202 NOTODONTINA [oalooau-e 



joined to form rings ; subterminal line whitish ; a blackish 

 discal mark ; cilia white-spotted. Hindwings as forewings, but 

 basal £ light fuscous, without striae, discal dot dark fuscous ; 

 termen subdentate. 



England, rather local ; N. and C. Europe, N. Asia, N. 

 America; 6, 7. Larva reddish-brown; spiracular line pale; 

 subspiracular dark brown ; head pale brown : on Salix and 

 aspen ; 8, 9. 



12. Phileremb, Hb. 



Face with cone of scales. Antennae in <$ ciliated. Palpi 

 rough-scaled. Abdomen in <? with claspers extremely large, 

 exserted. Forewings : areole double. Hindwings : 8 anasto- 

 mosing with cell to beyond middle. 



Besides the two following, an allied but doubtfully congeneric 

 species is found in Japan ; the genus may be correlated with the 

 preceding. 



Median baud dark fuscous, posterior edge acutely 



angulated . . .2. rhamnata. 



„ „ not darker, posterior edge obtusely 



angulated . . .1. vetulata. 



1. P. vetulata, Schiff. 22-28 mm. Forewings fuscous, with 

 indistinct darker striae ; posterior edge of median band angu- 

 lated near costa, followed by one or two whitish-ochreous costal 

 marks ; a dark fuscous discal dot. Hindwings fuscous-grey, 

 with faint darker striae and discal dot ; termen subdentate. 



England to Westmoreland, common ; C. Europe, N. Asia ; 



6, 7. Larva rather stout, blackish ; subdorsal and lateral lines 

 white; spiracular ochreous-yellow, black-spotted : on Rhamnus; 

 5, 6. 



2. P. rhamnata, Schiff. 27-35 mm. Forewings ochreous- 

 brown or dark brown, with darker angulated striae, on costa 

 sometime* separated by pale greyish-ochreous marks ; median 

 band dark fuscous, posterior edge acutely projecting beneath 

 costa; subterminal line sometimes pale greyish-ochreous; a 

 blackish discal dot. Hindwings as forewings, but median band 

 not darker, posterior edge dark fuscous, obtusely angulated ; 

 termen dentate. 



England to York, rather common ; C. Europe, Asia Minor ; 



7. Larva yellowish-green ; dorsal line darker ; subdorsal paler; 

 spiracular pale yellowish, on 10-13 purple-edged beneath; 13 

 purple above ; spiracles red : on lihamnus ; 5, 6. 



