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 with rather 

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

 clouded; R 2 present near the tip of R , 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 agrees with the description of n i g r o p u n c t a- 

 t u s 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 yellow hair ; wings hyaline, clothed moderately densely 

 with gray hair. Length 1.5 to 2 mini. St Vincent 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, (pale brownish; legs and halteres 

 whitish ; wings hyaline, covered with hairs, R t near its apex con- 

 nected with R, by the oblique R 2 ; cubitus forks slightly before 

 the crossvein; length 2.5 mm. 



Female. Abdomen wholly yellow, otherwise as in the male; 

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

 New Jersey, (Johnson, '04). 



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



Male. Dorsum of thorax with three wide 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. 



