AND PUPAL STAGES OF A NEW MOSQUITO. 



side towards the apex. Claspettes (harpagoiies) large, rather 

 more than half the length of the side-pieces, each with a conspi- 

 cuous, attenuated, membranous foot-like aiipendage. iEdceagus 

 (unci) separate distally, without serrations or teeth. 



Text-figure 1. 



Male li3rpopygium of Ochlerotattis Imirei, sp. n, X 120. 

 (Hairs of portion of right side-piece omitted.) 



Larva (text-fig. 2). — Relatively stout, about 7 mm. in length. 

 Head rounded, slightly narrowed before the eyes ; antennae cylin- 

 drical, sparsely covered with minute spines and bearing four or 

 five longer spines at the apex; antennal tuft small, centrally 

 situated, composed of four simple hairs arising from a common 

 stem. Dorsal bairs not feathered, compcund, the anterior pair 

 each composed of four hairs, the small median of four and the 

 posterior of five or six : ante-antennal tuft formed of four to six 

 hairs. Mental plate triangular in shape, armed with from 12-14 

 teeth on each side ; the terminal tooth longer and broader than 

 the rest, the apical lateral teeth elongate and somewhat crowded 



