LIOPTILUS. 55 



slightly darker, especially about the ends of the 

 two anterior lobes. 



Abdomen whitish. 



Legs whitish, dotted between the spurs, on the under- 

 side only, with dark brown. 



Expanse 24 millims. 



Seven specimens bred from larvae found feeding on 

 a species of Helianthus, on the Siskiyou Mountains 

 at the southern extremity of Oregon, in June 1872. 

 The species approaches the European L. lienigianus, 

 but is very distinct. 



Lioptilus ? parvns, sp. nov. 



(PLATE III. Fie. 12.) 



Parvus. 



Capite griseo-albido ; palpis porrectis capite bis Ion- 

 gioribus, acuminatis ; antennis pubescentibus gri- 



seis. 



Alls anticis cinereo-griseis fusco adumbratis, lacinia 

 anterior e subochracea, costa supra fissuram pal- 

 Udiore, ciliis griseis fusco punctatis ; posticis 

 ci nereis. 



Abdomine et tibiis posticis griseo-albidis. 



Head greyish white, a scarcely paler frontal tuft pro- 

 jecting slightly above the long, well-clothed, but 

 sharply-pointed palpi, which are about twice the 

 length of the head ; antennae pubescent, greyish. 



