MAY FLIES AND MIDGES OF NEW YORK 151 



times slightly darker, extreme tip of each tibia with black speck; 

 fourth tarsal joint linear; fore metatarsus about three fourths as 

 long as its tibia ; fore tarsi and middle and hind legs Avith rather 

 long hairs. ^A'ings hyaline, pale yellow haired, crossvein not 

 clouded; R, present near the tip of Ri. cubitus forking slightly 

 before the crossvein. (P1.27, fig.ll.) Halteres pale. 



Female. Antennae wholly yellow, except fuscous apical joint; 

 abdomen dusky yellow, posterior margins of segments slightly 

 paler. 



This species agi'ees with the description of nigropuncta- 

 tus Staeger (1839), but the sternum and metanotuim are dusky 

 and not yellowish. Several bred specimens Ithaca, N. Y.; Idaho; 

 Pullman, Washington. 



17. Ablabesmyia flaveola Williston 

 1896 T a n y p u s Will. Trans. Ent. Soc. Lond. p.275 



Male. Posterior forked cell not petiolate; wings hairy; front 

 metatarsi nearly as long as their tibiae. Light yellow; antennae 

 brownish, the plimuosity gray; abdomen somewhat iufuscated 

 towards the tip; legs light yellow throughout, with rather abun- 

 dant light Aellow hair; wings hyaline, clothed moderately densely 

 Avith gray hair. Length 1.5 to 2 ram. St Vincent Island, West 

 Indies. 



18. Ablabesmyia pallens Coquillett 

 1002 T a n y p u s Coq. Proc. U. S. Nat. Mus. 25 :91 



Male. Head brown, mouth ])arts and basal joint of antennae 

 concolorous, remainder of antennae yelloAV, the hairs brown and 

 whitish; thorax whitish, three vittae on mesonotum, metanotum, 

 spots on the pleura and sternmn dark yellow ; abdomen pale yel- 

 low, a band near base of segments 2 to 5 and nearly the whole 

 of the following segments, tpale brownish; legs and halteres 

 Avhitish ; wings hyaline, covered Avith hairs, Rj near its apex con- 

 nected Avith R, by the oblique R, ; cubitus forks slightly before 

 the crossvein; length 2.5 mm. 



Female. Abdomen Avholly yellow, otheinvise as in the male; 

 length, slightly over 1 mm. Las Vegas, Hot Springs, N. M.; 

 New Jersey, (Johnson, '04). 



Var. a, (pl.2T, fig.ll.) 



Male. Dorsum of thorax Avith three wide fuscous stripes, 

 humeri and scutellum yellow, the latter perhaps a little darker. 

 Pleura broAvn, metanotum and sternum blackish. Palpi and pro- 

 boscis yellow. Specimens from Ithaca, N. Y. 



