J. R. MALLOCH 183 



veiy fine hairs on inner margins of i)rocesses, the apical half of each process 

 with short bristly hairs on its inner half. Normal bristling of tibiae as fol- 

 lows: fore tibia, one antero-dorsal, two posterior; mid tibia, one antero- 

 ventral, one antero-dorsal, one postero-dorsal and two or three posterior; 

 hind tibia, two aiitero-ventral, two antero-dorsal and two postero-dorsal. 

 Costal setulae not longer than diameter of costal vein; costal thorn as long 

 as inner cross-vein. 



Female. — Differs from the male in having the eyes separated by over 

 one-third of the head-width; the interfrontalia usually with a few weak hairs 

 near where the cruciate bri.stles of other genera occin-, and the second, third 

 and fourth fore tarsal joints slightly but distinctly dilated. 

 Length, G.75 to 7.5 mm. 



Typc—d"; Urbana, Illinois, March 11, 1018, [Illinois]. Allo- 

 type. — 9 ; topotypical. Paralijpes. — From same locality as type, 

 March 16, 17, and 18, 1918; fifteen specimens, taken by T. H. 

 Prison and the writer at Augerville woods; one male, March 3, 

 1918, Brownfield woods, (T. H. Frison) ; one male. Homer, Illinois, 

 March 21, 1909; one male, Plummer's Island, ^Maryland, Apiil 7, 

 1912, (W. L. McAtee). 

 Eremomyioides similis sp. n. 



Male and fema'e. — Similar in color to the preceding species. 

 Male. — Differs from fuscipes in having the second antenna! joint trans- 

 verse at apex on inner side, not slightly produced centrally, so that tlie thii'd 

 joint is longer than the greatest length of second; the costa with the setulae 

 more widely placed and as long as or longer than (lianiet(>r of costal vein. 



/fp„,rt/p__Differs from the female of fiiscipe.'< as does the male, and. in 

 addition, the second, third and foiu'th fore tarsal joints are much more <lis- 

 tinctly broadened, the fourth being less than twice as long as its greatest 

 width. 



Length, 6 to 7.5 mm. 



Type.— 9; Tuscola, Illinois, March 29, 1918, taken by the 

 writer alongside the Illinois Central Railroad just north of the 

 depot, [Illinois]. Allotype.— &; Urbana, Illinois, Cottonwood 

 Grove, April 16, 1915, (J. R. Malloch). Paratype.^.— Two speci- 

 mens, same data as type; one specimen, Dane County, Wisconsin, 

 April 10, 1900, (W. 8. Marshall); Champaij^n, Illinois, March 29, 

 1919, (T. H. Frison). 



PROSALPIA Pokorny 

 This genus is not synonymous with Eriphia; the latt(>r belongs 

 to the sul)family Phaoniinae. Both of the American species 

 known to me, and also areUilo Walker, are distinguished from 



TKANS. .\M. KNT. SOC, XIAI. 



