MAY FLIES AND MIDGES OF NEW YORK 149 



13. Ablabesmyia algens Coquillett 

 1902 T a ii y p u s Coq. Proc. U. S. Nat. Mus. 25 :90 



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

 tum, spots on the pleura, and the sternum, 'brownish black ; mouth 

 parts, apices of femora, and bases of tibiae brownish ; mesonotum 

 grayish pruinose, the 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 

 tip; R! near its apex connected with R 3 by the oblique R 2 ; cubitus 

 forks slightly before the crossvein ; length 3 mm. Popoff Island, 

 Alaska. 



14. Ablabesmyia discolor Coquillett 

 1902 T a n y p u s Coq. Proc. U. S. Nat. Mus. 25 :89 



Female. Yellowish brown; antennae, scutellum, large portion 

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

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

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

 crossbands 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 cu/bitus the second band is prolonged to meet 

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

 before the apices of R x and of Ou 2 , and encloses a large hyaline 

 spot in apex of cell M and cell Cu 1? also two yellowish costal 

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

 color than the remainder of the brow r n at the apex of the wing, 

 and between the first of these spots and the preceding brown 

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

 hairs, which are yellowish on the hyaline portions and brown 

 on the dark spots; R x connected with R.J a short distance before 

 its tip by the oblique R 2 . Cubitus forks slightly before the cross- 

 vein. Length 3 mm. New Hampshire. 



15. Ablabesmyia melanops Wied. (Meig.) 



1818 T any pus Meigen, Syst. Beschr. 1:65, 18 



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



1864 T a n y p u s Schiner. Fauna Austr. 2 : 621 



1877 Tanypus V. d. Wulp. Dipt. Neerl. p.306 



1757 T i p n 1 a ? a r n n d i n e t i L. Fauna Suec. ed. II. p.434 



1818 Tanypus Meig. Syst. Besch. 1:66,19 



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



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

 halteres; eyes blac-k. Thorax with three reddish longitudinal 

 stripes, the median one divided; the intermediate spaces and the 



