MAY PLIES AND MIDGES OF NEW YORK 151 



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

 fourth tarsal joint linear; fore metatarsus aibout three fourths as 

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

 long hairs. Wings hyaline, pale yellow haired, crossvein not 

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

 before the crossvein. (Pl.27^ fig-H-) Halteres pale. 



Female. Antennae wholly yellow, except fuscous apical joint; 

 abdomen dusky yellow, posterior margins of segments slightly 

 paler. 



This species agrees with the description of n i g r o p u n c t a- 

 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 plumosity gray; abdomen somewhat infuscated 

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

 dant light 3'ellow hair; wings hyaline, clothed moderately densely 

 with gray hair. Length 1.5 to 2 mm. St Yincent Island, West 

 Indies. 



18. Ablabesmyia pallens Coquillett 

 1902 T a n y p u s Coq. Proc. U. S. Nat Mus. 25 :91 



Male. Head brown, mouth parts and basal joint of antennae 

 concolorous, remainder of antennae yellow, the hairs brown and 

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

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

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

 of the following segments, ifjale brownish ; legs and halteres 

 whitish ; wings hyaline, covered Avith hairs, R^ near its apex con- 

 nected with R. by the oblique R^; cubitus forks slightly before 

 the crossvein; length 2.5 mm. 



Female. Aibdomen AvhoUy yellow, otheinvise as in the male; 

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

 New Jersey, (Johnson, '04). 



Yar. a, (pl.27, fig.14.) 



Male. Dorsum of thorax with three Avide fuscous stripes, 

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

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

 boscis yellow. Specimens from Ithaca, N. Y. 



