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American Midland Naturalist Monograph No. 3 



serving as a protective sheath, the labium guides and supports the enclosed 

 piercing rnouthparts during the feeding process. It never enters the wound, 

 however, but is bent out of the way until feeding is completed. 



^^^^-e^X-^^ 



Fig. 8. Heads and appendages of mosquitoes. A, Female Anopheles. 

 B, Male Anopheles. C, Female Culicine. D, Male Culicine. 



