54 INSECUTOR INSCITI^ MENSTRUUS 



Aedes alpinus Dyar & Knab, Proc. Ent. Soc. Wash., xi, 32, 1909. 

 Aedes alpinus Howard, Dyar & Knab, Mosq. No. & Cent, Am. & 



W. I., iii, 368, 1915. 

 Culex nigripes Henriksen & Lundbeck (in part not Zetterstdet), 



Meddelelser cm Greenland, xxii, 595, 1917. 



THE SPECIES OF CHOEROPORPA, A SUBGENUS 

 OF CULEX 



(Dipt era, Culicids) 

 By HARRISON G. DYAR 



Mrs. J. Bonne-Wepster left with me her more difficult slides 

 of Choeroporpa, which I have gone over with the following 

 result : 



The group seems to be well represented in Surinam, much 

 more abundantly than in Panama, according to the collections 

 which we have received from there. It extends also through- 

 out the Tropics and into the warmer temperate regions both in 

 North and South America. 



Culex (Choeroporpa) taeniopus Dyar & Knab. 



Culex taeniopus Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 100, 



1907. 

 Culex taeniopus Howard, Dyar & Knab, Mosq. N. & Cent. Am. 



& W. I., iii, 248, 1915. 

 Culex taeniopus Dyar, Ins. Ins. Mens., vi, 111, 1918. 



This species proves to be widely spread. Described from 

 Nicaragua, found in Panama, and Mrs. Bonne-Wepster has 

 bred it in Surinam and secured a male, showing the species to 

 belong to Choeroporpa. Full description of the structures will 

 appear elsewhere. 



Culex (Choeroporpa) anips Dyar. 



Culex anips Dyar, Ins. Ins. Mens., iv, 48, 1916. 



Culex (Melanoc onion) anips Dyar & Knab, Ins. Ins. Mens., v, 



180, 1917. 

 Culex (Choeroporpa) anips Dyar, Ins. Ins. Mens., vi, 104, 1918. 



The clasp-filament is thickly snout-shaped, with a crest of 

 rather long hairs on top ; the tip curves up in a sharp point, the 



