SCOPARHD.il—SCOPAHIA. 333 



Underside of the fore wings smoky grey, clouded witli 

 darlver. Hind wiugs smoky white, with a broad cloudy 

 band beyond the middle, and a faint smoky central spot. 

 Body and legs white. 



Hardly variable, except that the clouding and dusting of 

 the fore wings is sometimes of a browner tinge. Best recog- 

 nisable by the lung narrow fore wings, their pretty mossed 

 and mottled aspect, and the round white dots of the stigmata. 



( )n the wing fi'om July till September. 



L.^UVA half an inch long, of moderate bulk, segments plump, 

 with deeply cut divisions ; head highly polished, intensely 

 black, with the lobes rounded, rather smaller than the second 

 segment, into which it can be partially withdrawn ; ground 

 colour dark olive-green, throwing into rather sti-iking relief 

 two whitish-grey or cream-coloured transverse streaks on 

 each segment, the front streak being broader and larger 

 than that behind ; on these streaks are placed the intensely 

 black raised dots, which are large and glossy, and as broad 

 as the streaks, thus appearing to divide them into sections : 

 an irregular gi-eyish stripe extends along the spiracular 

 region, and on each segment below this is a small black spot : 

 dorsal plate intense glossy black : sjiiracles black ; ventral 

 area and prolegs dingy dark olive-green, on the outside of 

 each of the latter is a black spot; anterior legs encircled 

 with black. (G. T. Porritt.) 



April till June or even July — probably from the previous 

 autumn — on ranmlia. parictina, P. olivacea and other lichens 

 growing on palings or the branches and twigs of hawthorn, 

 blackthorn, elm, and other trees, or on stone walls and roofs. 



Pupa apparently undescribed and unnoticed. 



The moth usually sits on old lichen-covered branches of 

 elm or apple, and in similar thick bushes of hawthorn or 

 blackthorn, but not commonly on tree-trunks or walls; yet 

 may sometimes be found hiding in old thatch ; and when 



