MAY FLIES AND MIDGES OB^ NEW YORK 151 



times slightly dai-ker, extreme ti]) of encli 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. Wings hyaline, pale yellow haired, crossvein not 

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

 before the crossA'ein. (PI. 27, fig.ll.) Halteres pale. 



Female. Antennae wholly ycllow% except fuscous apical joint; 

 abdomen dusky yellow, posterior margins of segments slightly 

 paler. 



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

 tu s Staeger (1839), but the sternum and metanotuini are dusky 

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

 Pullman, AVashington. 



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 pluanosity gray; abdomen somewhat iufuscated 

 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 num. St A'incent Island, West 

 Indies. 



18. Ablabesmyia pallens Coquillett 

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



Male. Head broAvn, 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 ye\- 

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

 of the following segments, jtale brownish; legs and halteres 

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

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

 the crossvein ; length 2.5 mm. 



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

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

 New Jersey, (Johnson, '04). 



Var. a, (^i>1.27, fig.l4.) 



Male. Dorsum of Ihoi-ax with three wide fuscous stripes, 

 humeri and scutellum ye]h)w. the latter j)erhaps a little darker. 

 Pleura brown, metanotum and sternum blackish. Palpi and ])ro- 

 boscis jellow. Specimens from Ithaca, N. Y. 



