26 



CAKADRININA 



[lithosia 



2. Lithosia, F. 



Head smootli. Ocelli alisent. Antennae in c^ ciliated, with 

 longer setae at joints. Palpi moderate or short, siibascend- 

 ing, shortly rongh-scaled. Thorax smooth beneath. Abdomen 



rough -haired towards base. 

 Tibiae smooth - scaled. Fore- 

 wings: 3 and 4 stalked, 5 

 absent, 7 and 8 out of 9, 10 

 separate or connected by bar 

 with 9, 11 anastomosing with 

 12. Hind wings: 3 and 4 stalked, 

 5 absent, 6 and 7 stalked, 8 from 

 middle of cell. 



A genus of some extent in 

 the Indo- Malayan region, less 

 numerous in Europe. Imago 

 with forewings very elongate. 

 Larva with tufts of rather short 

 hairs. The variation of struc- 

 ture in vein 10 of the forewings occurs in all the species, and, 

 though curious, is of no importance. 



Neuration of Lithosia luridtola : 

 tion of (J antenna. 



a, por- 



1. 



4. 



6 



7. 



Forewings with several black dots . 6. muscerda. 



,, without black dots . . .2. 



Forewings wholly orange . . 9. sororcula. 



,, not orange . . . .3. 



Forewings with a costal orange or ochreous streak 4. 

 ,, with at most costal edge orange . 7. 



3. complana. 



5. 

 4. limdeola. 

 . 6. 

 2. sericea. 



5. deplana 9 



Costal streak attenuated to a point 



,, equally wide thi'oughout 



5. Hindwings light yellowish 



,, more or less grey 



Forewings rather dark grey 



„ yellowish-grey 



Forewings with basal subcostal orange suffusion 



5. deplana $ 

 ,, without orange subcostal suft'usion 8. 



8. Costa of forewings hardly arched . 1. Intnre/la. 



,, ,, moderately arched . . 9. 



9. Hindwings whitish ... 8. aun'o/d. 



l)ale yellowish or grey .' 7. r/riseo/a. 



1. L. lutarella, L. (jri/'/inaeola, Dbld.) 24-28 nmi. Head 



ochreous-yellow, face sometimes grey. Forewings with eosta 



