324 LASIOCAMPINA [ODONESTIS 



placed, upper smaller; second linesubshmate,dark brown,nmning 

 to apex ; praesubterminal obscure, fuscous, waved. Hindwings 

 ochreous-yellowish, in <$ wholly, in <j? posteriorly suffused with 

 brownish ; an indistinct darker postmedian line running to 

 apex. 



Britain to Argyll, N. Ireland, common ; C. Europe, N. Asia ; 

 7. Larva blue-grey, finely black-sprinkled and yellow-dotted ; 

 some orange spiracular marks ; hairs light yellow-brownish ; 

 subdorsal series of short black hair-tufts ; spiracular series of 

 white hair-tufts ; two long tufts on 2, and a long blackish tuft 

 on 12 : on grass; 9-5. 



5. GASTROPACHA, 0. 



Palpi long or moderately long. Forewings with strong 

 rounded dorsal prominence on apex of 

 Ib ; 6 and 7 stalked, 8 sometimes out 

 of 7, 9 to termen or apex. Hind- 

 wings : 4 and 5 sometimes stalked, 6 

 and 7 approximated at base from 

 angle, 8 connected with cell by long 

 oblique bar or anastomosing with 7 

 near origin, from one to six pseudo- 

 Hindwing of GcustropacJia neuria present. 



A small European and Asiatic 



genus. In repose the dilated costal area of the hindwings 

 projects much beyond the fore wings, causing a very leaf -like 

 appearance. 



Termen dentate ; hindwings with six pseudoneuria 



1. quercifolia. 

 not dentate ; hindwings with one or two 



pseudoneuria . . .2. ilicifolia. 



1. G. quercifolia, L. 52-80 mm. Forewings with 9 to ter- 

 men ; red-brown, with purple-bluish gloss, towards costa black- 

 ish-mixed, dorsally ferruginous; first, second, and praesubterminal 

 lines blackish-grey, waved, bent near costa; a blackish-grey 

 discal mark ; termen waved-dentate. Hindwings as forewings, 

 but lines indistinct, straight, costal area ferruginous, with about 

 six blackish pseudoneuria ; 8 connected with cell by long bar. 



England to York, less common than formerly; C. Europe, 

 N. and WC. Asia ; 6. Larva dark grey or brown ; whitish dorsal 

 marks on 3 and 4 ; 2nd and 3rd incisions deep indigo-blue ; a 

 prominence on 1 2 ; a subspiracular series of tubercles and fringe 

 of pale hairs : on hawthorn, blackthorn, and Salix ; 9-5. 



