CERATOPOGON. 233 



or blackish-brown, occasionally partly tawny, partly blackish-brown. 

 Antenna) blackish-brown ; joints from the first to the fifth or sixtli 

 generally tawny at the base ; first joint large, cylindrical, almost oval, 

 contracted before tlie middle; second and six following joints elongate- 

 oval, somewhat straitened beyond the middle ; ninth and four following 

 elongated, elliptical. Thorax hliiish-ash <jrey, mou8e-(jrey, or wJutish- 

 grey, tcith three coffee-hrotcn stripes. Scutellum grey, sometimes more 

 or less tawny. Pectus grey or blackish-grey, glistening-hoary. Meta- 

 thorax blackish-brown. Wings limpid, whitish in some as^^ects; veins 

 pale, brown towards the costa. Ilalteres white. Ahdomen whitish-yrey 

 or yelloichh-whlte, first segment wholly, and the following at the base, 

 blackish-brown ; last segment blackish-brown, with a white hind border. 

 Legs tawny ; femora and tibiae more or less blackish-brown towards 

 the tips; joints of the tarsi with 1)lack tips; plantEc with five or six 

 pair of spines ; fore femora and hind femora somewhat incrassated ; 

 fore femora with twenty-one to thirty spines ; middle femora with seven 

 to twelve spines ; hind femora with eight to sixteen spines. 

 Not common. (E.) 



G6. femoratus, T. S. A. 45. 35 (1805); Latr.; Meig. ; Stag.; 

 Mcq. ; Es. ; Zett. ; Winn. ! Linn. Ent. vi. pi. 8. f. 64.' — morio, 1\ ; 

 Gmel.; Meig.; Mcq.; Sta^g.; Zett. — oier, Meig. ; Es. — ru/itarsis, Meig. 

 — arinatns, Meig. Mas et Fceni. niger, nitens, alls limpidis aut fusces- 

 centibus, venis albidis aut nigro-fuscis, halteribus albis, pedibus plus 

 miuusve fulvo variis, femoribus tibiisque posticis longiusculis, illis in- 

 crassatis et spinosis, tarsis albidis aut fulvis articulis apice obscuriori- 

 bus ; Mas, antennarum pluma apice albo-nitente. Long. 1-1^ ; alar. 

 %-U lin. 



Male and Fem. Black, shining. Wings limpid-white, occasionally 

 more or less brownisli ; veins whitish or brown. Halteres white. Legs 

 often more or less tawny ; tarsi whitish or tawny ; the joints darker 

 towards their tips ; hind femora and hind til)ia3 rather long, the former 

 intrassated, thickly spinose beneath, slightly spinose above. Male. 

 Plumes of the antennrc glistening-wliite towards their tips. Claws 

 slender, of equal length on all the tarsi. Fem. Claws of the anterior 

 tarsi of ecpial length. Hind tarsi with one claw four times the length 

 of the other. 



Wiunertz describes twelve varieties of this species. Generally 

 distributed. (E. S. I.) 



67. inflatus, Winn.! Linn. Ent. vi. 71. 05. pi. «. f. 65 (1852). 

 Mas, uler, n'Uldus, fronte nigro-obscuro, facie palj)isque nigro-fuscis, 

 antennarum plumis apice albidis, alls albidis, venis pallidis apud cos- 

 tam fusccscentibus, halteribus albis, ubdouunis seymentis primo, secnndo 

 tertioque apiceque albis, pedibus albis, femoribus, tibiis tarsisque apice 

 nigris. Long, f ; alar. If lin. 



Male. Pront dull black. Pace and palpi blackish-brown. Antenna! 

 and their plumes blackish-brown, the latter with glistening-white tips. 



VOL. IV. 2 n 



