JTALCARIA] DREPANIDAE 317 



ceded by an oval blackish spot in middle ; two blackish dots 

 longitudinally placed in disc, second larger ; a deep brown 

 curved line from apex to dorsum at J ; an interrupted dark 

 fuscous postsubterminal line ; termen below apex suffused with 

 dark brown. Hindwings with ground as forewings ; five waved 

 lines and a discal dot dark fuscous. 



Britain to Ross, S. Ireland, common ; N. and C. Europe, 

 Asia Minor; 5, 8. Larva green; dorsal area red-brown, on 

 2-5 sometimes green ; on 3-6 pairs of tubercular prominences 

 bearing a few hairs; on 7-12 much smaller similar tubercles: 

 on birch, oak, Salix, etc.; 6, 7, 9. 



3. DREPANA, Schrk. 



Head smooth. Tongue developed. Antennae in $ bipecti- 

 nated, towards apex simple. Posterior tibiae with all spurs 

 present. Forewings : 6 out of 7 near base. Hindwings : 8 

 approximated to 7 near beyond its origin. 



A genus of some extent, mainly Asiatic, but extending into 

 Europe and North America. Larva with two tubercular pro- 

 minences on 4. 



1. Forewings with darker discal yellow-marked blotch 



1. harpagula. 

 without yellow-marked blotch . 2. 



2. Forewings with one dark discal dot . 3. cultraria. 



,, two dark discal dots . 2. binaria. 



1. D. harpagula, Esp. (sicula, Hb.) 33-39 mm. Forewings 

 deep brownish-ochreous, dusted with bluish-silvery; first and 

 second lines darker, waved, slightly curved, second black- 

 marked in middle ; an irregular bilobed tawny discal blotch, 

 containing several small yellowish spots ; an ashy terminal 

 fascia not reaching margins, subterminal line within it blackish- 

 edged, waved; termen prominent below middle. Hindwings 

 with colour, first and second lines, and smaller discal blotch as 

 in forewings ; subterminal faint. 



Somerset (near Bristol), other records doubtful, very local ; 

 C. Europe ; 5, 6. Larva yellow, speckled with dark brown ; 

 2-4 brownish-suffused ; a lateral pinkish-brown stripe waved so 

 as to be strongly prominent upwards on 6 and 7 : on Tilia 

 parvifolia ; 7-9. 



2. D. binaria, Hufn. (hamula, Esp.) 26-32 mm. Forewings 

 ochreous -brown ; lines indistinct, pale, first curved, second 

 curved above middle ; two blackish dots obliquely placed in 

 disc ; a blackish apical mark. Hindwings ochreous -brown, 



