iv EXPLANATION OF PLATES 



Plate 15. Male Genitalia: (105) Culex factor. (106) Culex equivocator. (107) Culex 



stigmatosoma. (108) Culex eumimetes. (109) Culex mollis. (110) 



Culex declarator. (Ill) Culex revocator. (112) Culex interrogator. 



(113) Culex proclamator. 

 Plate 16. Male Genitalia: (114) Culex revelator. (115) Culex erythrothorax. (116) 



Culex microsquamosus. (117) Culex toweri. (118) Culex lamentator. 



(119) Culex janitor. (120) Culex carmodyae. 

 Plate 17. Male Genitalia: (121) Culex salinarius. (122) The same, basal parts 



enlarged. (123) Culex pipiens. (124) Culex restuans, basal parts 



enlarged. (125) Culex tarsalis. (126) Culex coronator. (127) Culex 



corniger. 

 Plate 18. Male Genitalia: (128) Culex quinquefasciatus. (129) The same, basal 



parts enlarged. (130) Culex quinquefasciatus dipseticus, basal parts 



enlarged. (131) Culex comitatus, basal parts enlarged. (132) Culex 



proximus. (133) The same, basal parts enlarged. (134) Culex sphinx. 

 Plate 19. Male Genitalia: (135) Culex similis. (136) The same, basal parts 



enlarged. (137) Culex dyari. (138) Culex pipiens. (139) The same, 



basal parts enlarged. (140) Culex melanurus. 

 Plate 20. Male Genitalia: (141) Psorophora virescens. (142) Psorophora howardii. 



(143) Psorophora ciliata. (144) Psorophora cilipes. (145) Psorophora 



sasva. (146) Psorophora sayi. 

 Plate 21. Male Genitalia: (147) Psorophora horridus. (148) Psorophora pazosi. 



(149) Psorophora posticatus. (150) Psorophora discolor. (151) Psoro- 

 phora pygmaea. (152) Psorophora insularius. 

 Plate 22. Male Genitalia: (153) Psorophora floridense. (154) Psorophora jamai- 



censis. (155) Psorophora toltecum. (156) Psorophora Columbia?. (157) 



Psorophora cingulatus. (158) Psorophora cyanescens. 

 Plate 23. Male Genitalia: (159) Psorophora haruspicus. (160) Psorophora inline. 



(161) Psorophora signipennis. (162) Stegoconops equinus. (163) 



Stegoconops albomaculatus. (164) Stegoconops lucifer. 

 Plate 24. Male Genitalia: (165) Stegoconops capricornii. (166) Aedes trichurus. 



(167) Aedes diantaus. (168) Aedes impiger. (169) Aedes pertinax. 



(170) Aedes bimaculatus. 

 Plate 25. Male Genitalia: (171) Aedes abfitchii. (172) Aedes abfitchii. (173) Aedes 



fitchii. (174) Aedes curriei. (175) Aedes stimulans. (176) Aedes 



fletcheri. 

 Plate 26. Male Genitalia: (177) Aedes auroides. (178) Aedes campestris. (179) 



Aedes riparius. (180) Aedes hirsuteron. (181) Aedes lazarensis. (182) 



Aedes pullatus. 

 Plate 27. Male Genitalia: (183) Aedes aestivalis. (184) Aedes cantator. (185) 



Aedes spencerii. (186) Aedes idahoensis. (187) Aedes grossbecki. 



(188) Aedes squamiger. 

 Plate 28. Male Genitalia: (189) Aedes curriei. (190) Aedes onondagensis quaylei. 



(191) Aedes euedes. (192) Aedes atlanticus. (193) Aedes canadensis. 



(194) Aedes serratus. 

 Plate 29. Male Genitalia: (195) Aedes abserratus. (196) Aedes aurifer. (197) 



Aedes tortilis. (198) Aedes cuneatus. (199) Aedes scapularis. (200) 



Aedes infirmatus. 

 Plate 30. Male Genitalia: (201) Aedes trivittatus. (202) Aedes scapularis. (203) 



Aedes plutocraticus. (204) Aedes niger. (205) Aedes tasniorhynchus. 



(206) Aedes mediovittata. 

 Plate 31. Male Genitalia: (207) Aedes triseriatus. (208) Aedes dupreei. (209) 



Aedes varipalpus. (210) Aedes atropalpus. (211) Aedes sollicitans. 



(212) Aedes mitchellse. 



