13S irocTuiD.^i. 



York {Riley), 1 (5,1 5 , Long Islanrl, Illinois, Chicago (Reading), 

 1 d' , Nebraska, Missouri, Kansa'^, Washington, Seattle. Ex^). 33- 

 47 millira. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. xxi. pi. vii. f. 25. 



Head shining black, body whitish ; the hairs long, fine, white, 

 growing from the skin, with black dorsal hair-pencils on joints 5, 7 

 and 12, Avith slighter ones on joints 8 to 10. Food-plant: Poplar. 

 — H. G. D. 



3725. Acronycta similana. (Plate CXXVI, fig. 15.) 

 Acronycta similana, Smith, J. N.Y. Ent. Soc. xiii. p. 190 (1905). 



S . Head, thorax, and abdomen dark purfdish brown mixed 

 with white ; palpi with the 1st joint fringed with white in front ; 

 some white round bases of anteiina3: shoulders with black stripes : 

 tar-ii ringed with white. Fore wing dark purplish brown irrorated 

 with white, the medial area somewhat paler, the veins with slight 

 dark streaks ; subbasal line represented by slight black marks below 

 costa and cell ; a short black streak in base of subrnedian fold ; 

 antemediai line black defined by white on outer side, oblique, 

 sinuous ; orbicular and reniform represented by small diffused 

 blackish marks ; two slight dark marks on melial part of costa ; 

 postmedial line blackish defined on inner side by lunulate black 

 marks, bent outwards below costa, then dentate, excnrved to vein 

 4, then incurved and angled outwards on vein 1, a blackish patch 

 beyond it in subrnedian interspace with slight dark streaks from it 

 to termen ; subterminal line absent; a series of blackish spots on 

 termen and cilia, which are whitish. Hind wing whitish tinged 

 with brown, the veins brown, the terminal area suffused with 

 brov/n ; a small black discoidal spot ; cilia brown at base, white at 

 tips : the iinderside white, the costal and terminal areas broadly 

 suffused with brown irrorated with white, 



JJab. U.S.A., Illinois, Chicago, 1 ^ . Exp. 40 millim. 



3726. Acronycta gastridia. (Plate CXXVI. fig. 16.) 



Acronycta aceris, FTinpsii. Moths Tnd. ii. p. 241 (nee Linn.). 

 Acronycta gastridia, Swinh. A. M. N. H. (6) sv. p. 5 (1895) ; Hmpsn. Moths 

 Ind. iv. p. 510. 



Head and thorax white mixed with black ; 2nd joint of palpi 

 with black band ; shoulders and outer edges of patagia with 

 black streaks ; tarsi banded with black ; abdomen whitish suifused 

 with brown, the basal crest black and white. Fore wing white 

 thickly irrorated with black and tinged in parts Avith brown, some 

 fuscous suffusion on inner half beyond the antemediai line and on 

 outer edge of postmedial line; subbasal line double, waved, from 

 costa to vein 1, with black streak in submedian fold from it to ante- 

 medial line, which is strong, double, waved, oblique ; orbicular 

 defined by black, small, round ; reniform defined by black 

 on inner side and by black points on outer, its inner side suffus-ed 

 with black ; a diffused oblique black bar from costa to reni- 

 form and slight incurved line from lower angle of cell to inner 



