160 TORTRICINA. 



The imago affects heathy places, and is exceedingly abundant 

 on the Moors in the north of England and south of Scotland ; 

 it is also taken, but sparingly, in the south of England, at the 

 New Forest, near Ashdown Forest, West Wickham Wood, Dart- 

 ford Heath, and Wimbledon Common. It occurs in September, 

 October, and November ; hybernating, and may be captured, up 

 to April in the following spring. 



Genus II. OXYGRAPHA, HUBNER. 



Palpi longer than the head, appressed, porrected horizontally, 

 densely clothed with short scales. Basal joint curved, as long as the 

 apical, which is cylindrical, acute at the apex, slightly drooping ; 

 middle joint three times the length of the apical, thickest beyond 

 the middle, its clothing enveloping the apical joint. Maxilla? as long 

 as the palpi. Thorax globose, trigonate behind, with a small crest. 

 Anterior wings : with numerous tufts of elevated scales disposed 

 over the surface ; length more than twice the width. Costa obtusely 

 arched at the base, concave in the middle, and arcuated towards 

 the apex; roughly ciliated before and beyond the middle. Apex 

 slightly produced ; apical and dorsal margins slightly rounded. 

 The discoidal cell is situated in the middle of the wing, and extends 

 scarcely two- thirds its length, widest in the middle. The costal vein 

 reaches the costa before the middle. Posterior wings obovate ; apex 

 acute ; apical and dorsal margins slightly concave ; basal angle pro- 

 duced. Abdomen long, slender, in the tf tufted at the apex. 



The insects located in this genus are four in number, form a 

 very natural group, and are of uncommon occurrence, appearing 

 mostly in the autumn. The larva? are almost entirely unknown ; 

 some of the species have been bred, but their preparatory states 

 have not been recorded. As a whole, the perfect insects bear 

 considerable resemblance to each other, but are very different in 

 regard to size. 



The four British species are thus arranged : 



A. Anterior wings green, with markings and spots of 



various colours, chiefly black Species 1 



B. Anterior wings white, or very pale grey, with 



black or cinereous markings Species 2-4 



1. liter ana, Linn. Alis anticis viridibus scabris; characteribus atris 

 notatis ; posticis fusco-griseis. tf Exp. al. 10 lin. 



Head dull, delicate pale green. Face paler. Eyes black. Palpi : 

 above very pale green, sometimes almost white, but with a greenish 

 tinge ; same colour at the sides above ; below fuscous, sometimes 



