IIILARA. 97 



lirst and second joints clothed with bhick hairs ; third conical, rather 

 broad, much longer than the first and the second ; fifth like a spine, 

 less than half the length of the third. Thorax with 5 brown stripes. 

 Stigina small, pale yellowish-brown ; veins brown, tawny towards the 

 base. Halteres tawny. Legs ferruginous, clothed with short black 

 hairs ; femora black, with ferruginous tips ; hind femora thick, beset 

 with black bristles ; knees tawny ; tips of the tarsi black. Male. 

 Wings very slightly tinged with brown. Hind tibi;e and hind tarsi 

 ])ale yellow. Fem. Wings colourless. 

 Generally distributed. (E. S. I.) 



Genus II. HILARA. 



HiLARA, Mg. zw. iii. 1 (1822); Ct. ; Mq. ; Hal.; Ztt. Emim p., 

 Fb. ; Fin. ; Mg. Blbio p., Pz. Tachydromia p., Fb. 



Corpus parvum aut minutum, rare raedise raagnitudinis, oblonguni, 

 subpilosum. Color niger vel cinerascens, rarissinie ferrugineus. 

 Oculi in utroque scxu disjunct!. Proboscis crassa, recta, capitis 

 lougitudine. Palpi recurvi. x\utenna3 S-artieulata;, porrectae ; arti- 

 culus tertius subulatus, supra compressus, quinto longior; quartus 

 minimus ; quintus setiformis, gracilis, brevis. Alarum vena costalis 

 f areata ; areola discoidalis venas 3 in marginem interiorem emittens. 

 CoxrB femoribus breviores. 

 Mas. Oculi approximati. Abdomen cylindricum ; anus obtusus, crassus, 



appendiculatus. Metatarsi antici ssepissime incrassati. 

 Fcem. Oculi magis remoti. Abdomen oblongum, apice acuminatum. 

 Metatarsi antici simplices. 



Body small, rarely of middle size, oblong, slightly hairy, black or 

 greyish, very rarely ferruginous. Head small, spheroidal. Eyes 

 parted. Ocelli 3, on the crown. Proboscis straight, perpendicular, 

 thick, about as long as the head. Labrum semicircidar, elavate, cleft 

 at the tip, as long as the labium. Lingua lanceolate, as long as the 

 labium. Maxilla3 flat, obtuse, thin along the edges, half the length 

 of the labium. Palpi formed of one fleshy joint, elavate, curved up- 

 wards, very pilose beneath, as long as the maxilhe. Labium long, 

 large, very membranous on the u])per surface. AntenucC 5-jointed, 

 porrcet, approximate at the base ; first and second joints bristly ; first 

 short, cylindrical, longer than the second ; second cyathifonn ; third 

 subulate, compressed above, more than twice the length of the second, 

 longer than the fifth ; fourth very minute ; fifth setiform, slender. 

 Thorax oval, with humeral scapuhie ; scutellum small. Wings cihated, 

 incundjent, parallel ; cubital vein forked, costal vein attenuated around 

 the posterior margin of the wing ; discoidal areolet emitting 3 veins 

 to the interior border. Halteres uncovered. Abdomen with 7 seg- 



VOL. T. O 



