5 
(3) Frons with truncate conical prominence 4 
Frons with vertical ridge .Feltia 
Frons with slightly roughened prominences Pseudorthosia 
(4) Fore tibiae with spines at extremity very stout Porosagrotis 
Fore tibiae with spines at extremity slender Euxoa 
(5) Ey es strongly ciliated Metalepsis 
Eyes not ciliated 6 
(6) Head and thorax clothed with hair only and without crests 7 
Head and thorax clothed with hair and scales and with more or less developed 
thoracic crests 8 
(7) Fore tibiae short and broad with long, curved claw on inner side and short claw 
on outer .Eucoptocnemis 
Fore tibia} normal, without claws Epipsilia 
(8) Prothorax with ridge-like crest Richia 
Prothorax with spreading crest 9 
(9) Fore tibia short and broad with 2 claws on inner side and 7 on outer Onychagrotis 
Fore tibia with long, curved claw on inner side Adita 
Fore tibiae spined at sides 10 
(10) Abdomen dorsally rather flattened, fore wing broad, triangular. Agrotis 
Abdomen not flattened dorsally 11 
(11) Fore tibiae strongly spined, thorax smoothly scaled Lycophotia 
Fore tibiae slightly spined on inner side only Aplectoides 
(12) Mid tibiae spined. 13 
Mid tibiae not spined Protagrotis 
(13) Head and thorax clothed with hair only Mythimna 
Head and thorax clothed with hair and scales 14 
(14) Abdomen with dorsal crests towards base Anytus 
Abdomen without dorsal crests towards base 15 
(15) Palpi with third joint porrect and hairy below, the second broadly scaled in 
front 16 
Palpi with third joint upturned, nearly naked 18 
(16) Thorax with distinct crests on pro- and inetathorax 17 
Thorax with very slight dorsal crests Pronoctua 
(17) Head and thorax clothed with rough spatulate hair Anomogyna 
Head and thorax smoothly clothed with hair and scales Eurois 
(18) Palpi with second joint broadly fringed with hair in front Eueretagrotis 
Palpi with second joint slightly fringed with hair in front Rhynchagrotis 
In 1914, W. T. M. Forbes published a Table of the Genera of Noctuidae 
of North Eastern North America (Jour. N.Y. Ent. Soc. XXII, 1), and the 
following key is an excerpt from this paper covering the Agrotid genera. 
KEY TO AGROTID GENERA ACCORDING TO FORBES 
(1) Fore tibiae with single terminal claw Adita 
Fore tibia} with several terminal claws 2 
Fore tibiae unarmed 9 
(2) Front rough with a distinct raised ring or truncate elliptical projection Euxoa 
Front merely rough and prominent or smooth 3 
(3) Tongue rudimentary much shorter than thorax; front rough but fairly flat, 
fore tibiae about twice as long as wide with one terminal claw about one-half 
as long as itself .Eucoptocnemis 
Tongue functional or with lightly spined fore tibiae 4 
(4) Front rough and granular, dull, strongly rounded out, fore tibiae normally with 
heavy claws or spines Feltia 
Front shining and rarely projecting more than a third the width of the eyes; 
fore tibiae slender and usually with light spines 
5 
