MAY FLIES AND MIIXiE.S OF NEW YORK 153 



the usual stripes, sometimes wbitisli; scuttellnm pale. Legs and' 

 lialteres whitish; wings thickly ])ilose, snlx'inereoiis, the costal 

 margin somewhat yellowish, the basal cells short. Translation. 

 (Loew.) District of Columbia. 



Through the kindness of INIr S. Henshaw of Cambridge, INIass., 

 who examined the type for me, 1 may add that the fork of the 

 cubitus begins before the M-Cu. crossvein; the basal cells are 

 short, one third or less than the wing in length, and the abdomen 

 is brownish. 



21. Ablabesmyia tibialis Staeger 



184.") T a 11 y p u s Staeger. (irooiil. Antl. Nat. Tids. 2 den. U. B. I. So-i 



Blackish; halteres and legs pale fuscous, hind tibiae of the male 

 long pilose; wings grayish, hairy. Length 2.5 mm. 



Male. The blackish body is without markings; thorax dark; 

 abdomen is somewhat shining and fuscous haired. The legs are 

 sordidly yellowish brown, sparsely haired; the tibiae, particularly 

 the hind jmir, are long-haired. The wings are coyered with gray 

 hairs; the yein K^ runs ])ara]lel with tlie wing margin and ends 

 one third the wing length from the tip, K^^.^ ends near the tip, 

 the oblique R-M crossvein being near the middle of the wing; the 

 media is slender and ends at the wing tip; the fork of the cubitus 

 lies directly under the II M crossyein ; the M-Cu. crossyein is 

 vertical (its position is not stated by Staeger) ; the branches of 

 the radius are stout, but the cubitus and the anal veins are nearly 

 invisible. 



Lundbeck (1898) p.2!U describes the female as follows: 

 Female. Resembles the male, but the abdomen is shorter and 

 stouter; the wings are Avider and the veins are a little stouter; 

 with long pile on the hind tibiae, though not so long as that of 

 the male; in other resjiects like the nmle. 



Greenland (Staeger and Lundbeck). 



22. Ablabesmyia fastuosa n. sp. 



(PI.19. figs. 16-19) 



A single larva from I']ddy ])ond, Ithaca, N. Y., in April. 



Larva. Reddish, length about 7 mm. Head brown, rather 

 short; about 1-J- times as long as wide; antennae more than twice 

 as long as the mandibU>. TIk^ basal joint about two thirds of 

 total length (tig.17). Mandible resembles that of monilis, 

 but Avith a broader lateral lootli (tig.l(i). Maxilla jtrominent with 

 long palpus, hypoi»harynx and labium like that of monilis; 

 the latter, however, has teeth in the middle shorter than the 

 lateral ones, while the former has the teeth nearly equal in length. 



