62 



Mosquitoes 



the male and female face in opposite directions, with 

 their bodies in a horizontal plane, the female drag- 

 ging the male. The pairs flew upward for a while, 



Fig. ii. — Mandibles of non-insectivorous larva; (greatly enlarged): 

 a, Grabh a mia discolor (dorsal side); b, Ochlerotatus sollicitans (ventral side); 

 c, 0. serratus (dorsal side); d, Culiseta consobrinus (ventral side). 



then slowly drifted groundward. A pair plunging 

 accidentally into a group, threw this into wildest 

 confusion ; but the couple hastily extricated them 



