320 LEPlDOPrERA. 



Fore wings pale yellow, with two complete and very slender 

 oblique, chocolate, transverse stripes. 



Antenna) yellow-brown ; palpi, head, and thorax pale 

 primrose ; abdomen brown. Fore wings narrow, elongated ; 

 costa nearly straight; apex bluntly rounded, hind margin 

 oblique ; pale yellow, with two slender and very oblique red- 

 brown transverse stripes, the first constricted near the dorsal 

 margin, but both complete and well defined ; cilia pale 

 yellow. Hind wings narrow, rather pointed, smoky white ; 

 cilia white. Female similar. 



Underside of the fore wings pale leaden-brown ; costa 

 edged with yellow ; cilia white. Hind wings leaden-white 

 with white cilia. 



From the end of June till August or even September in 

 one generation. 



Larva short, plump, cylindrical, dirty yellowish-white ; 

 head black ; dorsal plate faintly brown, with two dark brown 

 spots at the hinder edge ; anal plate small, faintly brownish, 

 with a dark spot in the middle. 



September and October on Daucus carota (wild carrot) and 

 Ferula communis, when young entering the seed-head and 

 devouring the substance of the seeds, later entering the 

 stems, burrowing down through the pith, which it eats, 

 sometimes to the root of the plant, then returning, still 

 eating the pith, and leaving its tunnel full of excrement, 

 and finally making a chamber in the stem in which to 

 assume the pupa state. 



Pupa light lirown, not more fully described. 



This very pretty species is especially attached to tlie coast, 

 more particularly on chalk, oolite, and limestone soils, and is 

 often common about seaside rocks and hills, hiding among 

 herbage generally, but especially among wild carrot, and 

 tlying up actively whenever disturbed ; also common inland 

 upon chalk downs, and especially quarries and broken ground; 

 Hying naturally at sunset and later. Tolerably common on 



