148 N0CTUIDJ5. 



3739. Acronycta nibricoma. (Plate CXXVI. fig. 27.) 



Acronycta nibricoma, Guen. Noct. i. p. 49 (1852) ; Smith & Dyar, Pr. U.S. 

 Ifat. Mus. xxi. p. 42, pi. 1. f. 4 ; Smith, Cat. Noct. N. Am. p. 42. 



Head and thorax grey- white mixed with fuscous brown ; paljii 

 with brown mark on 2nd joint at side; autennse with the basal 

 joint white in front; tegulse with fuscous tips ; tarsi banded witli 

 fuscous; abdomen whitish, the basal half dorsally suifused with 

 reddish ochreous, the terminal halt with brown. Fore wing white 

 thickly irrorated with pale reddish brown, the veins with slight 

 dark streaks ; subbasal line represented by double black striae from 

 costa and a single striga from cell; antemedial line double, black, 

 filled in with white, oblique, dentate, the outer line angled out- 

 wards below costa, the inner inwards below the cell, angled inwards 

 on vein 1 and bent imvards along inner margin to near base ; 

 orbicular and reniform strongly defined by black, large, the former 

 round, the latter with diffused fuscous in centre and oblique black 

 striga above it from costa ; postmedial line double filled in with 

 white, bent outwards below costa, then dentate, excurved to vein 4, 

 then incurved, with faint diffused streak before and beyond it in 

 discal fold, some dark suffusion beyond it in submedian interspace 

 and some white points with slight dark streaks between them on 

 costa ; a terminal series of small black lunules ; cilia chequered 

 Avhite and fuscous. Hind wing Avhite tinged with reddish ochreous 

 towards base, the veins dark ; an indistinct curved postmedial 

 line and faint diffused subterminal band; a terminal series of 

 slight dark striaj; cilia white with a faint dark line through them ; 

 the underside white, the costal area and veins slightly irrorated 

 wdth brown, an indistinct discoidal spot and crenulate postmedial 

 line with dark streaks on the veins. 



Hah. Canada; U.S.A., New York, Long Island, Pennsylvania, 

 Philadelphia, 1 c? , 1 5 ? Distr. of Columbia, Washington, Missouri, 

 tSt. Louis, Texas, Dallas (Boll), 1 5 • Kr23. 44-50 millim. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 43, pi. tI. if. 14, 1.5. 



Head rounded, shining black or red, a white V-mark above 

 mouth. Body C3lindrical, yellowish, with a broad, partl}^ geminate 

 black dorsal band, containing pencils of w^hite hair on joints 6 to 

 10 and 12. Other hair growing from the skin, dense, fine, white. 

 Pood-plant: Hackberry (Oeltis occidentalis). — H. G. D. 



3740. Acronycta centralis. (Plate CXXVL fig. 28.) 



Acronycta centralis, Ei-sch. Fedch. Eeise, p. 37, pi. 3. f. 35 (1874); Stand. 

 Cat. Lep. pal. jd. 131. 



S . Head, thorax, and abdomen grey-white mixed with fuscous ; 

 tarsi ringed with fuscous. Pore wing grey-white thickly irrorated 

 ■with fuscous, the postmedial area rather darker; subbasal line 

 absent; antemedial line indistinct, double, oblique, waved ; orbi- 

 cular and reniform faintly defined by fuscous, the former moderate, 

 round ; traces of a medial dark line toAvards costa ; postmedial line 



