202 LEPIDOPTERA. 



the ash, and may at any time easily be disturbed iji plenty 

 from that tree, to which it quickly returns. Also to be found 

 where privet is allowed free growth. Often it flies in a 

 lively manner in the sunshine in warm weather, and about 

 dusk is extremely active, flying high over bushes and trees. 



Abundant in the South of England ; less so in the Mid- 

 lands, but to be found iu suitable places throughout England, 

 Wales, and Ireland ; in Scotland throughout the Lowlands, 

 though in some places local or scarce. Abroad it is common 

 throughout Europe, except the polar region, and is found in 

 Bithynia. 



5. D. holmiana, L. — Expanse i inch (12 mm,). Fore 

 wings rich chestnut with a triangular white costal spot ; 

 hind wings leaden-brown. 



Antenna leaden brown ; palpi and head smoky red-brown ; 

 thorax chestnut ; abdomen grey-brown. Fore wings not 

 broad ; costa gently arched, not folded ; apex angulated ; 

 rich chestnut-red, shading a little paler toward the dorsal 

 margin; on the costa, just beyond the middle, is a large 

 trigonate white spot, its apex slightly bent back ; hind mar- 

 ginal region faintlj^ tinged with a leaden gloss ; cilia whitish- 

 orange. Hind wings and cilia dark leaden-brown. Female 

 quite similar. 



Underside of the fore wings leaden-brown ; the white 

 triangular spot reproduced ; cilia yellow-white. Hind 

 wings smoky brown. 



On the wing from June till August. 



Larva yellow, without markings ; head red-brown ; dorsal 

 plate black ; on the eighth segment is a wart-like protu- 

 berance. 



May and June, upon hawthorn, blackthorn, pear, plum, 

 and sometimes rose, spinning together two leaves at their 

 margins and residing between. 



Pupa orange-yellow. Spun up on a folded leaf. 



