34 PSYCHE. [March 1900. 



y. Metazone twice as long as the prozone with the 

 process acute. Wings long, barely less than twice as 

 long as wide. Fuscous band narrower, at most not exceed- 

 ing one sixth the length of the wing. Lower sulcus of 

 the posterior femora with the black not almost severed by 

 the median light band . . . Vhiculata Scudd. 



j-. Metazone less than one and three quarter times as 

 long as the prozone, with the process rectangular. Wings 

 shorter, being considerably less than twice as long as wide. 

 Fuscous band ecjual in width to a fourth or a fifth tiie 

 length of the wing. Lower sulcus of tlie ]iosterior 

 femora with tiie black almost severed 1)V the median light 

 band ...... Saxatilts n. sp. 



_o"^. Posterior tibiae brown with a pale subhasal annulus. Size 

 small. Wing very broad, less than one and one half times as 

 long as broad ....... Pilosa n. sp. 



c'^. Tegmina thickly punctate with evenly scattered fuscous annuli. con- 

 trasting little with the fuscous background and not or very rarelv collected 

 into groups forming bands. Wings broad with the outer half infuscated 

 or fuliginous, rarely only the tip of the apical part and the veins beyond 

 the fuscous band are infuscated. .... Fallax group. 



d^. Posterior tibiae blue witii a light sub-basal annulus or at least a 

 lirownlsh spot on the exterior face. 



e '. Tegmina evenly maculate with at the most faint traces of bands. 

 Process of the metazone acutangulate at least in the male. 



Fallax Sauss. 

 e'-. Tegmina plainh' fasciate by the unequal distribution of fuscous 

 annuli. Process of the metazone obtusangulate even in the male. 



N^iibila II. sp. 



d'-. Posterior tibiae not blue and without a ]5alc sub-basal .■nniulus. 



(f '. Portion of the wing beyond tlie fuscous band eitlier fuscous or 



fuliginous, spur reaching half wa> to the base. Conspersa u. sp. 



c~. Portion of the wing be\-ond the fuscous band hyaline, spur 



reaching two thirds the distance to the base. \'aricgafa n. sp. 



a'-. Wings entirely hyaline without fuscous band ami colored disk or the 



latter blue with the fuscous band distinct or indicated by infuscated nerves and 



cells. Fascia ot the tegmina ne\ er solid but obviousl\' maile up of Inscous 



annidi often imperfectly segregated. 



/)'. Fuscous band present. Disk blue. Posterioi- tiliiae blue with a light 

 sidi-liasal annulus ...... Caek iii,i-:iim:\\is citoii'. 



