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



37 



stem (CI-S) and a distal f lament (Cl-F). Characters of the claspettes are 

 generally clear-cut, reliable, and easy to use. 



Pupal Characters 



The pupae of both Culicines and Anophelines are comma-shaped and 

 resemble each other in many respects. The enlarged anterior portion or cephaJo- 

 thorax is composed of the head and thorax. The slender tail-like portion is the 

 eight-segmented abdomen which terminates in a pair of broad flattened plates 

 or paddles (Fig. 15A). 



The chief diagnostic characters used in the classification of pupae are to 

 be found in the abdominal chaetotaxy, the paddles, and the respiratory trum- 

 pets, particularly in their shape and the relative length of the closed tubular 

 portion, the meatus. To mount the pupa for examination, the cephalothorax 

 can be split on the mid-ventral line, spread open and mounted dorsal side 

 uppermost. 



15. Pupa of a mosquito. A, Culicine pupa (lateral view). 

 B, Respiratory trumpet of Anopheles. 



