ACRONTCTA. 59 



Genus ACRONYCTA. 



Type. 



Acronicfa, Oclis. Schmett. Eur. iv. p. 62 (1815), non descr.... leporina. 



Acronycta, Treit. Schmett. Eur. v. (1) p. 3 (1825) leporina. 



Hyhoma, Hiibn. Verz. p. 200 (1827) strigosa. 



TricBna, Hiibn. Verz. p. 200 (1827) psi. 



Jochecera, Hiibn. Verz. p. 201 (1827) alni. 



Pharetra, Hiibn. Verz. p. 202 (1827) auricoma. 



Arctmnyscis, Hiibn. Verz. p. 202 (1827) aceris. 



Microcoilia, Guen. Noct. i. p. 33 (1852) fragilis. 



Megacronycta, Grote, Bull. Buff. Soc. Nat. Sci. i. p. 79 



(1873) hastulifera. 



Lepitoreuma, Grote, Bull. Buif. Soc. Nat. Sci. i. p. 80 



(1873) ovata. 



Plataplecta, Butl. A. M. N. H. (5)i. p. 195 (1878) pruinosa. 



MasHphanes, Grote, New Check List, p. 23 (1882), non deser. eclolata. 



Viminia, Chapman, Ent. Eec. i. p. 26 (1890) rumicis. 



Cuspidia, Chapman, Ent. Eec. i. p. 27 (1890) ^:IS^. 



Pseudopionda, Butl. Trans. Ent Soc. 1890, p. 672 bicolor. 



Tricholoiiche, Gi'ote, Mitth. Hildersheim Mus. iii. p. 16 



(1896) afflicta. 



Philorgi/ia, Grote, Mitth. Hildersheim Mus. iii. p. 17 



( 1 896) luteicoma. 



Apatela, Hiibn. Tent, ined aceris. 



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

 reaching about to middle of frons and fringed with long hair in front, the 3rd 

 short, the palpi sometimes short; frons smooth; eyes large, round ; antennae 

 laminate ; thorax typically clothed with hair only, usually with hair and hair- 

 like scales mixed with a few scales or chiefly with scales, without crests ; tibiae 

 moderately fringed with hair ; abdomen with some rough hair and with basal 

 crest typically formed of hair but usually of scales. Fore wing usually broad, 

 sometimes narrower and more produced at apex which is rounded ; the termen 

 evenly curved and slightly crenulate ; veins 3 and 5 fi-om near angle of cell ; 

 6 from upper 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 

 middle of discocellulars ; 6, 7 shortly stalked ; 8 anastomosing with the cell 

 near base only. 



Sect. I. {Hyhoma). Thorax clothed chiefly with scales. 



A. Fore wing with distinct black streak from postmedial 

 line to termen in submedian fold. 



a. Fore wing with black streak on medial area above 



vein 1. 

 «i. Fore wing with black streak in discal fold beyond 



postmedial line theodora. 



¥. Fore wing without black streak in discal fold beyond 

 postmedial line. 

 ifi. Hind wing pure white. 



«3. Fore wing with the aiitemedial line angled in- 

 wards in submedian fold mansueta. 



b^. Fore wing with the antemedial line not angled 



inwards in submedian fold hcmil&uca. 



}fi. Hind wing suffused with brown and with brown 



postmedial line strigosa. 



b. Fore wing without black streak on medial area above 



vein 1. 

 a^. Fore wing with the basal black streak giving off a 

 spur below at middle. 



