Immature Stages of Chaoborus borealis Cook (Diptera: Culicidae)

• Published in: The Canadian Entomologist
• Main Author: Smith, B. C.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 1960
• Subjects: Insect Science; Molecular Biology; Physiology; Ecology, Evolution, Behavior and Systematics; Structural Biology; Churchill
• Online Access: http://dx.doi.org/10.4039/ent92396-5; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0008347X00073880

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 .