436 xocTuin;E. 



Sect. IT. AiileniKV of male serrate and iiiscieulate. 



*1774. Perigonica angulata. 



Fcrigonica avgidaia, Suiilli, Ent. Am. vi. p. 124 (1800); id. Cat. Noct. 

 N. Am. p. 2UD. 



(S . Head and thorax pale rufous sliglitly irrorated Avith IJack ; 

 auteiniii' blackish ; frons black ; pectus and legs Avhitish irroratod 

 ■with black ; abdomen ochreous irrorated -with black, the ventral 

 surface whiter. Fore wing ochreous with a rufous tinge and 

 s])arscly irrorated with black ; antemedial line represented by a 

 black point on costa ; medial line fairly distinct on costal area, 

 then almost obsolete, obiiijue from costa to lower anple of cell ; 

 reniform indistinct, with slight fuscous centre and pale annulus ; 

 postmedial line indistinct, slightly bent outwards below costa, 





^ 



Fig. 118. — Perigonica angulata, (^ . \, 



oblique to vein 6, then somewhat dentate, with points at the veins 

 and series of points beyond it, incurved below vein 4 ; subterminal 

 line very faint, palo, minutely waved, angled outwards at vein 7 

 and excurved at middle, a slight fuscous shade before it on costa ; 

 terminal series of slight points. Hind wing ochreous white with a 

 slight pink tinge ; the marginal areas irrorated with brown ; a 

 terminal series of black points on apical half; the underside 

 irrorated with black, a small discoidal spot and slight postmedial 

 series on the veins. 



Hah. U.S.A., California, Sierra Nevada, in Coll. Schaus. Exp. 

 38 millim. 



Genus SIDERIDIS. 



Type. 



Sidcridis, Hubn. Yerz. p. 232 (1827) evidens. 



Alefia, Hubn. Verz. p. 289 (1827) viteUina. 



Hyphilare, Hiibn. Verz. p. 239 (1827) alhipuncta. 



Crocigrapha, Grote, Can. Ent. vii. p. 57 (1875) normani. 



Proboscis fully developed; palpi sliort, obliquely upturned, the 2nd joint 

 fringed with long hair in front, the 3rd minute ; frons smooth ; eyes large, 

 rounded; antennte of male typically minutely ciliated; head and thorax 

 clothed with hair only, except a few .scales on upper edge of patagia ; the pro- 

 thorax with .spreading crest; tibire fringed with hair; abdomen with dorsal 

 crest on 1st segment only. Fore wing with the apex rectangular, the termen 

 oblique towards tornus ; veins 3 and 5 from near angle of eell ; Q> from u]iper 

 angle; 9 from 10 anastomosing with 8 to form the areole ; 11 from cell. 

 Hind wing with veins 3, 4 from angle of cell ; 5 obsolescent from just below 

 middle of discocellulars; G, 7 from upper angle; 8 anastomosing with cell 

 near base onlv. 



