SESIID^. 99 



with two or three very slender pale yellow or whitish belts, 

 and a slender faint yellow line down the middle of the back ; 

 anal tuft in the male black-brown, in the female with two 

 yellow stripes. Fore wings blackish-brown at the base, and 

 with the costal and dorsal margins and median nervure 

 broadly dark bronzy-brown ; hind margin narrowly the same ; 

 apical space yellowish or whitish, edged internally with 

 bronzy-brown, and divided by the dark nervures ; transverse 

 bar broad and complete, bronzy-black, faintly edged outside 

 with reddish ; before it is a narrow triangular semi-transparent 

 longitudinal space, and between it and the apical blotch 

 another semi-transparent space, rather rounded and divided 

 by dark nervures, both these semi-transparent spaces being 

 slightly obscured by yellowish-white scales ; extreme mar- 

 gin of the costa beyond the middle whitish. Hind wings 

 transparent with purple iridescence ; nervures blackish ; 

 central spot black ; margins bronzy-brown. Cilia of all the 

 wings bronzy-brown, whitish at the tips. Undei side of the 

 fore wings like the upper, except that the costal margin is 

 whitish ; hind wings iridescent purple, with dark margins ; 

 palpi and front of the thorax white ; remainder of the under 

 parts silvery-brown or bronzy-brown. 

 On the wing in June and July. 



Larva plump but rather flattened, tapering from the 

 fourth segment to the tail ; rounded behind. Head rather 

 small, pale brown ; dorsal plate horn-colour ; body yellowish- 

 white, with the dorsal line faintly darker from the greyish 

 dorsal vessel showing through ; legs whitish ; prolegs ex- 

 tremely minute, yellowish ; spiracles black ; anal segment 

 furnished with a few bristles. In the root-stocks of Statice 

 armeria (otherwise Armeria maritimci) (Thrift), more espe- 

 cially in the small plants which grow on coast rocks close to 

 high-tide mark, feeding down into the long root-stem which 

 penetrates a deep chink of the rock. 



August to June. 



