valley, California, United States. Journal of Medical Entomology
55(3): 654–665. doi: 10.1093/jme/tjx233
126. Olson,
B. W., J. A. Henke, J. Buettner, M. C. Ball, C. Reis
and W. E. Walton. 2018. Impact of management practices on mosquito abundance in
wetlands managed for wildlife. Proc.
Papers Mosq. Vector
Control Assoc. Calif.: 86: 136-140.
125. Barker,
C. M., W. E. Walton and P. W. Atkinson. 2018. Update from the Pacific Southwest
Center of Excellence in Vector-Borne Diseases. Proc. Papers Mosq. Vector Control Assoc.
Calif.: 86: 133 (Abstract).
124. Why,
A. M., D.-H. Choe and W. E. Walton. 2017. Ovipositional
responses of Culex tarsalis to fish-associated semiochemicals in laboratory
bioassays. Proc. Papers Mosq. Vector Control
Assoc. Calif. 85: 92-93.
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.
(Extended Abstract)
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,
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.
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
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,
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.
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.
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.
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.
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.
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
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
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
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
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.
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
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
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.).
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.).
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.,
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.
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
52. Jensen,
P. D. and W. E. Walton. 2007. Predatory Invertebrate Sampling In Kenai National
Wildlife Refuge, 2006.
51. Jensen,
P. D. and W. E. Walton. 2006. Predatory Invertebrate Sampling In Kenai National
Wildlife Refuge, 2005.
50. Walton,
W., J. Henke and D. Popko. 2006. Effects of
Vegetation Patch Size and Native Larvivorous Fish on
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.
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.
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.
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.
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
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.
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.
42.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
28. Chan,
K. and W. E. Walton. 1999. Spatial Differences and Development of
Mosquitoes in a Constructed Treatment Wetland.
Mosquito Control Research Annual Report.
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.
26. CH2MHILL.
1999. A Mosquito Control Strategy for
the Tres Rios Demonstration Constructed
Wetlands. (W. E. Walton, ed.) CH2M
Hill. City of
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.
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.
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.
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.
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.
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.
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.
15. Workman, P. D. and W. E. Walton. 1996.
Biology and Spatial Distribution of Mosquitoes in Constructed Wetlands. Mosq. Control Research Annual Report.
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.
13. Walton, W. E. 1996.
Progress Report: Demonstration Marsh Studies 1995.
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.
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.
10. Walton,
W. E. and P. D. Workman. 1995. Dispersal of Culex Mosquitoes from a
Constructed Wetland in
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.
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.
7. Walton,
W. E. and M. S. Mulla. 1988.
Ecology of Culex tarsalis: Factors Influencing Larval Abundance. Mosquito Control Research Annual Report.
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.
5. Walton,
W. E. and M. S. Mulla. 1988.
Integrated Management Strategies Using Gambusia affinis and Bacillus sphaericus. Mosquito Control Research Annual Report.
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.
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.
2. Tietze, N. S., M. S. Mulla, and
W. E. Walton. 1987. Tadpole Shrimp for Biological Control of
Mosquitoes. Mosquito Control Research
Annual Report.
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.
Technical
Publications:
4. Walton,
W. E., and B. F. Eldridge. 2009. Mosquitoes: Integrated
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
2a. Walton,
W. E. 2003. Asian Tiger Mosquito: Aedes albopictus. Fact Sheet for the Center for Exotic
2.
Walton, W. E. 1999.
Asian Tiger Mosquito: Aedes albopictus. Fact
Sheet for the Center for Exotic
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)