LARENTIDAl — SCOTOSIA. 311 



ground colour, with the margins only black ; and shows all 

 intermediate shades. 



On the wing at the end of June and in July. 



Larva thick and rather short, the segments well divided ; 

 head small ; green ; ground colour vivid green ; dorsal line 

 dark green ; internal dorsal vessel very visible ; subdorsal 

 lines slender, pale yellow ; spiracular lines of the same colour; 

 sub-sjuracular line similar, slender; segmental divisions deep 

 yellow ; on each side of the three hinder segments, below 

 the spiracles, is a broad purple stripe ; anal plate and tip, 

 with the anal prolegs, deep purple ; undersurface traversed 

 longitudinally by three whitish lines, the middle one the 

 broadest, and bordered with small yellowish spots. (Rev, 

 H. H. Crewe.) 



Or — The whole dorsal region to the spiracles, with the 

 head, rich green ; spiracular stripe yellow ; undersurface 

 green ; anal purple markings and stripes as above described. 



Or — Pale grey ; the head blackish-brown ; dorsal stripe 

 extremely broad, purple-brown ; subdorsal lines broken into 

 a series of purple-brown spots, and spiracular line into 

 short slender similar dashes and dots ; undersurface, legs 

 and prolegs pale grey ; no indication of the bright purple 

 marking of the hinder segments. 



Or — Similar to the last, with the sides more dotted and 

 dusted with purple-brown, and tlie undersurface blotched 

 with dark grey. 



April to June, on Ilhamnm ciiihartkiis. (buckthorn), draw- 

 ing together the leaves. 



The winter is passed in the egg-state. 



Pupa elongated ; thoracic portion cylindrical, wing covers 

 swollen, densely sculptured with minute incised lines ; limb- 

 covers very dull, hardly sculptured ; abdomen regularly 

 tapering, front band of each segment coarsely punctured, 

 middle smoother, hind band glossy ; anal segment rather 

 bluntly rounded, the anal structure somewhat swollen ; 



