SERICORIDyE—HED YA . 3 



May and June, on sweet gale, alder, mountain ash, apple, 

 pear, hawthorn, and the various species of Frvnus, also on 

 sea buckthorn, hornbeam, and oak, spinning together the 

 top leaves and shoots and feeding ujjon them, spinning up in 

 the larval habitation. 



In the United States of North America this species is 

 known as the "Bud moth,'' and is too well-known as a most 

 destructive enemy of the apple crop. Its history is worked 

 out in extreme detail in New York by Mr. G. V. Slinger- 

 land. It seems to be an introduced species in that country, 

 having first been noticed there about the year 1841, but it is 

 now widely distributed. With us it is most abundant 

 throughout the southern halE of England, and extends so far 

 north as Yorkshire and Durham, but I find no record for 

 Wales ; and in Scotland onl}^ one for Midlothian. In Ireland 

 it is recorded, doubtfully, from Sligo. It is abundant 

 throughout Central Europe, and almost all Southern Europe ; 

 also found in Scandinavia. 



2. H. lariciana, Hein. — Expanse 1 an inch (12 mm.) 

 Very much like H. occllana, but with narrower fore wings, 

 and a more slender general appearance. 



Antennse brown ; palpi and head hoary-grey ; thorax 

 black-brown dusted with white ; abdomen grey-brown. 

 Fore wings rather narrow, costa gently arched, apex bluntly 

 angulated ; white, dusted and clouded with grey ; basal blotch 

 large, black-brown, its outer edge obtusely angulated ; before 

 the anal angle is an erect brown isosceles-triangular spot, 

 beyond which the whole hinder area is clouded with black 

 and grey in delicate lines ; costa dotted with black ; cilia 

 grey-black. Hind wings and their cilia dark smoky brown. 

 Female similar. 



Undersides of all the wings leaden-brown ; costa of the 

 fore wings faintl}^ dotted with white. 



On the wing from the end of May to the beginning of 

 August, but whether in one brood only appears uncertain. 



