102 LEPIDOPTERA. 



Antennas of the male simple, light iDrown ; palpi long, 

 slender, and pointed, drab dusted with brown ; head and 

 thorax pale ochreous ; abdomen silky pale yellow-brown. 

 Fore wings moderately elongated, very blunt ; costa gently 

 arched ; apex bluntly and squarely angulated ; hind margin 

 straight and almost perpendicular ; anal angle also nearly 

 squared ; colour very soft dull ochreous or yellow-brown, 

 shading paler toward the hind and dorsal margins ; longi- 

 tudinal stripe narrow — extremely so at the base — straight, 

 shining white, breaking up beyond the middle of the wing 

 into two fainter white streaks on uervures, its upper side 

 edged with black-brown dusting ; hind margin edged with 

 minute black dots ; cilia pale ochreous. Hind wings very 

 wide, rather angulated at the apex, and having the hind 

 margin less curved than is usual, tlie anal angle being full ; 

 smoky white or very jDale smoky brown, with streaks of paler 

 shading ; cilia smoky white. Female similar, sometimes a 

 little smaller. 



Underside of the fore wings smoky bronzy-ochreous, paler 

 toward the margins. Hind wings pale smoky brown. Body 

 and legs pale brown. 



On the wing in July and August. 



Larva stout, the head glossy black, dorsal plate also glossy, 

 black-brown, divided in the middle by a pale line; anal plate 

 light brown ; colour of the body warm brown, melting 

 gradually into rather lighter olivaceous, or ochreous-brown, 

 on the sides and undersurface ; dorsal vessel visible, faintly 

 darker ; raised dots warm brown, darkest on the back, each 

 bearing a fine dark hair ; spiracles round, black, ringed with 

 pale ochreous. (W. Buckler — condensed.) 



May and June, doubtless from the preceding autumn, upon 

 the species of Poa and other grasses, especially those which 

 grow in wet places ; in a green frass-covered tube or gallery 

 on the ground among the grass-stems, sometimes also 

 attached to a stone. Sorhagen says Poa inaritima, Ear- 



