522 NOCTUIDiE. 



subdorsal and lower lateral bands are greyish brown, not much 

 darker than the other markings. General colour light brown, not 

 creamy. A diffused lighter shade above the subdorsal dark baud. 

 Cervical shield more cbitinized than in roseola. Feet without dark 

 patches. Food-plants, Grasses. — H. G. D. 



1892. CirpMs dia. (Plate XCII. fig. 24.) 



HeliopUla dia, Grote, Can. Ent. xi. p. 29 (1879); id. 111. Essay, 56, 



pi. ii. f. 19; Smith, Cat. Noct. N. Am. p. 187. 

 Leucania megadia, Smith, Pr. "U.S. Nat. Mus. xxt. p. 191 (1902) ; Dyar, 



Cat. Lep. N. Am. p. 163. 



S . Head and thorax white mixed with pale brown ; tegulae with 

 medial brown Hne; a few dark scales near upper edge of patagia ; 

 abdomen white tinged with brown, the anal tuft with ochreous ; 

 pectus, legs, and ventral surface of abdomen much browner. Fore 

 wing ochreous white tinged with reddish brown ; the veins white 

 defined by fiue brown streaks, the interspaces with brown streaks, 

 the costal and inner areas sparsely irrorated with black ; a black 

 point in lower angle of cell ; a postmedial series of black points on 

 the veins, bent outwards below costa, excurved to vein 4, then 

 oblique ; some black points on termen sometimes present ; cilia 

 reddish brown intersected with white. Hind wing whitish suff"used 

 and irrorated with brown except towards base ; cilia white ; the 

 underside white, the costal and terminal areas irrorated with brown. 



Hub. Canada, Alberta, Calgary ( Wolle)j-Dod), 3 c? co-type megadia, 

 British Columbia, Laggan, Kaslo (J. W.^ Cochle), 9 c? , 4 $ ; U.S.A., 

 Washington, Wyoming, Oregon, Nevada, Colorado, California, 2 (S 

 type, ( Walsiwjhani) 1 S , Arizona. Exp. 30-36 millim. 



*1893. CirpMs diagramma. (Plate XCVI. fig. 15.) 



Leucania diagramma, Beth. -Baker, ined. 



(S . Head and thorax whitish with a violaceous tinge and irro- 

 rated with brown ; tegulae with three dark lines ; patagia with 

 some black scales near upper edge ; tibiae slightly streaked with 

 black ; abdomen whitish, dorsally tinged with brown and vcntrally 

 irrorated with black ; the anal tuft ochreous. Fore wing whitish 

 with a slight violaceous tinge, the veins white defined by dark 

 streaks, the interspaces with purple-brown streaks, the costal and 

 inner areas irrorated with black ; a purple-brown shade below 

 median nervure and a black streak in base of submedian fold ; the 

 median nervure and vein 4 with stronger white streaks ; a black 

 point in lower angle of cell ; a postmedial series of black points 

 bent outwards below costa and oblique below vein 4, an oblique 

 diffused white fascia from apex with triangular brown shade below 

 it from termen ; a terminal series of black points. Hind wing 

 whitish tinged with ochreous brown except the interspaces of basal 

 area ; a series of black points on termen from apex to vein 2 ; the 

 underside white, with some dark irroration on costal area. 



Hah. Brit. N. Guinea, Babooni (Pratt), type f cJ in Coll. Bethune- 

 Baker. Ki^. 38 millim. 



