SYNOPSIS OF THE BRITISH PHRYGANID^E. 103 



antennas is still longer ; in the male the hinder wings have a 

 longitudinal pinched fold not far from the anterior margin, 

 traversing the veins and forming a sort of longitudinal pouch, 

 which is beset with coarser, clavate hairs. 



Case as in Go'era. The larva is remarkable as being the 

 victim of an ichneumon (Agriotypus armatus) reared by 

 Dr. Kriechbaumer. 



47. Silo pallipes, Curt. ; Steph. 111. 186, 1 ; S. minutus, 



Walk. Cat. 93, 1; T. picicome, Pict. ; Asp.fusci- 



corne, Kolen. 

 Black, densely clothed with hairs ; anterior wings 



brownish black, with a silky lustre ; legs testaceous. 

 Length 3 lin. ; exp. 5| lin. 

 Hab. Hertford, in June and July ; Lewisham, common 



on hedges at the end of May. 



There are about eight species of the genus Silo in Europe ; 

 they are for the most part undescribed and not easily sepa- 

 rated ; some of them will probably occur in England. The 

 app. anal. $ have hitherto furnished me with the most certain 

 characters. 



Genus Mormonia, Curtis, Stephens. 



Go'era, Burm., Kolen. ; Lepidostoma, Ramb. ; 



Sericostoma, Pict. 



Maxillary palpi of the males 2- (?) jointed, straight, thick, 

 with their extremity dilated into a club above, verrucose, 

 densely clothed with short hairs ; antennas thin, longer than 

 the wings, the first joint much longer than the head (longer 

 in the females than in the males), thick, strongly hairy; 

 wings narrow, with the apex elliptical, clothed with erect 



