WHAT WE SHOULD KNOW ABOUT MOSQUITO BIOLOGY 273 



Table of Adtdt American Disease-Carrying Mosquitoes 



1. Palpus of female as long as the beak (see fig. 55b) and the wings 

 brown with yellowish-white spots or markings, (Anopheles), 3. 

 Palpus of female shorter than beak (see fig. 55a) and wings with- 

 out definite spots or markings, (Aedes, Cvlex), ^. 



Fio. 65. — Types of mosquito mouthparts: a, Short palpus form; h. Long palpus form. 

 (Greene.) A :^ antenna, B^beak, P^ palpus. 



2. A dark brown species with two curved, silvery white lines (resem- 

 bling an inverted lyre) on top of body. Yellow fever mosquitO' 

 (fig. 57), Aedes argenteus. 



Fig. 56 (left.— Adult Culex solUcUans. Much enlarged. (Howard.) From U. S. Dept. 



Agr. Farmers' Bull. 155, fig. la. 



Fio 57 (right). — The yellow fever mosquito, Aedes argenteus: adult female. Much 



' enlarged. (Howard.) From U. S. Dept. Agr. Office of Secy., circ. 61, fig. 13. 



Pale reddish-brown species with top of abdomen much darker and 



with five yellowish- white bands across the top (for a Culex 



see fig. 56), Cidex quinquefasciatus, 



3, A dark brown species with a vein near the base of the wing 



yellowish-white and this vein having three distinct dark spots, 



Anopheles crucians. 



