MAY FLIES AND MIDGES OF NEW YORK 149 



13. Ablabesmyia algens Coqnillett 



1902 T any pus Coq. Proc. U. S. Nat. Mus. 25:90 



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

 tuim, 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 crossveiu half way to the wing 

 tip; Rj near its apex connected with R 3 by the oblique R 2 ; ctibitus 

 forks slightly before the erossvein; 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; mesonotum grayish pruinose, most dense at the 

 liumeri and in front of scutelluin ; 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 cuibitus the second baud is prolonged to meet 

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

 before the apices of R! and of On,, and encloses a large hyaline 

 spot in apex of cell M and cell < 1 u,, 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 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, connected with R.. a short distance before 

 its tip by the oblique R 2 . Cu'bitus forks slightly before the cross- 

 vein. Length 3 mm. New Hampshire. 



15. Ablabesmyia melanops Wied. (Meig.) 



1818 T any pus Meigen. Syst. Besciir. 1:G5, 18 



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



1SG4 T a n y p u s Scbiner. Fauna Austr. 2 :G21 



1877 T a n y p u s V. d. Wulp. Dipt. Neerl. p.SOG 



17." Tipula ? a r u D d i n o t i L. Fauna Suec. ed. II. p.434 



183.8 T a n y p u s Meig. Syst. Bosch. 1 :GG, 19 



1823 Tanypus b i c o 1 o r Fries. Monogr. Tanyp. Suec. 17,12 



I'ale reddish yellow, including the antennae, palpi, legs and 

 halteres; eyes black. Thorax with three reddish longitudinal 

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



