382 



NOCTUID^. 



Genus ACANTHONYX. 



Acanthomjx, Hmpsn. Ann. S. Mr. Mus. ii. p. 323 (1902) 



Type. 



marginahs. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching to 

 middle of frons and moderately clothed with hair, the 3rd porrect, moderate ; 

 frons smooth ; eyes large, i-ound ; antenniB of male bipectinate with long 

 bi-anches, the apex serrate; thorax clothed with hair only and witliout crests; 

 fore tibias not spined, with long curved claw at extremity on outer side ; mid 

 and hind tibia; strongly spined ; abdomen without crests. Fore wing rather 

 narrow, the apex rounded, the termen evenly curved, crenulate ; veins 3 and 5 

 from near angle of cell ; 6 from upper angle ; 9 from 10 anastomosing with 8 

 to form the areole ; 11 from cell. Hind wing with the termen slightly 

 excurved at vein 4; the cell half the length of wing ; veins 3, 4 from angle of 

 cell ; 5 fully developed from just above angle ; 6, 7 from upper angle ; 

 8 anastomosing with the cell near base only. 



A. Fore wing with the terminal area white or grey irrorated 



with brown marginal is. 



B. Fore wing with the teniiinal area coucoloro us fretoricB. 



7492. Acanthonyx marginalis. 



Agrotis marginalis, Wlk. xv. 1700 (1858). 



Agrotis various, Wllgrn. Wien. Ent. Mon. vii. p. 147 (1863). 



Agrotis marginifera, Wlk. xxxii. 706 (1865). 



(5 . Head, thorax, and abdomen whitish tinged with rufons. 

 Fore wing greyish suffused with rafous, deepening to before the 



Fig. 81. — Acanthonyx marginalis, cJ. 



sub terminal line, the terminal area grey thickly irrorated with 

 brown ; antemedial line with brown striga from costa, excurved 

 to median nervure, then oblique ; a dark spot on middle of costa ; 

 a larger grey-brown discoidal lunule witli its lower extremity 



