MAY FLIES AND MIDGES OF NEW YORK 149 



13. Ablabesmyia algens Coquillett 

 19(J2 T a 11 y p u s Coq. Proc. U. S. Nat. Mus. 2.5 :90 



Female. Yellow, three vittae on the mesonotum; the metano- 

 tuaii, si)ots on the j>loui'a, and tlie sternum, brownish black; mouth 

 parts, ajiices of fenioi-a, and bases of tibiae brownish; mesonotmn 

 grayish iiruinose, Hk? vittae somewhat polished; wings covered 

 with hairs, hyaline, crossed at the middle 'by a faint brownish 

 band which extends from small crossvein half way to the wing 

 tii>; Ki near its ajjex connected with R, by the oblique R,; cubitus 

 foi-ks sliglitly l>efore the crossvein; length 3 mm. Popoff Island, 

 Ala.ska. " 



14. Ablabesmyia discolor Coquillett 

 ]<>)2 T a 11 y p u s Coq. Proc. T'. S. Nat. Mus. 2.5 :89 



Female. Yellowish brown; antennae, scutellum, large portion 

 of alKlomen, legs except apices of femora and tibiae, also the 

 halteres, yellow; mesonotum grayish pruinose, most dense at the 

 humeri and in front of scutellum; wings whitish hyaline; two 

 cros.sl)ands and the apex largely brown ; the first band is on a 

 line with the humeral crossvein, and along costa is broadly con- 

 nected with the second band, which is located at the small cross- 

 vein; behind the cubitus the second band is prolonged to meet 

 the brown at apex of wing; the latter begins a short distance 

 before the apices of Rj and of Cu,, and encloses a large hyaline 

 spot in a[>ex of cell il and cell CUj, also two yellowish costal 

 spots ; the brown along the costa comprises two spots of a darker 

 color than the remainder of the brown at the apex of the wing, 

 and between the first of these sjiots and the preceding brown 

 band is a large yellow costal spot; wings densely covered with 

 hairs, which are ^•«llowislI on the hyaline portions and brown 

 on the dark spots; Rj connected with R.. a short distance l)efore 

 its tip by the oblicpie R.^. Cubitus forks slightly before the cross- 

 vein. Length '5 mm. New Hamjishire. 



15. Ablabesmyia melanops Wied. (Meig.) 



1818 T a n y p u s Meigen. Syst. Bescbr. 1 : 65, 18 



1850 T a n y p u s Zett. Dipt. Scand. 9 : .3621 



18&4 T a n y p u s Schiner. Fauna Austr. 2 : 621 



1877 T a n y p u s Y. d. Wulp. Dipt. Neerl. p.306 



17.57 T i p u 1 a ? a r u n d i n e t i L. Fauna Suec. od. II. p.4.j4 



1818 T a n y p u s Meig. Sy.st. Besch. 1 :66, 19 



1823 Tanypus bicolor Fries. Monogr. Tanyp. Suec. 17, 12 



Pale reddish yellow, including the antennae, palpi, legs and 

 halteres; eyes lilack. Thoi-ax with three reddish longitudinal 

 strij>es, the median one divided; the intermediate spaces and the 



