136 TORTRICINA. 



ing an arch in the middle, followed by a bend downwards, and then 

 in a straight direction to the apex. The part above this line is drab 

 at the base, near the costa; but at the middle of the base, and at the 

 apex, it is ferruginous brown, with a red tinge, gradually deepening 

 towards the latter and the central streak. The costa marked through- 

 out with fine streaks. The dorsal portion of the wing drab or whitish, 

 irrorated with dusky atoms, as well as near the base, towards the 

 costa ; a row of fuscous scales along the apical margin. Apical scales 

 whitish. Cilia grey. Posterior wings pale grey at the base, slightly 

 fuscous at the apex. Marginal scales pale fuscous, with paler bases. 

 Cilia grey. Abdomen and caudal tuft pale fuscous. $ Exp. al. 7 lin. 



An uncommon species, slightly variable in size, and in the 

 intensity of its colours. Somewhat smaller than Anch. Mitter- 

 bacheriana, and much less than A. biarcuana, which latter insect 

 it much resembles, but may be distinguished from it by the 

 undulating longitudinal line across the wing being only ONCE 

 arched instead of TWICE, as in this latter species. 



The imago appears in June and July throughout the south of 

 England, affecting Sallows. 



6. biarcuana, Steph. Alis anticis griseis ; in medio brunneis ; ad 

 marginem dorsalem griseis ; linea longitudinali biarcuata albida ; 

 posticis griseisve, albicantibus. rf Exp. al. 7-J 8 lin. 



Head and face varying from dull drab to pale grey. Eyes black. 

 Palpi above and at the sides fuscous or drab, paler beneath. Antennae : 

 above fuscous, drab beneath. Thorax fuscous, paler in front. Pa- 

 tagia same colour as the thorax. Anterior wings very pale drab, 

 with brown markings, and irrorated with dusky atoms. Near the 

 base, on the dorsal margin, commences a white wavy line, which 

 arches twice in its course, terminating at the apical margin, and 

 dividing the wing into two portions; that towards the costa is clouded 

 with brown, softening off into pale drab ; the dorsal portion is irro- 

 rated with dusky atoms, and regularly maculated with dark fuscous 

 on the margin. The roundish space at the anal angle represents the 

 ocelloid patch, in which, on the dorsal margin, is a pale brown elon- 

 gated mark. The costa is streaked throughout, the streaks near the 

 base faintest and smallest ; those towards the apex are geminated 

 and produced to a point in the margin below the apical spot ; one or 

 two sharply- defined deep brown longitudinal short streaks are placed 

 before the apex ; extreme margin edged with brown. Apical scales 

 white. Cilia very pale grey or drab. Posterior wings pale fuscous, 

 with a pearly lustre ; some dusky spots at the apex beneath, visible 

 through the upper surface. Apical scales straw-colour, with whitish 

 bases. Cilia straw-colour. Abdomen fuscous ; the caudal tuft sub- 

 ochreous. 



An uncommon species; well figured in Wood's ' Index Ent.' 



