Genus Culicelsa. 377 



Genus CULICELSA. Felt. 



Bull. 79, Ent. 22, N. York St. Mus.,p. 391, 6 (1904). 



Professor Felt founded this genus on Culex taeniorhynchus, 

 Wiedemann. It is certainly a good one on scale structure. Felt's 

 characters of venation will not hold, but the genitalic characters 

 will augment those of the squamose nature of the wing, the only 

 way we can separate female and male from a true Culex. 



Head, thorax and abdominal scales as in Culex. Terminal 

 segment of J palp small and rounded, palpi composed of four 

 segments in 9 . 



Wings with short fork-cells ; scales denser and the lateral 

 vein scales rather broader than in Culex, especially in the $ , 

 median vein scales much denser, especially on second and third 

 long veins, but also on the others, those on second vein of more 

 than two rows. Petiole of first fork-cell of ? about half its 

 length. Terminal clasp segment of $ genitalia swollen at base ; 

 harpes with a peculiar retrose spine. 



Larva with short air tube, the comb composed of numerous 

 spatulate, spined scales. 



Prof. E. P. Felt includes aurifer of Coquillett here also. 



Culicelsa taeniorhynchus. Wiedemann (1821). 

 Culex taeniorhynchus. Wiedemann (1821). 



Dipt. Exot., p. 43 (1821) ; Mono. Culicid. I., p. 350 (1903), Theobald; Bull. 

 79, Ento. 22, N. York St. Mus., p. 301 (1904), Felt ; Mosq. Jam., p. 22 

 (1905), Theobald and Grabham; Mosq. N. Jersey, p. 216 (1905), Smith. 



Additional localities. — Connecticut (H. L. Yiereck) ; New York 

 (E. P. Felt); New Jersey (J. B. Smith); Fort Caswell, 

 N. Carolina ; Fort Apache, Arizona : Fort Howard, Maryland ; 

 Fort Morgan, Alaska ; Rock Island Arsenal, Illinois ; South 

 Carolina ; Florida ; Louisiana ; Fort Monroe, Yirginia ; Fort 

 Rodman, Massachusetts ; Fort Screven, Georgia ; Fort Wright, 

 Washington (Miss Ludlow). 



Observations. — There are some slight differences between the 

 larval characters given by J. B. Smith and those given by 

 Dr. Grabham, mainly in the form of the mentum (vide figures), 

 but Smith figures two forms of mentum ; it is thus evident that 

 this structure varies. The structure of the antennae also varies, 

 so that with these two differences and the differences in habits 



