130 THE LEPIDOPTEEA OF CEYLON. 



AUCHA VELANS. 



Aiicha velans, Walker, Catal. Lep. Het. B. M. xiii. p. 1138 (1857). 



"Male. Blackish -brown, cupreous; ferruginous beneatli : forewings with a 

 cinereous tinge ; all the markings almost obsolete, except a row of blackish marginal 

 (lots : hindwing cupreous, somewhat paler towards the base and along the interior 

 border ; an oblong fawn-coloured patch in the disc ; cilia partly testaceous ; under- 

 side with a brown discal spot and a brown border. Abdomen cupreous-ferruginous. 



" Expanse 16 lines." 



Family OPHIDERID^. 



Imago large, robust. "Wings ample : forewings in some almost hooked at the 

 tip : hindwings generally deep yellow, with black bands. Body stout ; thorax and 

 abdomen crested ; palpi long, ascending, apex compressed and clavate ; antenna 

 long, thick. 



Larva half looped, with sixteen legs, the first middle pair being imperfect and 

 useless for walking; with prominent ocellated spots on sixth and seventh segments. 

 "When at rest the anterior and posterior segments are held upward, the anterior 

 segments also being frequently curled beneath. Pupa stout, conical, head truncated ; 

 scabrous ; amongst growing leaves which are knit together and lined with a silken 

 web ; pupa fastened by the tail. 



Genus OTHREIS. 



Othn'is, Hiitnier, Vevz. bek. Scbmett, p. 264 (1818-25); Moore, Traus. Zool. Soc. xi. p. 64 (1881). 



Conjcia, Hiibner, Verz. bek. Seiimett. p. 265 (1818-25). 



Ophideres (part), Gueuee ; Walker. 



Forewino- elongated ; costa slightly arched near the end, apex acute ; exterior 

 margin oblique and slightly convex hindward, even in the male, scalloped in the 

 female; posterior margin short, with a fringed lobe near the base and a slight 

 excavation beyond ; costal vein extending to near apex ; first and second subcostal s 

 at equal distances before end of the cell, second trifid, third forked near the apex, 

 fifth fiom end of the cell and joined to third near its base ; discocellular very slender, 

 recurved, bent near each end, radials from the angles ; middle median from angle at 

 end of the cell, lower at one-third before the end ; submedian bent near its base, 

 from below the angle of which a short spur is emitted and joins a very slender short 

 lower submedian branch : hindwing broad ; costal margin extending beyond angle 

 of f orewing, exterior margin convex, and with a slight subanal angle ; abdominal 

 niaroin short ; costal vein recurved, extending to apex ; two subcostals from end of 



