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FILE: <ZWOLFER.PUB> -- Publications of H. Zwölfer:

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Zwölfer, H. 1956. Zur Kenntnis der Parasiten des Tannentriebwicklers Choristoneura (Cacoecia) murinana Hb. Ztschr. f. angew. Ent. 39: 387-409.

Zwölfer, H. 1958. Observations on the parasite complex of Choristoneura (Cacoecia) murinana Hb. (Lepidoptera: Tortricidae). 10th Internatl. Cong. Ent. Proc. (1956) 4: 869-72.

Zwölfer, H. 1961. A comparative analysis of the parasite complexes of the European fir budworm, Choristoneura murinana (Hub.) and the North American spruce budworm, C. fumiferana (Clem.). Comm. Inst. Biol. Control, Tech. Bull. 1: 1-162.

Zwölfer, H. 1963. Untersuchungen über die Struktur von Parasitenkomplexen bei einigen Lepidopteren. Z. angew. Ent. 51: 346-57.

Zwölfer, H. 1964. Notes on the parasites of Swammerdamia lutarea Hw. and S. caesiella Hb. [Lep. Hyponomeutidae] in central Europe. Tech. Bull. Commonw. Inst. Biol. Contr. 4: 121-46.

Zwölfer, H. 1965. Preliminary list of phytophagous insects attacking wild Cynareae (Compositae) in Europe. Commonw. Inst. Biol. Contr. Tech. Bull. 1: 81-154.

Zwölfer, H. 1968. Some aspects of biological weed control in Europea and North America. Proc. 9th Brit. Weed Contr. Conf. p. 1147-56.

Zwölfer, H. 1969. Urophora siruna-seva (HG.) (Dipt.: Trypetidae), a potential insect for the biological control of Centaurea solstitialis L. in California. Tech. Bull. Connonw. Inst. Biol. Contr. 11: 105-54.

Zwölfer, H. 1971. The structure and effect of parasite complexes attacking phytophagous host insects, p. 405-18. In: P. J. den Boer & G. R. Gradwell (eds.), Dynamics of Populations. Center Agr. Publ. Doc., Wageningen.

Zwölfer, H. 1973. Competitive coexistence of phytophagous insects in the flower heads of Carduus nutans, p. 74-81. In: P. H. Dunn (ed.), Proceedings of the II International Symposium on Biological Control of Weeds, 1971, Rome, Italy.

Zwölfer, H. 1974. Competitive coexistence of phytophagous insects in the flower heads of Carduus nutans L. Commonw. Inst. Biol. Contr. Misc. Publ. 6: 74-80.

Zwölfer, H. 1988. Evolutionary and ecological relationships of the insect fauna of thistles. Annu. Rev. Ent. 33: 103-22.

Zwölfer, H. & P. Harris. 1971. Host specificity determination of insects for biological control of weeds. Annu. Rev. Ent. 16: 159-78.

Zwölfer, H. & M. Kraus. 1957. Biocoenotic studies on the parasites of two fir and two oak tortricids. Entomophaga 2: 173-96.

Zwölfer, H., M. A. Ghani & V. P. Rao. 1976. Foreign exploration and importation of natural enemies (p. 189-207). In: C. B. Huffaker & P. S. Messenger (eds.), Theory and Practice of Biological Control. Academic Press, New York. 788 p.