i8 N. J. Agricultural Experiment Station, Bulletin 348 



Table to Determine Species of Mosquitoes 



Series X in which the wings are spotted. 



Palpi uniformly dark brown. 

 Wings with 2 white spots on the front margin of the wing; last vein white 



with black ends Anopheles punctipennis Say. (p. 96) 



Wings with 4 distinct brown spots ; last vein wholly dark brown 



Anopheles quadrimaculatus Say. (p. 100) 

 Three small spots, middle of wing; abdomen spotted with brown and yel- 

 lowish white Psorophora discolor Coq. (p. 126) 



Palpi white marked at base of joints; last vein white marked with three 



black spots Anopheles crucians Wied. (p. 95) 



Palpi black with white tips. 

 Wings grayish with distinct white spot in middle ; thorax black with narrow 



white lines Orthopodomyia signifer Coq. (p. 132) 



Scries Y in which the wings are not spotted. 

 A. In which the feet are white or yellowish banded. 



I. The beak has a more or less distinct white band or ring at or near its 

 middle. 



a. The abdomen has a yellowish stripe down its middle, and sides of 

 thorax are white below a black edging 



Aedes sollicitans ^\\<i. (P-3i) 



b. The abdomen has no yellowish stripe. Sides of thorax are not white. 



1. A large blackish species with a narrow white band near the tip of 

 the femur ; the tibia white-spotted 



Psorophora columbiae D. & K. (p. 124) 



2. A large brown species with a lighter band near the tip of the 

 posterior tibia, the latter not spotted 



Mansonia perturbans Wlk. (p. 107) 



3. A smaller, blackish species, without markings on femur or 

 tibia Aedes taeniorhynchus Wied. (p. 35) 



II. The beak is without band or ring; uniform in color. 



a. The joints of the feet or tarsi are banded or ringed at base only. 



1. An extremely large, brownish black species. Legs fringed Avith 

 erect black scales Psorophora ciliata Fabr. (p. 120) 



2. A very large species with very scaly wings, the sides of the 

 thorax and bands of the abdomen and feet white 



Aedes grossbecki D. & K. (p. 128) 



3. Wings thickly clothed with mixed yellow and brown scales. 

 Thorax with broad, brown central stripe. First tarsal segment 

 of anterior legs not banded Aedes fitchii Felt. (p. 130) 



4. A small dark species with lightly scaled wings ; the white bands 

 of the feet narrow; those of the abdomen nearly divided in the 

 centre Acdcs slyvestris Theob. (p. 104; 



5. A small brown species with the hind tarsi wholly white 



Aedes niveitarsis Coq. (p. 130) 

 This species is held by H. D. & K. to be an abberation of. . .'. 



Aedes canadensis Theob. (p. 112') 



6. A good-sized brown species, with the bandings yellowish rather 



