CRAMBID^—CRAMBUS. 121 



angnlated hack to the costa; this line is edged outside with 

 silvery scales ; beyond it is a similar oblique streak across 

 the apex ; cilia pale grey-brown, with a brilliant golden 

 gloss. Hind wings broad, rounded behind, smoky grey, 

 with whiter cilia. Female much paler, the fore wings often 

 yellowish-white or brownish-white, and narrower in shape. 



Underside of the fore wings pale smoky brown, darker 

 along the costa, more yellowish-brown behind ; cilia glisten- 

 ing. Hind wings smoky white. 



Kather variable in depth of colour and in the distinctness, 

 or even absence, of the longitudinal bronzy-brown lines. A 

 form of occasional occurrence has a very slender and oblique 

 central brown transverse line. 



Oq the wing in Juno and July. 



Larva half an inch long, and of average proportions, the 

 head has the lobes rounded and is very highly polished, pale 

 yellowish- brown in some specimens, in others very dark 

 sienna-brown ; dorsal plate of some shade of brown ; body 

 rounded above but flattened beneath, of tolerably even width, 

 the skin glossy, and the segmental divisions well defined, 

 dingy purplish-brown with a semi-translucent appearance, 

 without markings, but the raised dots brown or black, and 

 spiracles black. (G. T. Porritt.) 



Autumn till April or Maj- on grass, living in a silken 

 gallery at the roots. Fischer says that it hybernates under 

 moss or stones ; but it seems to be generally reputed on the 

 Continent to feed on moss. In North America Professor 

 Fernald says, "Food grass, cranberry, and sheep-sorrel." 



Pupa nearly uniform, pale honey-yellow, more pallid 

 beneath ; the wings, excepting at base, with a very slight 

 olivaceous tinge ; all the thoracic, and the first two abdo- 

 minal segments, as well as the wings and legs, finely edged 

 at the margins with dark chestnut, darkest near the head ; 

 spiracles fuscous; cremaster blackish or blackish-fuscous. 

 (Scudder.) 



