258 NOTODONTINA [OPISTHOGRAPTIS 



dark fuscous ; first, median, second, and praesubterminal lines 

 dark fuscous, irregular : cilia white, barred with dark fuscous. 

 Hind wings as fore wings, but first line absent. A dark fuscous 

 variety with pale subterminal spots is not unfrequent. 



Britain to the Clyde, Ireland, common ; Europe, WC. and 

 N. Asia ; 5, 6. Larva green ; dorsal line double, white ; sub- 

 dorsal narrow, white ; lateral and spiracular white ; incisions 

 yellowish ; head slightly bifid : on Trifolium, Medicago, etc. ; 

 8-4. 



5. 0. luteolata, L. (crataegata, L.) 29-38 mm. Head yellow, 

 lower part of face ferruginous. Antennae in <$ filiform. Fore- 

 wings yellow ; three or four ferruginous costal spots, last large ; 

 first line, second, and part of praesubterminal grey, waved, in- 

 terrupted ; a linear whitish ferruginous-margined discal mark. 

 Hindwings yellow ; second and praesubterminal lines as in fore- 

 wings ; a grey discal dot. 



Britain to the Hebrides, Ireland, common ; Europe, WC. 

 and N. Asia, N. Africa; 5, 6. Larva with rudimentary pro- 

 legs on 8 and 9 ; pale brown, sometimes purplish or greenish- 

 tinged ; a pointed projection on 7, directed forwards ; two 

 smaller projections on 9 : on hawthorn, birch, etc.; 7-4. 



2. DIASTICTIS, Hb. 



Face with appressed scales or short tuft. Tongue developed. 

 Antennae in $ bipectinated, apex simple. Palpi rough-scaled. 

 Thorax hairy beneath. Femora glabrous ; posterior tibiae in 

 $ dilated. Fore wings in $ with fovea ; 10 often connected or 

 anastomosing with 12 and 9, 11 usually absent, or out of 10 

 above middle, or if lower anastomosing with 12. 



A large genus, more or less cosmopolitan ; derived from 

 Selidosema. 



1. Wings ferruginous-ochreous . 1. brunneata. 



not ochreous 



2. Lines distinct throughout 



nearly obsolete . . 2. wauaria 



3. Discal mark whitish, dark-margined . 4. consortaria. 



wholly dark fuscous . 3. roboraria. 



1. D. brunneata, Thnb. (pinetaria, Hb.) 24-26 mm. Head 

 ferruginous-ochreous. Forewings ferruginous-ochreous, strigu- 

 lated with darker; first, median, second, and praesubterminal 

 lines fuscous, subsinuate. Hindwings as forewings, but lines 

 less distinct, first absent ; a fuscous discal dot. 



Perth to Ross, common; N. and C. Europe, N. Asia, N. 



