LIOPTILUS. 53 



Ges. Wien, xxiv. p. 445) ; on the right anterior wings 

 it has also two dots." Mr. Chambers's description of 

 Pterophorus lacteodactylus, Can. Ent. v. p. 72, is so 

 meagre that it is impossible to determine even that 

 it must have belonged to the genus Lioptilus. 



Lioptilus subochraceus, sp. nov. 



(PLATE in. FIG. 10.) 



Capite albido, cervice brunnea ; palpis bremssimis. 



Alis anticis subochraceo-albidis, apud costam post 

 mediam ferrugineo oblique leviter adumbratis ; 

 postids stramineis. 



Tibiis albidis. 



Head whitish above ; the face and neck brownish ; 

 the palpi very short, not projecting as far as the 

 front of the head ; antennse whitish ochreous, 

 with the basal joint brown. 



Fore wings pale subochreous, without spots or 

 markings, except a rather oblique delicate fer- 

 ruginous shade above the base of the fissure, 

 reaching the costa before the apex ; the cilia 

 about the dorsal margin of the second lobe are 

 slightly tinged with brownish. 



Hind wings very pale brownish straw-colour. 



The legs whitish. 



Expanse 28 millims. 



Three specimens, 6 and $, Lake County, Cali- 

 fornia. June 19th, 1871. 



