No. 64] DIPTER A or CONXECTICrT: TAXONOMY 301 



outer chirk rino- narrow and subterminal in position, the extreme tip 

 3-ellow. AVing- {Fig. 34. A). Abdomen yellow, narrowly maririned 

 laterally with brownish black; a more or less distinct brown crossband 

 just beyond midlenoth of each segment; hypoi)ygium pale. Mal(> 

 hypopygium (Fig. 34, H) Avith dististyles distinct: gonapopliyses 

 with a brush of setae at inner apical angle. $. L. 30-16 mm.;" w. 

 13 - 18 mm. Like nuiny other species in the subgenus, the present 

 species shows great variation in size. 



(Apr.-June; Aug., Sept.) Out., Que., N. B., Me., N. H., Vt., Ma.ss., N. Y., 

 westw. to Man., Mich., 111., Wise, Minn., Mo. and Alta., southw. to N. C, S. C, 

 Fla. and Miss. 



L. (Lhnonia) fallax (Johns.) 



1909. Limnoh'/a fallax Johnson; Proc. Boston Soc Xat. Hist.. 34: 1:25. 



Fig.— Alexander, Cfls. N. Y., 1, pi. iZ, fig. 21 (wing) ; 1919. 



Pronotum and mesonotum narrowly ])ale medially, with a sub- 

 median brown vitta on either side, the dark strii)e.s gradually divej-g- 

 ing behind, leaving the scutellum and mediotergite chiefly j)ale: 

 pleura yellow. The number of brown dots in cell R ranges from 

 three to about twelve, i . L. about 7-7.5 unn. ; av. 8-8.5 mm. 9 . L. 

 8-9 mm.; w. 9-10 mm. 



(May-July) N. Y., N. J., Pa., \'a., westw. to 111., Mich., ]\Io. and Okla.. southw. 

 to Tenn. and N. C. 



L. (Z///;(9/*/V0 fusca Meig. (Fig. 34, 1). 



1804. Lhnonia fusca Meigen ; Klass.. 1:54. 



1856. Lhnnohia tat'pis Walker; Ins. Saimdersiana. I)ii)t.. 3:300. 



1859. Dicranonnjia puhipennis Osten Sacken ; Proc. Acad. Xat. Sci. 



Phdadelphia, 1859:211. 

 1863. lAmnohia p Hip emi i s Fgger; Verb. zooL. bot. Ges. AVien. 



13 : 1108. 



Figs.— Osten Sacken, Mon. Dipt. X. .■\mer., 4, pi. 1, fig. 2 (wing); 1809. 

 Alexander, Cfls. N. Y., 1. pi. 31, fig. 28 (.wing) ; 1919. 



General coloration dark brown, including antennae and halteres. 

 Legs brown, the femora more yellowish basally. Wings tinged with 

 l)rown, stigma darker; jSci encling near two-thirds the length of Rs, 

 'Sco at its tip. Male hypopygium (Fig. 34,1) : dorsal di.stistyle pres- 

 ent; rostral spines two, abnormally three. S. I^. 5.5-6 mm.; w. 

 6-7 mm. 9. L. 6-6.5 mm.; w. 7-8 mm. 



(June-Sept.) Ont., Que., N. B., Me., N. H., Vt., Alass., N. Y.. Pa., westw. to 

 Mich., southw. to S. C, Ga. and Tenn. (Eurasia). Near streams and in open gorges. 



Connecticut— Cornwall Bridge, Aug. 19, 1931 (C. P. A.); E. Hartland, Sept. 11, 

 1928 (C. P. A.); Hartland, June 9, 1929 (C. P. A.) ; Kent Falls. Mav 30-31, 1931, 

 Julv 23-24, 1931 (C. P. A.): Norfolk, Mav 31, 1931, June 12, 1931, July 24, 1931, 

 Sept. 6, 1928 (C P.- A., G. C. C.) ; Riverton, May 30, 1931. Sept. 11, 1928 (C. P. A.) ; 

 Stafford Springs, June 14. 1933 (C. P. A.); Union, June 14. 1933 (C. P.A.); W. 

 Granby, June 8, 1929 (C. P. A.) ; Winsted, June 9, 1929 (C. P.A.), Sept. 5, 1928 

 (G. C.C). 



