532 



NOCTPID.E. 



*926. Lycophotia nigra. (Plate LXXIV. fig. 13.) 

 Peridromu nigra. Smith, Trans. Am. Ent. Soc. xxi. p. 43, pi. 1 (1894). 



Puscous brown thickly irrorated with black ; abdomeu rather 

 paler. Fore wing- with the markings more or less interrupted ; 

 subbasal line double, black, with white irroration in included 

 space, terminating in a reddish blotch at base of wing ; autemcdial 

 line double, black, Avith white and ochreous scales in included space, 

 erect, excurved below costa and above inner margin ; claviform 

 small, irrorated with white and ochreous and defined by black ; 

 orbicular irregular, oblique, with some white irroration at centre 

 and a white annulus defined bj* black ; reniform large, with pale 

 irroration at centre, some white or ochreous scales reiDresenting the 

 annulus and defined by black ; a diffused medial shade ; post- 

 medial line double, the inner line lunulate, the outer indistinct, 

 with white and ochreous scales in included space, bent outwards 

 below costa, excurved to vein 4, then incurved ; subterminal line 

 whitish or ochreous, irregular, interrupted, defined on inner side by 

 a series of black lunules ; a terminal series of black lunules. Hind 

 wing dirty white with dark irroration and a clearer terminal band ; 

 an indistinct discoidal point and postmedial line ; a terminal line ; 

 the underside whitish with dark irroration. 



Hah. U.S.A., Utah, Salt Lake City, Colorado {Bruce). Ex^)., 

 S 50, $ 53 millim. This species is unknown to me ; figured from 

 drawing from type in Brooklyn Inst. Arts & Sci. 



Sect. V. Antenna' of male ciliated. 



A. {Peridruma). Pro- and aietatborax with divided crests. 



a. Hind wing unilorni fuscous. 



a^. Fore wing with the postmedial line very highly 



dentate at middle dcnticulaiu. 



h^. Fore wing with the postmedial line moderately 

 dentate, 

 tr. Fore wing with the ground-colour grey. 



a''. Hind wing blackish ; expanse about (iO millim. occulta. 



/A Hind fuscous; expanse about 40 millim in'cejixa. 



b'-. Fore wing with the ground-colour red-brown crythrina. 



b. Hind wing white, the veins and terminal area fuscous. 

 a.\ Fore wing with the costal area sutl'used with black. 



cr. Thorax with the crests pule rufous, contrasting ... ochronota. 



//-. Thorax with the crests concolorous semifusca. 



b^. Fore wing with the costal area concolorous or 



paler iiiarga ritosa . 



c. Hind wing entirely white or slightly tinged with 



fuscous. 

 a^. Fore wing with black streak below base of cell. 

 a^. Fore wing with the orbicular confluent ^vitli 



the reniform denmtabili^. 



b'-. Fore wing with the orbicidar elongate vocalis. 



c'-. Fore wing with the orbicular oblique, elliptical. 

 «■'. Fore wf'mg Avith the ante- and postmedial lines 



confluent above inner margin eminens. 



P. Fore wing with the ante- and postmedial lines 

 not confluent above inner margin. 

 a^. Fore wing with the reniform angled inwards 



on median nervure clegans. 



i 



