268 Lloyd's natural history. 



seventh segments inclusive. On the back is a broad purplish 

 stripe, running from the second to the eighth segment, and 

 including the humps. On the twelfth segment is also a 

 hump. 



The Iron Prominent. 



It feeds on birch, alder, and hazel. 



The cocoon is formed of tough yellowish-brown silk and 

 particles of earth. The pupa is reddish-brown, and cylin- 

 drical, with a rounded extremity. 



GENUS HIEROPJIANTA. 



Microdonta, Duponchel, Cat. Lepid. Eur. p. 92 (1844). 

 Hieropha7ita^ Meyrick, Handbook Brit. Lepid. p. 310 (1895). 



The only species of this genus may easily be distinguished 

 from its allies by its shorter and broader wings, which are 

 white, with black and orange markings on the fore-wings. 

 The body is also rather short and thick. It is very rare as, a 

 British insect, though it has been taken at Killarney, as well as 

 in Staffordshire and Devon. 



The name Mkrodonta is preoccupied in Cokoptera. 



