186/.] MR. A. G. BUTI-KR ON A NKW GENUS OF LKPTDOl'TEUA. .S" 



G. Description of a Ncav Genus of Diurnal Lepidoptera he- 

 longing to tlie Family Erycinida. By A. G. Butler, 

 F.Z.S. 



The species representing the present genus have hitherto been in- 

 duded in the genus Taxi/a of Westwood ; they are, however, so 

 strikingly distinct from it, that I think it absolutely necessary to 

 separate them. The arrangement of the disco-cellular veins is very 

 unUke that of either Taxila or the allied genus Sospita ; the antennae 

 and wing-cells also differ in length. I therefore propose for this 

 form the name of Dicallaneura. 



The genus Taxila has hitherto contained three distinct forms, one 

 of which must, I think, be henceforth placed with Sospita, as it shows 

 a very great resemblance to the latter in neuration and in other less 

 important structural details. These forms may be distinguished as 

 follows : — 



Genus Taxila. 



1 . Alee subtrigonatce ; posticce angulo anali producto et a canda 

 brevi tenui terminato ; cella a?iticanim elongata, apice paulo 

 concavo, posticarum breviore lata : corpns robustum, capite 

 magno, antennis elongatis. 



1. T. DURGA, Kollar ; 



2. T. EGEON, Westwood ; cum aliis. 



2. Alee lata;, breves; antica siibtrigonatee, costa conrexa, apice 

 rotundato ; posticce margine postico convexo, sinuato {rarius 

 medio minime producto *) ; cella anticarum brevi lata, apice 

 paulo bisinuaio, jiosticarum brevi, lata, venis disco-eel hdaribus 

 specierum singulamim plus minusve forma, variantibus : corpus 

 parviim, capite parvo, antennis brevioribus. — ? Sospita, Hevvit. 



1. T. DRiiPADi, Horsfield ; 



2. T. ORPHNA, AVestwoodf ; 



3. T. THiusTA, Hewitson ; 



4. T. TENETA, Hewitson; cum aliis. 



Dicallaneura J, gen. nov. 



3. Alee lata, breves, anticce marginibus convexis ; posticce costn 

 convexa, margine postico minime sinuato et post medium cauda 

 obtusa producto ; cella anticarum lata, brevi, apice valde ex- 

 cavato, posticarum lata, brevi, venis disco-cellidaribus obli- 

 quis : corpus robustiim, capite magno, antennis elongatis. 



* ? . T. drupadi, Horsfield. 



■f Three species are confounded under this name. 



\ SiKuWa, I'ei'poi'. 



