36 LEPIDOPTERA. 



1. A. Angustella, //»/'. — Expanse \ inch (17-20 mm.). 

 Fore ^vings very narrow, glossy brownish-drab with an erect 

 black blotch of raised scales before the first line, and a series 

 of black streaks and angles beyond. Hind wings white. 



Antenna? of the male thick at the base, the second joint 

 also thickened and then bent into a curve, simple, brown ; 

 palpi rather long, projecting and then bent up, light brown ; 

 head and thorax pale brown or grey -brown ; abdomen pale 

 purplish-brown. Fore wings elongated, narrow, the costa 

 nearly straight ; apex bluntly angulated ; hind margin 

 faintly curved ; pale brownish-drab ; with numerous short 

 scattered thin black streaks, mostlj- along nervures ; at a 

 short distance from the base a perpendicular bar of uptilted 

 black scales reaches from the dorsal margin nearly to the 

 costal ; this is preceded by a very fine erect black line, and 

 followed bj' the usual first line, double, waved, indented, and 

 composed of black atoms ; second line hardly perceptible^ 

 yet indicated by an arrangement of the dark streaks already 

 mentioned ; hind margin faintly dotted with black ; cilia 

 gi'ey-brown. Hind wings moderately ample, rounded behind,^ 

 white, tinged toward the hind margin with smoky-brown ; 

 cilia white. Female similar, with threadlike antennae. 



Underside of the fore wings pale smoky-brown, shining ; 

 hind wings also shining, white, with a brown front margin. 

 Body pale brown. 



Not variable, but when freshly emerged the fore wings 

 have a delicate tint of pink, which soon fades after death, or 

 flight. 



On the wing from May till July, and specimens of a very 

 partial second generation have been reared in September 

 and October. 



Larva half an inch long, and of moderate proportionate 

 bulk ; head highly polished, a little narrower than the second 

 segment, brown with darker brown markings ; body cylin- 

 drical, the skin soft, dull dingy green ; a dark green 



