ISSORIA. 415 



Genus ISSORIA. 



Issoria, Hihbner, Verz. bek. Schmett. 1816, p. 31 ; Moore, Lep. lnd. 

 iv, 1899-1900, p. 201. 



Type, /. egista, Cramer, from the Moluccas. 



Range. Indo- Malayan Region. 



3 2 . Fore wing long, triangular ; costa evenly arched, apex 

 subacute ; termen even, oblique, only slightly sinuous ; tornus 

 rounded ; dorsum sinuous ; cell not quite half the length of the 

 wing ; the neuration in both fore and hind wings is somewhat 

 similar to that of Atella, but differs as follows : in the fore wing, 

 vein 11 from well before, not from apex of cell ; vein 12 terminates 

 at or a little beyond the middle of the costa. In the hind wing- 

 veins 3 and 4 are shortly stalked. Hind wing irregularly oval, 

 the posterior half abruptly produced from just above vein 4 and 

 shortly caudate at apex of that vein ; termen slightly scalloped. 

 Antenna? a little more than half the length of the fore wing ; club 

 not so abrupt as in Atella, spatulate and concave on underside ; 

 palpi as in Atella, but the third joint proportionately shorter, more 

 slender, not scaled. 



A single form occurs within our limits. 



418. Issoria sinha, Kollar (Terinos), HugeVs Kaschmir ,iv, pt. 2, 1844, 

 p. 438; Butler (Atella), Trans. Linn. Soc, 2nd ser. Zool. i. 

 1879, p. 544 ; de N. (Atella) Butt. lnd. ii, 1886, p. 29, pi. 20, 

 fig. 87 2 ; Moore, Lep. lnd, iv, 1899-1900, p. 202, pi. 359, figs. 2, 

 2«,26, 32- 

 3 2 ' Upperside rich ochraceous yellow. Fore wing shaded with 

 dusky brown towards the base and near the tornus; cell with 

 three transverse black sinuous lines and 

 a line along the discocellulars ; the inter- 

 spaces beyond apex of cell dark brown, 

 the colour produced outwards in inter- 

 space 4 joins a broad oblique short band 

 from the costa ; the dusky-brown shading 

 at bases of interspaces 1-3 darkening 

 outwards; a transverse postdiscal series 

 of dark brown spots, interrupted by large 

 quadrate dark brown marks in interspace 

 4 and below costa ; a subterminal lunular 

 line and a comparatively broad terminal 

 band dark brown or black. Hind wing 

 Fig # 76. shaded posteriorly and on its outer half 



Issoria sinha. {. with dusky brown ; an obscure postdiscal 



row of dark brown spots, followed by 

 a subterminal series of broad lunules and a broad terminal band 

 dark brown or black. Underside fore wing : basal area purplish 

 brown, posterior half ochraceous yellow ; cell crossed by three 

 sinuous dark brown lines, the innermost of the three bordered 

 inwardly with purplish white, the space between the outer two also 



