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 larvse found feeding on 

 a species of HeliantJms, 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? parvus, sp. nov. 

 (Plate III. Fig. 12.) 



Parvus. 



Cajpite griseo-albido ; xjalpis jporrectis caiiite Us lon- 



gioribus, acuminatis ; antennis pubescentihus gri- 



seis. 

 Alls anticis cinereo-griseis fusco adumbratis, lacima 



anteriore subochracea, costa supra fissuram pal- 



lidiore, ciliis g rise is fusco punctatis ; post ids 



cinereis. 

 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 tlic head ; antennic pubescent, greyish. 



