PHYCiDyE. 89 



head and second segment black ; lines alternate green 

 and black, indistinct; tubercular dots and spiracles 

 black, ringed with paler ; hairs from the tubercles and 

 the extremities of the larva light brown ; ventral legs 

 pinkish. E. M. M. xvi. 167. 



Myelophila cribrum, Schiff. 



ciibrumella, lib. 



(Plate 10. fig. 6.) 



Loc. Merton, Thetford, Brandon, Southend, Graves- 

 end. 



Occurs in July and August. 



The larva feeds in the stems of thistles. It forms a 

 cocoon, in which it pupates the following spring, inside 

 the excavated stem. 



The ground-colour of the larva is greyish olive- 

 green ; head and plates on the second and anal seg- 

 ments brownish black; dorsal stripe dark, bordered 

 with white; subdorsal stripes white; spiracles, tubercles, 

 and hairs black. E. M. M, xv. 258. 



Trachonitis pryerella, Vuughan. 



(Plate 10. fig. 7.) 



Of this species there are only three known specimens 

 — one taken by Mr. Ecdlcs, one by Mr. Pryer (after 

 whom it was named), and one by Mr. Howard Vaughan. 

 All three specimens were taken in London in August or 

 September. 



