No. 64] DIPTERA OF COXNECTlCrT : TAXONOMY 397 



4(). A). $. L. 9-11 mm.; w. 8-11.5 mm. 9. L. 11-14 mm.: w. 11-13 

 mm. 



(Late Alay-Sept.) Ont., Que, N. B, Me, N. H, Vt, Mass, R. I, X. \.. X. J, 

 Pa, westw. to III, Mich, and Wise, southw. to N. C. 



Connecticut.— Danbury, June 15, 1909 (C. W.J.); East River. Sept. 1910 (Ely); 

 New Haven, June 11. 1914 (collector?) ; Rowayton, May 27, 1913 (collector?) ; Tvler 

 Lake, June 13, 1931 (C. P. A.). 



L. {Fhylidorea) adustoides Alex. 



1927. Limnopkila {PhqVidorea) adustoides Alexaiuler; Bull, liiook- 

 lyn Eiit. Soc, 22 : 63-64. 



Belongs to the similis group and subgroup. Antennal tiagellum 

 light yellow. Wings strongly suffused with yellow, the base and costal 

 region clearer yellow to very pale brown ; wing-tip broadly darkened. 

 Abdomen browniish yellow; hypopygium dark ferruginous. Male 

 hypopygium with aedeagus black, slender, subecpial t(» oi- longer than 

 the basal gonapophyses. S . L. 8-11 mm.: w. 9-11 mm. 9 . L. 10-14 

 mm.; av. lU.5-13 mm. 



(June, July) !Mass.. westw. to Ind. and Tenn. 



L. {Phylidorea) auripennis Alex. 



1926. Lhnnophila {rJn/JUorea) auripemih Alexander: Bull, lirook- 



lyn Ent. Soc. 2i : 113-114. 



Fig. — Alexander, Psyche, 18, pi. 16, fig. 9 (hyp.); 1911; as adusia. 



Belongs to the sini'dh group and subgroup. (leneral coloratiou 

 ferruginous-yellow. Antennal flagellum yellow. AVings strongly 

 tinged with yellow, the costal margin more saturated: wing-tij) and 

 cord vaguely .seauied with darker. Abdomen ferruginous-yellow, in 

 male without a dark subterminal ring. Male hypoi)ygimn with the 

 aedeagus slender, gently curved at ajiex. a trifle longer than the gon- 

 apophyses. $. L. 8-9 nun.: w. 8.5-9.5 nun. $. U 10.5-11.5 mm.: 

 w. 10-11 mm. 



(Late Mav-Aug.) Ont., Que., Me., X. H., Vt., Mass., N. Y., westw. to 111. and 

 Mich. 



Connecticut.— Storrs (C. S. C): Union, Aug. 17-18, 1928 (C. F. C). 



L. (/^%//V/c>/'^ff) caudif era Alex. (Fig. 46, B). 



1927. Lhnnophila {Phi/Vidorea) cawHfera Alexandev: Bull. Brooklyn 



Ent. Soc. 22: ill. 



Belongs to the odusfa group. Closely allied and generally suu- 

 ilar to adtisfa, differing notably in the structure of the male hypopyg- 

 imn. General coloration of mesonotum shiny brown. Legs with fem- 

 ora bright yellow, passing into brown, the tips dark brown. Wmgs 

 with a faint" vellowish tinge, the costal and a|)ical i)ortions mfuscated ; 

 a conspicuous seam along vein Ovu with a narrower seam along cord. 

 Abdomen obscure brownish vellow, with a dark brown subtermnia 

 ring (5). Male hvpopvgium (Fig. 46, B): basistyle with dorsal 

 lobe provided with long yellow setae : outer dististyle very broad and 



