The situations Avhere it is found are woods . 



The perfect insect appears in June and July. 



The caterpillar is rich brown, with a dark line along the 

 back, the first five segments having a slender white line 

 through the centre, a line composed of black streaks on 

 each side below it, and bordered above on its hinder por- 

 tion with pale brown; the side line pale brown. 



The date of the appearance of the caterpillar is in 

 September and on to March. 



It feeds on the knot grass (Polygonum aviculare}, and 

 other low plants. 



The chrysalis is found in a cocoon a little below the 

 surface. 



AGROTIS VALLIGERA. 

 ARCHED DART. 



Plate LI. Figure 6. 



Localities for this species are York, Sutton-on-Derwent, 

 New Brighton, Isle of Man, Sol way Frith, Tremori, 

 Birkenhead, Darlington, Edinburgh, Stowmarket, Deal, 

 Belcurrick. 



The situations where it is found are sand hills on 

 the coast. 



The perfect insect appears in July and August. 



The caterpillar is dull greenish grey, with a paler line 

 along the back and another on either side of it, and 

 two rows of black dots between them; also a row of 

 short white streaks on the lower part of the sides. 



The date of the appearance of the caterpillar is in 

 October and thence to May. 



It feeds on the roots of grasses. 



The chrysalis is subterranean. 



