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Immature Stages of Chaoborus borealis Cook (Diptera: Culicidae)

Published online by Cambridge University Press:  31 May 2012

B. C. Smith
B. C. Smith
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
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Extract

The immature stages and adults of Chaoborus borealis Cook were collected near Churchill, Manitoba, in 1949 and 1950 in investigations on the natural control of biting flies (James, 1953; James and Smith, 1958). Cook (1956) described the adult and the fourth-instar larva in his revision of the Nearctic Chaoborinae, and noted the similarity between the fourth-instar larva and that of C. flavicans (Mg.). This paper contains descriptions of the egg, the first-, second-, and fourth-instar larvae, and the pupa of C. borealis.

Type
Articles
Information
The Canadian Entomologist , Volume 92 , Issue 5 , May 1960 , pp. 396 - 400
Copyright
Copyright © Entomological Society of Canada 1960

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References

Cook, E. F. 1956. The Nearctic Chaoborinae. Univ. Minnesota Agr. Exp. Sta. Tech. Bull. 218.Google Scholar
James, H. G. 1953. Notes on a preliminary survey of natural control of biting flies (Diptera: Culicidae, Tabanidae) at Churchill, Manitoba. 32nd and 33rd Repts. Quebec Soc. for Protection of Plants, 1950–51, pp. 119–121.Google Scholar
James, H. G., and Smith, B. C.. 1958. Observations on three species of Chaoborus Licht. (Diptera: Culicidae) at Churchill, Manitoba. Mosquito News 18 (3): 242–248.Google Scholar
Johannsen, O. A. 1934. Aquatic Diptera: Part I. Nemocera, exclusive of Chironomidae and Ceratopogonidae. Cornell Univ. Agr. Expt. Sta. Memoir 164.Google Scholar