S TIG MO NO TID7E—DICHR ORA MP HA . 261 



tion of the latter seems rather to refer to Lipoptyclia satur- 

 nana. In England it is found in Yorkshire, Lancashire, 

 Durham and Cumberland ; most probabi}'' throughout Scot- 

 land, since it is common in the Shetland Isles ; but it has 

 been taken in Roxburghshire, the Edinburgh district, Lanark 

 and elsewhere in the Clyde Valley, Perthshire, Kincardine- 

 shire and Aberdeenshire. In Ireland I obtained it on the 

 hills close to Belfast, and it has been taken in Donegal and 

 Cork. Abroad its range is not yet ascertained. 



10. D. acuminatana, Zdl. — Expanse, male ^ inch 

 (12 mm.), female i; inch (9 mm.). Fore wings narrowly 

 trigonate, purple brown with a triangular yellow brown 

 dorsal blotch. 



Antennte, palpi, and head brown ; thorax purple-brown ; 

 abdomen pale brown. Fore wings trigonate and pointed, 

 costa folded at the base and nearly straight, apex sharply 

 angulated, hind margin straight and very oblique ; purple 

 brown rippled with dark brown ; dorsal blotch long, broad 

 at the base, but running off obliquely to a point which is 

 directed back ; yellowish brown or whitish brown ; costa 

 from above this to near the apex streaked with faint leaden 

 lines in pairs, some of which extend across the wing or wind 

 irregularly about ; cilia shining whitish brown. Hind wings 

 and their cilia pale smoky brown. Female smaller and 

 stouter, costa not folded, richer purple brown and often ver}?- 

 bright and pretty ; hind wings also a little darker. 



Underside of the fore wings shining leaden brown. Hind 

 wings leaden white. 



On the wing in May and June, and in a second generation 

 in August and September. 



Larva thick and stumpy, semi-transparent white (or when 

 young faintly tinged with green), with a distinctly visible 

 brown dorsal vessel ; head light brown, with a darker line 



