Carpenter et al.: Mosquitoes of Southern U. S. 



155 



long as broad, cylindrical, curved, nearly truncate at apex, clothed with scales 

 and numerous long setae; basal and apical lobes absent. Dististyle (Ds) reticu- 

 lated, about three-fifths as long as basistyle, strongly inflated medially, tapering 

 distally, slender and curved near tip, terminating in a peg-like claw (Ds-C). 



LARVA. (Fig. 81). — Head broader than long. Antenna shorter than head, 

 spinose; antennal tuft multiple, barbed, inserted near middle of shaft, extend- 

 ing to tip. Head hairs: Preantennal (A), lower (B) and upper (C) multiple, 

 strongly barbed, inserted in a straight line; postclypeal (d) small, multiple; 

 siitural (e) usually single or double; trans-sutural (f) and supraorbital usually 

 double or triple. Upper lateral abdominal hairs multiple on segments I and II, 



Fig. 81. Larva of Psorophora confmnis (Lynch Arribalzaga). A, Terminal 

 segments. B, Comb scale. C, Pecten tooth. D, Head. 



