36 



CARADRININA 



[lIYLOPHILA 



ciliated. Palpi short, ascending, with appressed scales. Thorax 

 thinly hairy beneath. Abdomen smooth-scaled. Tibiae smooth- 

 scaled. Forewings : 9 and 10 out of 8. Hindwings : 3 and 4 

 connate, 5 approximated to 4, 6 and 7 connate, 8 from middle 

 of cell. 



Two or three species found in temperate Asia are assigned to 

 the same genus. Larva without hair-tufts. Cocoon boat-shaped. 



1. H. bicolorana, Fuesl. (quercaiia, SchifF.) 40-45 mm. Head 

 green, face red beneath. Forewings bright green ; costal edge 

 pale yellowish ; first and second lines straight, oblique, parallel, 

 pale yellowish ; cilia white. Hindwings white. 



S. England to Hereford and Norfolk, E. and W. Ireland, not 

 unconunon ; C. and S. Europe, WC. Asia to N. Persia ; 7. 

 Larva green ; subdorsal line yellowish : on oak ; 5. 



Head rou2;h-haired. 



14. Halias, Tr. 



Ocelli present. Antennae slightly fusi- 

 form, in (^ simple. Palpi moder- 

 ately long, ascending, rougli-haired. 

 Thorax hairy beneath. Abdomen 

 liairy towards base. Tibiae smooth- 

 scaled. Forewings : 9 and 10 out 

 of 8. Hindwings : 3 and 4 stalked, 

 5 approximated to 4, 6 and 7 

 connate, 8 from before middle of cell. 

 Perhaps confined to the single 

 species. Larva without hair-tufts. 

 Cocoon boat-sha])ed. Although show- 

 ing relationship to the group of 

 CaUimorpha and the exotic family 

 Agaristidae (which also originate from CaUimorpha), the actual 

 ancestry of this curious form is obscure. 



1. H. prasinana, L. 31-35 mm. Head green, sides of face 

 red. Antennae reddish. Forewings green, median area darker ; 

 costal edge posteriorly crimson ; first, second, and subtcrminal 

 lines snow-white, nearly straight, oblique, parallel, first and 

 second more or loss suft'used ; cilia crimson, more or less mixed 

 with yellow. Hindwings in $ light yellowish, in 5 white. 



Britain to Ross, N. and E. Ireland, common ; N. and C. 

 Europe, N. Asia ; 5, G. Larva light green, sprinkled with 

 yellow dots ; subdoi-sal line yellow ; anterior edge of 2 reddish : 

 on oak, beech, hazel, etc.; 7-9. The imago makes a peculiar 

 stridulatory noise when flying. 



Neuratiiiii of IlnJInf: j^msitinna. 



