335 



4- JOHANNSENOMYIA AI^BARIA Coqilillett 



Ceratopogon olbariii^ Coquillett, Proc. Acad. Nat. Sci. Phil., 1895, p. 308. 

 Johannscniella nwgnipennis Johauusen, Bull. 124, N. Y. State Mus., 1908, p. 268. 

 Johannseniella albaria (Coquillett) Malloch, Bull. 111. State Lab. Nat. Hist., Vol. 

 10, p. 228. 



In addition to Algonquin, Urbana, and Havana, Illinois localities 

 already recorded, specimens of this species have been added to the 

 Laboratory collection this vear (1914) from the following localities, 

 also in Illinois : Muncie, May and July, Monticello, June, and Sum- 

 ner, August 2. 



Females only have been taken, and no information as to the habits 

 of the adult has been obtained. 



5. JOHANNSENOMYIA FLAVIDULA Malloch 



Johannseniella flavidula Malloch, Bull. Til. State Lab. Nat. Hist., Vol. 10, Art. IV. 

 (1914), p. 230. 



Havana and Algonquin are the localities already recorded for this 

 species, and Mr. Hart and the writer took large numbers of the pupae 

 from the Big Muddy River near Grand Tower, III, in April 19 14, 

 from which both sexes were reared. 



6. JOHANNSENOMYIA POLITA Coquillctt 



Ceratopogon politvs Coquillett, Proc. U. S. Nat. Mus., Vol. 23, 1901, p. 606. 

 Johannseniella polita (Coquillett) Malloch, Bull. 111. State Lab. Nat. Hist., Vol. 

 10, p. 227. 



Female. — Glossy black. Legs brownish black, apices of tibije paler, 

 tarsi whitish yellow. Knobs of halteres whitish yellow. 



Eyes narrowly separated ; antenna short, barely as long as head 

 and thorax together. Mesonotum with the discal hairs rather long, 

 those on center confined to the normal three lines ; the setulose hairs in 

 front of wing-base and on margin of scutellum very long. Legs not 

 noticeably thickened nor elongated ; basal joint of hind tarsus not half 

 as long as hind tibia and equal in length to the next three joints com- 

 bined; fifth tarsal joint unspined ; fore and mid tarsi with the claws 

 subequal, hind pair with the inner four times as long as the outer. 

 Third vein to two thirds the wing-length; first vein to middle of third ; 

 media forking at cross vein, the base of the posterior branch indis- 

 tinct ; cubitus forking below cross vein. 



Length, 1.5 mm. 



I have not seen this species from Illinois, the only example I have 

 being a female submitted bv Prof. O. A. Johannsen, taken at Ithaca, 

 N. Y. 



