460 COXXECTICDT GEOL. AXD NAT. HIST. SURVEY [Bull. 



At least the fore femora with two pale brown rings that do not exceed in 



extent the yellow annulus between 4 



4. General coloration of body dark, the thoracic notum grayish brown ; male 

 hypopygium with the outer margin of outer dististyle not emarginate : 

 gonapophyses appearing as smooth, nearly straight, black horns laevis 



General coloration of thoracic notum yellowish brown ; male hypopygium 

 (Fig. 52, L) with the outer dististyle very large, the head with its outer 

 margin conspicuously emarginate ; gonapophyses microscopically spinulose 

 before the abruptly narrowed acute spinous apex armillaris 



Erioptera {lUsia) armillaris O. S. (Fig. 52, L). 

 1869. Erioftera arTnillaris Osten Sacken; Mon. Dipt. N. Amer.. 4: 

 158-159. 



Fig.— Alexander, Cfls. N. Y., 1, pi. 35, fig. 81 (wing) ; 1919. 



Thoracic pleura and posterior sclerites of mesonotum dark liver- 

 brown, the praescutum conspicuously yellowish brown. Fore femora 

 with two pale brown annuli; remaining femora with a single subter- 

 minal ring; tibiae entirely yellow. Dark band at cord of wing narrow 

 but nearly complete, being interrupted just behind vein Cui ; basal 

 band variously broken. Male hypopygium (Fig. 52, L). $. L. 4.5-5 

 mm. ; w. 5-5.5 mm. $ . L. 5-5.5 mm. ; w. 5.5-6 mm. 



(June-Aug.) Ont., Que., N. S., Me., N. H., Vt., N. Y., westw. to Mich, and Kan., 

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



Connecticut. — Reported by C. W. Johnson, June 19 to Aug. 9. with no further 

 data. 



E. {Ilisia) graphica O. S. 



1859. Erioptera grafhica Osten Sacken; Proc. Acad. Nat. Sci. Phil- 

 adelphia, 1859 : 227. 



Fig.— Alexander, Cfls. N. Y., 1, pi. 35, fig. 82 (wing) ; 1919. 



Generally similar to armillaris but ground-color of body and 

 wings darker. Legs, especially the femora, more extensively black- 

 ened. Wings with dark band at cord, narrow, incomplete, not includ- 

 ing the distal section of vein Cui. $ . L. 4.5-5 mm. ; w. 4.5-5 mm. 



(June-Sept.) Ont., Mass., N. Y., westw. to la. and Neb., southw. to S. C. Ga., 

 n. Fla. and La. 



E. (Ilisia) indianensis Alex. 



1922. EHoptera {Acyphona) indianensis Alexander; Occas. Pap. 

 Mus. Zool. Univ. Mich., 127 : 1-2. 



Mesonotal praescutum obscure yellow, with four brown stripes; 

 pleura silvery gray, delimited by narrow, dark brown, longitudinal 

 stripes. Gonapophyses appearing as strongly curved smooth hooks. 

 $. L. 4-5 mm.; w. 4.5-5.5 mm. 



(June) Ind., 111., Ky., Mich., la. and Mo. 



E. {Ilisiu) laevis Alex. (Fig. 50, H). 



1930. Erioptera (Ilisia) laevis Alexander; Bull. Brooklyn Ent. Soc, 



25 : 77. 



