282 NOTODONTINA • [euchlaena 



streaked with darker ; 6-8 with a pale dorsal mark ; 5 and 1 2 

 with pairs of small prominences ; 9 with a quadrifid ridge, 

 outer points larger : on Salix, blackthorn, etc. ; 8-5. 



2. E. parallelaria, Schiff. (vespertaria, Stph.) 23-26 mm. 

 Head deep yellow, sides of face sometimes violet. Forewings 

 orange-yellow, strigulated and in $ veined with ferruginous ; 

 lines metallic, dark purple-leaden, first much curved or angu- 

 lated, continued on costa to base, second twice sinuate in $, 

 deeply sinuate in middle in $ , limiting a purplish or reddish- 

 brown terminal band ; a black discal dot. Hindwings as fore- 

 wings, bvit first line absent, second less sinuate. 



England to York, local ; N. and C. Europe, N. Asia ; 7, 8. 

 Larva ashy-grey ; dorsal line pale, darker-edged ; subdorsal pale 

 on 2-6 ; a dark mark on 6 ; some pale dorsal blotches on 

 incisions : on Salix caprea ; 5-7. 



3. E. apiciaria, Schiff. 25-29 mm. Head orange. Fore- 

 wings orange-yellow, sti'igulated and veined with ferruginous ; 

 first line metallic leaden and blackish, acutely angulated in 

 middle, continued on costa to base ; second black, sinuate, 

 running to apex, limiting a purplish terminal band ; a black 

 discal dot. Hindwings as forewings, but first line absent, 

 second running to costa. 



Britain to Sutherland, N. Ireland, rather common ; N. and 

 C. Europe, N. Asia ; 7-9. Larva ashy-grey, marked with 

 darker and lighter ; dorsal line pale, on 4 black, on 5-9 traversing 

 pale diamonds ; lateral pale on 4-10 : on Salix, hazel, etc. ; 6, 7. 



22. Selenia, Hb. 



Face with tuft of scales. Tongue developed. Antennae in 

 S bipectinated to apex. Palpi rough-scaled. Thorax densely 

 hairy beneath. Femora densely hairy ; posterior tibiae in cjnot 

 dilated. Forewings in S without fovea ; a transpai'ent scar on 

 transverse vein ; 6 out of 9, 11 rarely connected with 12 or 10. 

 Hindwings with a transparent scar on transverse vein ; 6 and 7 

 stalked. 



Includes only the following and two or three North American 

 species. 



1. Discal scar very obscure . . .1. bihmaria. 



„ ,, distinct . . . .2. 



2. Median and second lines costally approximated 2. lunaria. 



,, ,, ,, parallel . 3. tetralunaria. 



1. S. bilunaria, Esp. (il/unaria, Hb.) 34-41 mm. Forewings 



whitish-ochreous, sprinkled with grey or black, often strigulated 



