344 



fourth the length of third ; media forking beyond end of first vein ; 

 cubitus forking below end of first vein. 



Female. — Agrees in coloration with the male. Differs from the 

 male in having the antennae with short white hairs, the fifth tarsal 

 joint with a transverse pair of bristles near base on ventral surface, 

 and the tarsal claws on all legs very unequal, the outer one being about 

 three times as long as the inner. Otherwise as male. 



Length, 1.5 mm. 



Illinois localities : Urbana, Mahomet, and Monticello, June 30 to 

 August 6, 1914; swept from vegetation along banks of streams (C. A. 

 Hart and J. R. Malloch). 



Originally described from the District of Columbia. Male not 

 hitherto described. I have seen three females taken at Lafayette, Ind., 

 bv Professor Aldrich on June i, August 5 and 15, 19 14. 



7. Hartomyia diversa Coquillett 



Ceratopogon diversus Coqnillett, Proe. U. S. Nat. Mus., Vol. 23, 1901, p. 607. 

 Joliannseniella diversa Malloch, Bull. 111. State Lab. Nat. Hist., Vol. 10, Art. 4, 

 1914, p. 227. 



I have not seen this species. It is described by Coquillett as differ- 

 ing from antcnmiUs in having the abdomen green, and the legs entirely 

 light yellow. 



Originally described from New Jersey. 



8. Hartomyia paeudiventris, n. sp. 



Female. — Black, shining. Head, including antennre, palpi, and 

 proboscis, yellow. Abdomen yellowish, white in life. Legs entirely 

 yellow. Halteres white. 



Eyes contiguous, antenna as long as entire body. Hairs on thorax 

 weak. Abdomen ovate, very stout. Legs slender; basal joint of tarsi 

 longer than the remaining joints together; fifth joint without distin- 

 guishable ventral spines; outer tarsal claw very long and slender, the 

 inner particularly slender and about half as long as outer. Third vein 

 reaching beyond three fourths the wing length; first, to one fifth the 

 length of third ; media forking distinctly beyond apex of first vein ; 

 furcation of cubitus slightly proximad of that of media. 



Length, i mm. 



Type locality, Urbana, 111., May 20, 1914, swept from vegetation 

 along the bank of Salt Fork at the fair grounds (J. R. Malloch). 



