300 NOTODONTINA [SMERINTHUS 



Asia; 5, 6. Larva green, yellow - dotted ; on 5-11 a series of 

 yellow oblique lateral stripes ; spiracles red ; sometimes a 

 subdorsal series of red spots ; horn yellow : on poplar and 

 Salix; 7-9. 



2. S. ocellatus, L. 70-88 mm. Thorax with very dark 

 brown central blotch. Forewings pale rosy -brownish, with 

 cloudy brown striae ; first line darker brown, angulated below 

 middle ; discal spot outlined with brown ; lower half of median 

 band, and a large terminal subapical blotch dark brown; 

 termen somewhat prominent on 3. Hindwings rosy, pos- 

 teriorly light ochreous-brownish ; a round black blotch above 

 tornus, enclosing a dark grey spot encircled with pale bluish. 



England, common ; Europe, N. and WC. Asia ; 5, 6. Larva 

 green, white - dotted ; on 5-11 a series of white oblique lateral 

 stripes ; spiracles red -circled ; sometimes a subdorsal series of 

 red spots ; horn light blue : on apple, Salix, and poplar ; 7-9. 



7. DILINA, Dalm. 



Tongue short, imperfect. Antennae less than J, stout, 

 thickest towards middle, not lamellated. Abdomen stout, 

 with appressed scales, pointed. Tibiae with appressed scales, 

 all spurs present. 



Besides the single European species there are perhaps one 

 or two others in Asia. 



1. D. tiliae, L. 66-75 mm. Forewings flesh-colour, greyish- 

 tinged ; two subbasal and second lines very obscurely greenish- 

 grey; a dark olive-green central fascia, interrupted below 

 middle, with strong posterior median projection ; a yellowish- 

 olive-green terminal band, including a whitish costal suffusion ; 

 termen irregularly excavated in middle and above tornus. 

 Hindwings yellow-ochreous or dull greenish, disc greyer ; basal 

 area blackish-mixed ; a cloudy blackish subterminal fascia. 



England to York, common ; Europe, N. Asia ; 5, 6. Larva 

 green, yellow-dotted; on 5-11 a series of yellow oblique lateral 

 stripes, marked with red above ; spiracles red ; horn blue above, 

 red and yellow beneath : on lime (Tilia) and elm ; 7-9. The 

 imago appears to have a protective resemblance to a pair of 

 half-expanded lime-leaves. 



8. NOTODONTIDAE. 



Head densely rough - haired. Ocelli present. Tongue 

 usually developed. Thorax densely hairy beneath. Femora 



