SERICORID.^—SERICORIS. 5 3 



land, and Northumberland, alwaj's excessive!}' local, _yet ap- 

 parently becoming more generally distributed ia the North : 

 and frequent in Scotland in the Edinburgh district, in 

 Renfrew, Lanark, Aberdeenshire, and Moray. It is re- 

 corded in North Wales by Mr. A. F. Griffith, but I have not 

 found it in South Wales nor is there any record that I know 

 of for Ireland. Abroad it is generally distributed in Central 

 and Northern Europe and occurs in Piedmont. 



2. S. irriguana, H.-S. — Expanse -| inch (15-16 mm.). 

 Fore wings rather narrow, with oblique hind margin, pale 

 olive brown, with a narrow jagged central band followed by 

 faint cloudy markings. 



Antennse dark brown ; palpi, head, and thorax olive brown: 

 abdomen dark olive brown. Fore wings rather narrow, costa 

 nearly straight, apex sharply angulated, hind margin gently 

 curved ; very pale olive brown ; basal blotch large, dull olive- 

 brown, its margin jagged ; central band not broad nearly 

 upright, angulated and jagged outwardly ; beyond it are, 

 often, a faint round cloud upon the dorsal margin, some 

 costal pale dots, and a large olive brown cloud before the 

 apex ; but sometimes these markings are partially obliter- 

 ated ; cilia whitish brown. Hind wings black-brown ; cilia 

 paler. Female similar. 



Underside of the fore wings leaden black, with pale 

 brown costal dots. Hind wings leaden white. 



Occasional specimens are devoid of markings, and closely 

 resemble the form known on the Continent as S. sudctana. 



On the wing in June and July. 



Larva and Pupa unknown. 



This species is, apparently, confined to the higher slopes 

 of mountains and is said not to be found at a less elevation 

 than from 2000 to 3000 feet above the sea. Here it seems 

 to hide more especially among Arctostaphylos uva-ursi but 



