CARADRININA 



[LITHOSIA 



2. LITHOSIA, F. 



Head smooth. Ocelli absent. Antennae in ciliated, with 

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

 ing, shortly rough-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- 



Neuration of Lithosia lurideola : a, por- 

 tion of (J antenna. 



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

 though curious, is of no importance. 



1. Forewings with several black dots . 6. muscerda. 



without black dots . . .2. 



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. 



4. Costal streak attenuated to a point . 



equally wide throughout . 



5. Hindwings light yellowish . . 



more or less grey . . 



6. Forewings rather dark grey . . 



yellowish-grey . 



7. Forewings with basal subcostal orange suffusion 



5. deplana<$ 

 ,, without orange subcostal suffusion 



8. Costa of forewings hardly arched 1. lutarella. 



,, moderately arched . .9. 



9. Hindwings whitish . 8. caniola. 



,, pale yellowish or grey . 7. griseola. 



1. L. lutarella, L. (pygmaeola, Dbld.) 24-28 mm. Head 



ochreous-yellow, face sometimes grey. Forewings with costa 



3. complana. 



. 5. 

 4. lurideola. 



.6. 



2. sericea. 



