37'8 LEPIDOPTERA. 



On the wing in July and Augaist. 



Larva slender and uniformly cylindrical ; head and plate 

 on the second segment of a translucent greenish tint, and 

 there is a black mark on each side of the mouth. Ground 

 colour of the body olive-green above; spiracular region light 

 sulphur-yellow ; under- surface greenish ; on the back a fine 

 thread-like line of yellowish or pale grey, enclosed by two 

 others of dark grey, forms the dorsal line, and passes through 

 a series of slate-coloured ellipses ; subdorsal line narrow, 

 slate colour, beginning at the third segment, and after the 

 fifth merging into a broad lateral stripe (which commences 

 on the second segment) of dark slate-grey, most intense at its 

 lower edge ; just above which, on each segment, is a blackish 

 shining tubercle furnished with a bristle ; ordinary dorsal 

 raised dots small, with minute hairs. (W. Buckler.) 



When younger green with a brown head and yellowish- 

 white dorsal and spiracular lines. 



September (?) to June, on Triticum rcpens and other 

 coarse grasses, also on woodrush (Ltizula). It is said to 

 bite off the grass stem at some distance above the surface 

 and then to eat downwards, devouring the lower portion to 

 the ground ; feeding generally at night and hiding close to 

 the earth, but occasionallv to be found during- the after- 

 noon. 



Pupa rather slender, wing and limb-cases extremely smooth 

 and brilliantly polished, almost without sculpture ; dorsal 

 and abdominal segments also bi'ightly polished, but having 

 on the anterior portion of each a narrow band of punctured 

 sculpture; anal segment thick and very fully rounded, the 

 two long hooked bristles springing directly from it, with 

 hardly any cremaster ; colour bright chestnut. Subterranean. 



The moth loves deep shady woods, and sometimes hides in 

 the daytime among the dense masses of leaves on oak and 

 other trees, from which it may be beaten out ; also sits 



