TORTRICin^ -PERONEA. 235 



Aberdeenshire, Moray, Arran, and Renfrew. This is the 

 extent of its known range in these islands. Abroad it 

 inhabits the greater part of Central Europe, Northern Italy, 

 Spain, Corfu, and Western Russia. 



1 0. P. rufana, /SVA iff. ; autumnana, Hnl. — Expanse | to 

 ■J inch (15-21 mm.). Foro wings drab, whitish-drab or reddish- 

 drab, with longitudinal shades and black dusting ; apex acute. 



AntenuEe pale drab ; palpi, head, and thorax light brown ; 

 abdomen brown with a paler anal tuft. Fore wings rather 

 elongated, not broad ; costa arched to the middle, then 

 straight, apex acute ; drab, or pale yellow-brown, dusted on 

 the nervures with black, and edged toward the costa with 

 white; often a reddish or brown-drab or blackish shade 

 from the base traverses the wing to the apex, and sometimes 

 another lies parallel with the dorsal margin ; cilia pale buS. 

 Hind wings smoky drab, silky ; cilia paler. Female 

 smaller with a stouter body ; fore wings often with a 

 flattened costal triangle of grey dusting ; otherwise similar. 



Underside of the fore wings shining smoky yellow, with 

 the margins paler. Hind wings of the same colour. 



Variable on the lines indicated above ; often dusted or 

 shaded with white or with tawny-red or purple ; or the grey 

 costal triaugle of the female more or less obliterated, or with 

 similar grey dusting toward the costa. A frequent aberra- 

 tion has the entire fore wings reddish-grey or purplish-grey, 

 very like the last species, only recognisable from it by the 

 narrower wings with more acute apex. Another form, far 

 more rare, is almost wholly white with ochreous shades. 



On the wing from July till October, or even November, 

 but whether it hybernates or not does not seem to be clearly 

 ascertained. 



Larva only moderately active, cylindrical but slightly 

 tapering at each end ; segments rather swollen, but slightly 

 flattened ; smoky grey of various shades, becoming smoky 

 green when full grown ; raised spots distinct, shining, and 



