CLANIS. 14& 



row of small rounded tubercles along each secondary ring ; 

 a subdorsal and a subspiracular stripe on segments 2 to 4 ; 

 and the oblique stripes on 5 to 11 formed of lines of larger 

 tubercles, these larger than the others, those on 11 running 

 across 12 to base of horn. Horn covered with large tubercles ; 

 anal flap edged with small tubercles, and small tubercles on 

 shanks of fore legs ; the subspiracular hairs on segment 5 

 bifid, those on 6 to 11 with eight branches spread fan-wise 

 horizontally, that on 12 simple ; supraspiracular hairs simple, 

 subdorsal and dorso -lateral hairs wanting. 



Coloration. — Face pale greyish-blue, rest of head green ; 

 a narrow subdorsal stripe from vertex to nape, and the larger 

 tubercles yellow, smaller tubercles white ; labrum and ligula 

 milky- white ; basal segment of antenna pale green, other 

 segments rose-brown ; mandible pale pink, tip narrowly 

 black. Body bright yellowish-green, venter glaucous-green ; all 

 tubercles yellow. Horn green ; true legs deep rose-colour ; 

 prolegs and claspers green. Spiracles parallel- sided, the 

 ends rather pointed, surface slightly depressed, central slit 

 very narrow ; colour soiled greenish -buff, the ends shortly 

 whitish, with a narrow dark brown rim, the whole lying 

 on a large, smooth, green oval. 



6th instar. No change except in size. Some individuals 

 develop plum-coloured patches on the median segments, 

 and there is also a form in which the whole body is 

 canary-yellow. Length 100 mm. ; breadth 18 mm. ; horn 

 1 mm. 



Pupa. — Surface shining ; head smooth ; segments 2 and 3 

 very superficially transversely corrugate ; 4 smooth except 

 for a dorsal carina ; abdominal segments tumid and deeply 

 pitted at front margins, otherwise smooth ; ante-spiracular 

 ridges on 9 to 11 in the form of six sharp ridges separated 

 by deep, rounded, smooth channels four times as broad as 

 the ridges ; in the $ pupa a circular mouth-shaped organ- 

 scar on venter of 13 ; in the $ pupa organ-scar on 12 heart- 

 shaped. Spiracle of 2 a slit with an oblong lobe behind it on 

 the front margin of 3 ; the other spiracles narrow ovals with 

 a raised central slit. Cremaster a deep, short wedge, ending 

 in a narrow longitudinal ridge, the surface shining and, 

 excepting the ridge, deeply corrugate. Colour chestnut, 

 with the tumid front margins of abdominal segments darker 

 and spiracles and cremaster black. Length Q5 mm. ; breadth 

 18 mm. 



Habits. — The food-plants all belong to the family Legumi- 

 nosae, the pea family. The most common is Xylia xylocarpa 

 Taub., then Pongamia glabra Vent., and more rarely Ptero- 

 carpus marsupium Roxb., the usual food-plant of Clanis 



vol. v. L 



