Fig. 119 (upper left). — Psorophora cyanes- 

 cein. male genitalia. (After Matheson 1944.^ 



Fig. 120 ( upper right i . — Psorophora taripes, 

 male genitalia. ( After Matheson 1944.; 



Fig. 121 ( lower left * . — Psorophora confiti- 

 >iis. male genitalia. (After Matheson 1944.) 



Fig. 122 (lower right j. — Psorophora dis- 

 color, male genitalia. (After Matheson 1944.) 



Fig. 123 (left). — Psorophora horriJj. male geni- 

 talia. (After Roth 1945.) 



Fig. 124 (right). — Psorophora longipaJpis. male 

 genitalia. (After Roth 1945.) Abbreviations: C. dis- 

 tistyle; dp. claspette; M. mesosome; 5. basist>'le; /.VT, 

 ninth tirgitc; IXT-L. lateral lobe of ninth tergite; 

 /.\'i. ninth sternite; XS. tenth sternite. 



Key to Genera of CULICIDAE (Larvae) 

 1. Eighth segment witli .\ fla( spiraciil.ir plate, but no .lir 

 tube ( Fig. 1 26) Anopheles 



Highth segment with .in .lir tube (,l"ig. 1-^) 2 



2. Air tube short, with some of its sclerites at the apex 

 forming long stout spurlike processes (Fig. 128/4. 



26 



