TORTRICID.^—DICHELIA. 215 



AntenHEe simple in the male, brown, ciliated with white 

 hairs ; palpi, head, and thorax ochreous ; abdomen smoky 

 brown ; anal tuft tinged with ochreous. Fore wings rather 

 broad ; costa strongly arched but not folded, its edge to the 

 middle slightly curved up ; rich ochreous ; basal blotch indi- 

 cated by faint perpendicular brown lines ; central band com- 

 plete, oblique, brown, broadest toward the dorsal margin, 

 and there rounded ; before the apex is a large brown costal 

 spot, from which reddish-brown perpendicular lines pass to 

 the anal angle ; cilia jaale ochreous. Hind wings black- 

 brown ; cilia hardly paler. Female similar. 



Underside of the fore wings dark smoky brown, the mar- 

 gins tinged with yellow. Hind wings smoky white. 



On the wing in July and August. 



Laeva apparently unknown. It is indeed a well-known 

 puzzle, and no one seems as yet to have any satisfactory 

 clue to the mystery of its habits. 



The moth affords, apparently, no clue to the food-plant of 

 its larva. In some districts it seems to sit only on horn- 

 beam or maple, in others only in large hawthorns ; and op 

 the only occasion on which I took it in any numbers, the 

 situation was a hillside with a scattered growth of oaKS, 

 and every specimen that I saw was beaten out of an oak tree. 

 When beaten out it flies usually to the ground, but is lively 

 toward dusk and flies well into the night ; coming occa- 

 sionally to sugar. Usually found about woods or their out- 

 skirts, and found locally in all the eastern and southern 

 counties of England, from the Scilly Islet to Oxfordshire and 

 Norfolk, and in the west to Westmoreland ; almost absent 

 from the Midlands, yet has been found in Northamptonshire 

 and Yorkshire, and rarely in Durham. I find no record for 

 Scotland, but in Ireland it has been taken in the Wicklow 

 mountains, Cork, Athlone, Sligo and Derry. Abroad it 

 inhabits Central and Southern Europe, South Scandinavia, 

 Asia Minor, Japan, Corea, and China. 



