Xo. 64] DIPTERA OF CONNECTICUT : TAXONOMY 457 



Wings with a strong brown tinge, variegated with numerous white spots and 



dots ; size larger (w., $ , about 3.5 mm. or more) 9 



2. Femora with two brown rings; wings with about a score of large white 



spots, with additional smaller dots in all cells caloptera 



Femora with a single brown subterminal ring; wings with aljont a score of 

 large white spots but without additional pale dots in the cells needhami 



Erioptera {Mesocyphona) caloptera Saj^ (Fig. 52,1). 

 1823. EHojJtera caliptera Say; Journ. Acad. Nat. Sci. Vhila(]eli)hia 

 3 : 17. ^ ' 



1828. Einoftera caloptera Wiedemann; Aussereur. Zweifl. Ins., 1:23. 



Figs.— Osten S&cken, Mon. Dipt. N. Amer., 4, pi. 4, fig. 15 (hyp ) • 1869 Need- 

 ham, 23rd Rept. N. Y. St. Ent. for 1907, pi. 23. iig. 3 (ven.) ; 1908. Alexander, 

 Cfis. N. Y., 1, pi. 35, fig. 77 (wing) ; 1919. Dickinson, Cfls. Wise. p. 192, fig. 72 

 (wing); 1932. 



Mesonotal praescutuni light buffy gray, with two narrow dark 

 brown stripes; pleura conspicuously striped with silvery. Femoral 

 dark rings subequal to or narrower than interspace. Male hypopyg- 

 ium (Fig. 52,1). $. L. 3.5-4 mm.; at. 3.5-4 mm. 9. L. 4-4.5 mm.; 

 w. 4-4.5 mm. 



(May-Sept.) Ont., Que., N. B., N. S., Me., N. H., Vt., Mass., R. I., N. Y., westw. 

 to Mo. and Colo., southw. to S. C, Fla. and Ala. (Tropical America, as races). 



Connecticut.— Branford, June 23, Aug. 11, 1904 (H.L.V.); Granby, June 8, 1929 

 (C. P.A.); Hamden, July 8, Aug. 24, Sept. 2, 1932 (N.T.), Aug. 1, 1932 (P.G.); 

 Kent Falls, June 12-13, July 23-24, 1931 (C.P.A.), Sept. 11, 1929 (A.J.W.); 

 Meriden, July 30, 1929 (B. H.W.); New Haven, Aug. 20, 1928 (G.B.); Norfolk, 

 June 9, 1929 (C. P. A.) ; Riverton, June 8, 1929 (C.P.A.); W. Hartford, June 23, 

 Aug. 11, 1904 (H. L. V.) ; Winsted, Sept. 5, 1928 (G. C. C. ), June 9, 1929 (C. P. A.). 



E. {Mesocyphona) needhami Alex. (Fig. 50, E). 

 1918. Erioptera {Mesocyphona) needhami Alexander; Can. Ent., 

 50 : 383-384. 

 Fig.— Alexander, Cfls. N. Y., 1, pi. 35, fig. 78 (wing) ; 1919. 



Generally similar to caloptera. Wings with about twenty white 

 spots, distributed along the cord and as marginal areas at ends of 

 veins; venation (Fig. 50, E). 5. L. 3-3.5 mm.; w. 3.5-4 mm. 



(June, July) Ont., Que., N. B., Me., N. H., Vt, Mass., N. Y., westw. to Mich., 

 III. and Mo., southw. to S. C, Ga. and Fla. 



Connecticut.— Hamden, July 12, 1932 (P.G.) : Kent Falls, July 23-24, 1931 (C. P. A.) ; 

 Saptree Run State Park, June 14, 1933 (C. P.A.). 



E. {Mesocyphona) parva O. S. 



1859. EHoptera parva Osten Sacken: Proc. Acad. Xat. Sci. Philadel- 

 phia, 1859 : 227. 

 Fig.— Alexander, Cfls. N. Y., 1, pi. 35, fig. 79 (wing) ; 1919. 



Legs yellow, the femora with a narrow brown subterminal >ring. 

 $ . L. about 2.5 mm. ; w. 2.5 mm. 5 . L. about 3 mm. ; w. 3.5 mm. 



(June, July) Ct., N. Y., westw. to Mich., la., Mo. and Kan., southw. to Ga., Ala. 



and Fla. (Neotropics). 



Connecticut.- Hamden, June 30; 1932 (N.T.); recorded from Connecticut by C W. 



Johnson. 



