PETRINIA. 323 



Genus PETRINIA. 



Type. 

 Fetrinia, Wlk. Proc. Nat. Hist. Soc. Glasg. i. p. 347 (1869) ligoiusa. 



Proboscis fully developed; palpi upturned, the 2nd joint reaching to about 

 middle of frons and moderately scaled, the 3rd moderate ; frons smooth ; eyes 

 large, round ; antennas of male ciliated ; thorax clothed almost entirely with 

 scales, the metathorax with spreading crest; tibia? nearly smoothly scaled ; ab- 

 domen with dorsal crests on basal segments. Fore wing with the apex rounded, 

 the termen strongly curved and not crcnulate ; veins 3 and 5 from near angle 

 of cell; 6 from below upper angle ; 7 from angle ; 8,9, 10 stalked ; 11 from 

 cell. Hind wing with veins 3, 4 from angle of cell ; 5 neai'ly fully developed 

 from well above angle; 6, 7 from upper angle; 8 anastomosing with the cell 

 near base only. 



6628. Petvinia lignosa. 



Fetrinia lignosa, Wlk, Proc. Nat. Hist. Soc. Glasg. i. p. 318 (1869). 



c? - Head, thorax, and abdomen brownish ochreous largely mixed 

 with black-brown, the tegulse with black line near tips, the patagia 

 with oblique black bars near tips, the tarsi ringed with whitish. 

 Fore wing ochreous suffused with rufous and irrorated with black 

 on basal half, the costa and apical area black-brown mixed with 

 some grey ; an oblique dark shade from subcostal nervure before 

 middle to inner margin near base, defined above by a curved 

 grey streak with fine black streak above it, its outer edge angled 

 inwards in cell and on vein 1 ; a slight black streak below costa 

 from this antemedial shade to beyond middle where it is curved 

 round and becomes the faint minutely dentate postmedial line, 

 slightly angled inwards at discal and submedian folds and double 



Fig. 117. — Fetrinia lignosa, c?. f. 



filled in with whitish on inner area ; a blackish line from costa 

 beyond middle slightly defined by whitish on outer side and on 

 inner side also below costa and at lower extremity, excurved below 

 apex to near termen and ending on postmedial line at submedian 

 fold • a slight whitish subterminal line defined on inner side by 

 black-brown, angled inwards below costa, then excurved to near 

 termen ; a slight punctiform dark terminal line ; cilia dark brown 

 with a fine whitish line at base. Hind wing dark cupreous brown 

 with a greyish tinge ; cilia whitish mixed with, brown ; the under- 

 side whitish tinged with brown and slightly irrorated with black, a 

 dark discoidal lunule with striga above it from costa, sinuous post- 

 medial line bent outwards below costa, and terminal series of points. 



y2 



