No. 64] DiiTKRA OF Connecticut: TAXONOMY 421 



General coloration brown, tlie mesonotuiu and plciiia distinctly 

 gray pruinose. the praescutnni with fonr slifrhtly (hu-Uer brown stripes. 

 Antennae with basal sediments paler than the bhick flajrelluiu. Ver- 

 tical tubercle opaque. Femora obscure yellow, the tips narrowly 

 blackened on all legs. Wings with a brown tinge, the veins a little 

 seamed with brown; stigma darker. Abdomen dark biown. sparsely 

 pruinose. $. L. about 10 mm.; av. about 11 mm. 9. T.. about 1'2 

 mm.: w. about 11 mm. ^ 



(Late May, June) Mass., Ct., westw. to ^licii. and III., sontlnv. to \"a. and Tenn. 



Connecticut.— Avon Old Farms, Tune 15, 1929 (C.H. C); Salem, June 12, 1929 

 (W. E. B.). 



1 must regard this fly as being doubtfully distinct from fuluiiiiosa. 



H. {Erdocem) longicornis (Walk.) (Fig. 44, M). 



184n. Anisomero lon,()icoinis Walker: List I)ii)t. Vnit. .Mus., 1:82. 



Figs.— Alexander, Psvche, 19, pi. 13, fii^. 10 (wms,) : 1912. .\lexandcr. Cfls. X. 

 Y., 1. pi. 37, fig. 107 (wing) ; 1919. 



General coloration of thorax gray, the praescutum with three con- 

 spicuous dark brown stripes, the median one sometimes vaguelj^ split. 

 Antennae ( $ ) more than three times the entire body, the proximal 

 flagellar segments with microscopic spinulae: of $ short, 11-segniented. 

 Vertical tubercle very large, especially in $. Fore femora short. 

 Wings Avith ^0+3 and "^2 subequal. Abdomen brown, pruinose. Body 

 {$) with long pale setae. $. L. 10-11 mm.; w. 12-13 mm.: antenna. 

 35-40 mm. $ . L. about 10 mm. ; w. about 12 mm. 



(May-early July) Out., Que., Me., N. H., Mass., N. Y., westw. to Man., 111. and 

 la., southw. to Va. and N. C. 



Connecticut.— Oxford, May 21, 1904 (W. E. B.). 



H. {EHocera) spinosa (O. S.) (Fig. 44, N). 



1859. Art^henica spinosa O. S. : Proc. Acad. Xat. Sci. Philadelphia, 

 1859 : 244. 



Figs.— Osten Sacken, Mon. Dipt. X. Amer., 4, pi. 4, fig. 29 (hyp.) : 1869. Xeed- 

 ham, 23rd Kept. X. Y. St. Ent. for 1907, pi. 26, fig. 3 (wing) : 1908 (as longicornis). 

 Alexander, Cfls. N. Y., 1:850, fig. 125, F (ant. $), pi. ?>7, fig. 105 (wing): 1919. 



Mesonotum and pleura light gray, the disk of praescutum more 

 yellowish gray, with four distinct brown stripes. Antennae of male 

 with flagellar segments having small cog-like spinulae almost to tip; 

 antennae ($) short. Vertical tubercle very large, especially in ^. 

 Knobs of halteres dark brown. Femora yelloAv. the tips narrowly m- 

 fuscated to blackened. Wings with a grayish brown tinge, i)roduc^d 

 especially by broad dark seams to veins; R-:>yi nearly as long as R■^. 

 Abdominaltergites browni.sh black, narrowly yellowish laterally: hv- 

 popygium rusty brown ; ovipositor with long sclerotized valves. Body 

 \$) clothed with long, erect pale setae. $. L. 15-18 mm.: w. l(-20 

 mm. : antenna, 35-50 mm. $ . L. 25-28 mm. ; w. 18-20 mm. 

 r May- Aug.) Que.. Me., N. H., Vt., Mass., X. Y., westw. to 111., southw. to Pa. 

 Connecticut.— Riverton, June 8, 1929 (C. P. A.). 



