22 



STKTOMID^. 



Fig. 7. — Larva of Etwhromia polymelia. 

 (From ' Moths of India,' Tol.'i.) 



Larva with prothoracic shield ; no hairs from the skin, the 

 tubercles with many hairs, many species with long tufts on the 



anterior and posterior somites ; 

 tubercles all present or with 

 slight tendency to unequal 

 reduction or equally reduced ; 

 somites 4 to 13 with (i) an- 

 terior tubercle in subdorsal 

 space, (ii) the subdorsal pos- 

 terior row, (iii) the suprastig- 

 matal anterior row, (iv) the 

 stigmatal row behind spiracles, 

 (v) substigmatal anterior, (vi) substigmatal posterior, (vii) 3 or 4 



tubercles on outer side of base of leg, 

 (viii) ventral on inner side of leg ; 

 tubercles iv, v remote, or iv sometimes 

 absent, not more than two tubercles 

 being placed on the middle annulet of 

 somite and usually one, but not more, on 

 the posterior annulet ; the ventral prologs 

 with hooks on inner side only. The 

 larva feeds exposed, and forms a cocoon 

 of silk and hair or the latter only. 



Pupa smooth, rounded, externally 

 solid, the inner dissejdments weak ; free 

 somites the 8th and 9th ; does not 

 emerge from cocoon ; dehiscence by 



post 



Fig. 8. 



TjdLYy&oiE'nipyrcumapugione. 



Somite vi. 



irregular f vacture. 



Key to the Genera. 



A. Ilind wing with veins 6, 7 coincident. 

 a. Hind wing with vein 4 absent. 

 a^. Hind wing with vein 3 absent. 



Proboscis aborted ; palpi iipturufd Zatrephes, p. 474. 



b-. Proboscis well developed ; palpi porrect. 



«■''. Thorax clothed with long hair below. 



li^. Thorax smoothly scaled below 



i'. Hind wing with vein 3 present. 

 a^. Hind wing with vein 6 from lower angle of cell 

 or stalked with 3. 



a^. Fore wing with veins 8, 9, 10 absent 



b^. Fore wing with vein 9 absent, 8 and 10 present. 



c*. Fore wing with veins 4, 5 stalked 



b*. Fore wing with veins 4, 5 from cell. 

 a^. Abdomen with the terminal segments dilated 



and hairy 



6'. Abdomen with the terminal segments not 



dilated 



c^. Fore wing with vein 9 present, 

 a'. Fore wing wdth veins 2, 3 stalked or from a 



point 



h^. Fore wing with veins 2, 3 well separated at 

 origin, 

 fl*. Fore wing with vein fi anastomosing with 7 

 near a pex 



EcTOMis, p. 34. 

 Ceryx, p. 35. 



Thylacoptera, p. 52. 



PSEUDONACLIA, p. 127. 



PsicHOToii, p. 32. 



MiCRONACLIA, p. 128. 



Myopsyche, p. 48. 



[p. 52. 

 Streptophlebia, 



