Identification Keys 251 



Key to Pupae. 1 



1. Abdomen with a spine on the caudal margin of 



the lateral angle of each segment beyond the 

 3rd. Breathing tubes not over twice as long as 

 greatest width, squarely truncate at top, with 



sharp notch at inner side Anopheles. 



Abdomen unspined 2 



2. Paddles diverging 'widely, scarcely overlapping 



at base, a fringe of minute spines on inner 

 margin, continued in two or three rows 

 around the tip for a short distance on the 

 outer margin. Breathing tubes about eight 

 times as long as wide, constricted at or near 

 upper fourth, the apex flaring somewhat. 



Length about 15 mm Mcgarhinus. 



Paddles diverging but slightly at most, usually 

 overlapping well at base and inner margin, 

 the terminal hair or tuft present. Breathing 

 tubes never constricted near upper fourth. .3 



3. Paddles as broad as long. Terminal tuft min- 



ute. Pupa generally large (9 to 10 mm.), very 

 heavily chitinised. Hairs of head and thorax 



minute, never over two in a tuft 4 



Paddles longer than broad, terminal hair or hairs 

 generally well developed, if not, having the 

 hairs on head and thorax very long, or with 

 at least two well-developed tufts of two or 

 more branches 5 



4. All hairs on dorsal half of segment eight double, 



two double hairs on dorsum of segment 



seven. Psoropliora howarciii. 



All hairs but one on dorsal half of segment eight, 



single, five double hairs on the dorsal half of 



segment seven Psoropliora ciliata. 



1 For references to hairs, etc., see Fig. 54, page 25S. 



