246 NOTODONTINA [LEUCOPHTHALMIA 



median. Hindwings as forewings, but discal dot sometimes 

 grey-circled. 



England to York, common ; C. Europe ; 5, 6. Larva reddish- 

 brown, with yellow markings : on beech ; 8, 9. 



6. L. annulata, Schulze (omicronaria, Hb.) 20-23 mm. Head 

 ochreous-white, upper part of face ochreous-fuscous. Fore wings 

 yellow -whitish, posteriorly suffused with ochreous - yellowish ; 

 first and second lines irregularly dentate, blackish ; median 

 dentate, dark grey, suffused into second ; praesubterminal 

 grey, indistinct ; a black discal ring before median. Hindwings 

 as forewings, but discal ring touching median line, which is 

 obsolete above it. 



England, rather common; C. Europe, Asia Minor; 5, 6. 

 Larva green ; dorsal and subdorsal lines yellow ; incisions 

 yellowish ; head reddish-brown : on maple ; 7, 8. 



6. CALOTHYSANIS, Hb. 



Antennae in $ bipectinated, towards apex simple. Pos- 

 terior tibiae in $ and $ with all spurs present. Hindwings : 

 6 and 7 stalked. 



A rather small Indo- Malay an genus, of which the single 

 strictly European species is a straggler. 



1. 0. amata, L. (amataria, L.) 27-31 mm. Face dark 

 crimson -fuscous, fillet white, collar brownish -ochreous. Fore- 

 wings whitish -ochreous, much sprinkled with grey; first line 

 faint; median dark red, straight, running to apex; second 

 grey, sinuate, confluent above with median ; a grey linear discal 

 dot ; a deep crimson terminal line. Hindwings as forewings, 

 but first line and discal dot absent, median to middle of costa, 

 second to before apex ; termen caudate-angulated. 



Britain to Caledonian Canal, S. Ireland, common (scarce in 

 Scotland) ; Europe, WC. and N. Asia ; 6, 7. Larva brownish- 

 grey ; dorsal and subdorsal lines whitish; 6-9 with double 

 dorsal fuscous spot ; head brown : on Rwmex, etc. ; 8-5. 



3. GEOMETKIDAE. 



Face smooth. Tongue developed. Forewings: 10 rising 

 out of 9. Hindwings : 5 fully developed, approximated to 6 

 towards base, rising much above middle of transverse vein, 8 

 shortly anastomosing or connected with or appressed to upper 

 margin of cell near base, thence rapidly diverging or sometimes 

 approximated to near middle. 



