252 



ORDER DIPTERA 



Fig. 196. — Resting positions of Culex (at left) and Anopheles (at right) — 

 enlarged. (Redrawn from a rough sketch published in the British Medical 

 Journal.) (From Howard, Div. Ent., U. S. Dept. Ag.) 



Fig. 197. — Yellow-fever mosquito (5^effom!;ja /a.scioia) : ^.niale; B, 

 female. (After Howard.) 



