PHLEBOTOMINJE. 199 



size, affords a further point ou whicli to separate or substantiate 

 species, but they must not be regarded as of more than specific 

 value. Dr. Annandale has also discovered in Psijchoda hemjalensis 

 and nignjjennis a previously overlooked peculiarity in the shape 

 of a pair of very small bifid chsetse on each joint (except the last) 

 of the flagellum, having the appearance of two pairs of cow's horns. 

 They may, quite possibly, be present in some other species, but 

 require very minute examination, being almost transparent. 



Subfamily PHLEBOTOMINiE. 



The principal characteristics of this subfamily are : — (1) the 

 absence of the 7th longitudinal vein, or its reduction to extreme 

 shortness, so much so as to be easily overlooked ; when present it 

 runs direct to the wing border, no part of it being parallel to 

 either the 6th longitudinal or the margin of the wing; (2) the 

 forking of the 2nd longitudinal vein, which takes place usually at 

 or very little before the middle of the wing, in contradistinction 

 to the PsTCHODiN.E, in which it forks quite near the base of the 

 wing. Moreover, the prongs of the upper branch of the 2nd 

 longitudinal vein always originate beyond the middle of the wing. 



Characters of secondary value are the structure of the male 

 genitalia, which possess three pairs of clasping appendages. In 

 the female no liorny ovipositor can be seen. 



The Phleboxomin^ are comparatively easily separated from 

 the PsTcnoDiN^, not only by their two primary distinctions, but 

 by their general appearance, which is always more elongate and 

 slender, the wings being much narrower and the legs considerably 

 longer than in the latter subfamily. They have a tolerably close 

 resemblance to the Culicid.e, as contrasted with the short, robust, 

 squat, short-legged, broad-winged Psychodin.e. 



Genus PHLEBOTOMUS, liond. 



Fkbotomus, Rondani, Mem. prima Ditt. Ital. p. 12 (1840). 

 Cyniphes, G. Costa, Ann. Accad. Aspir. Natural, i, p. 4 (1843). 

 Hebotomus, Rondani, Ann. Soc. Ent. France, (2) i, p. 264 (1843). 

 Hcemasson, Loew, Stett. Ent. Zeit. v, p. 115 (1844). 



Genotype, Bihio papatasii, Scop. 



Head small and rather elongate, prominent, somewhat flattened; 

 the underside produced into a blunt snout, from which issues the 

 fairly prominent proboscis, narrow, cylindrical, and hairy, capable 

 of piercing the skin of man and animals.* Palpi considerably 



* Newsteacl fully describes the luouth-parts (Bull. Entom. Eeseaich, ii, 

 p. 59, 1911); and both lie and Grassi describe the internal anatomy of P. 

 pajpatasii, Scop., rather fully. 



