302 LEPIDOPTERA. 



have no doubt tliat, its habits in fens and marshes are quite 

 similar. There can be little or no doubt that in these 

 situations — as in Wicken Fen, Cambridgeshire, Hackney 

 Marshes, and Doncaster — its larva feeds in the shoots of 

 Trigloclmi palustre. Probably to be found in every salt 

 marsh on the English and Welsh coast ; recorded from the 

 Isle of Wight and Devon to Lancashire and Durham, and in 

 i*embrokeshire, but 1 find no record in Scotland or Ireland ; 

 and abroad onlj' in Holland and Germany. 



15. E. affinitana, Jhn;//. ; canceUana, Zdl. Expanse 

 X inch (12 mm.). Head, thorax, and fore wings pale 

 ochreous ; central band oblique, incomplete, very narrow, 

 reddish-ochreous. 



Antennse strongly ciliated, pale brown ; palpi and head 

 creamy-white; thorax pale buff; abdomen brown, the anal 

 tuft paler. Fore wings elongated, rather narrow ; costa 

 gently arched, apex bluntly rounded, hind margin 

 oblique ; pale buff or pale ochreous with faint silvery 

 clouding ; central band narrow, oblique, well defined near 

 the dorsal margin but faint or broken near the costa, reddish 

 ochreous ; towards the apex and hind margin are a few dots 

 of the same ; cilia bulf. Hind wings with their cilia smoky 

 brown. Female very similar but sometimes rather darker in 

 colour. 



Underside of the fore wings olive-brown, with dull yellow 

 dashes on the costa. Hind wings smoky white. 



Usually not variable, but occasional specimens have a 

 somewhat more leaden tinge. 



On the wing in May and June and as a partial second 

 generation in July and August. 



Larva stumpy, sluggish, dirty white, faintly tinged on the 

 back with grey, through which the dorsal line is per- 

 ceptible ; spiracular line also faintly grey ; head brown ; 

 dorsal plate black ; anal plate pale brown. 



July and September on Asier tripoliuni, feeding in the 



