24 
(41) Corona and ampulla present, no pollex ^ 42 
Corona and ampulla absent; pollex present 43 
(42) Clasper of even width, strong corona; fore wings long and of rather even 
width Peridroma Hbn. 
Fore wings short and broadening apically, weak corona; clasper usually 
strongly bulged centrally Diarsia Hbn. 
(43) Vestiture of hair and scales with well-developed thoracic tufting 44 
Vestiture entirely of rough hair; no thoracic tufting, wings narrow . . . Rachnobia Gn. 
(44) Third palpal joint without tuft below Graphiphora, Group I 
Third palpal joint with pointed tuft below Graphiphora , Group II 
(45) Third palpal joint with distinct pointed hair-tuft below 51 
Third palpal joint without hair-tuft 46 
(46) Pollex present 47 
Pollex absent 48 
(47) Harpe with foot-like base Anomogyna Staud. 
Harpe without foot-like base, large, and overhung at base by strongly bulging 
sacculus Adelphagrotis Sm. 
(48) Palpi with visible portion of third joint rather long and narrow (twice as long 
as wide). . . ...... 49 
Palpi with visible portion of third joint short and blunt (about as long as 
wide) 50 
(49) Palpi with second joint heavily and smoothly scaled; clasper rounded apic- 
ally Cryptocala Ben j . 
Palpi with second joint more roughly haired with slight apical pointed tuft; 
clasper pointed Eueretagrotis Sm. 
(50) Second palpal joint very closely and evenly scaled with no trace of pointed tuft, 
clasper drawn out to a long point. Pronoctua Sm. 
Second palpal joint with rough hairs in front and a pointed tuft; clasper 
narrow and rounded apically Hemigraphiphora gen. nov. 
(51) Harpe reduced to a mere thinly chitinized tubercle, generally partly hidden 
by the strongly bulging sacculus .AbcLgrotis Sm. 
Harpe well developed Rhynehagrotis Sm. 
SYSTEMATIC DESCRIPTIONS 
Euxoa Hbn. 
1822, Verz. bek. Schmett. 209 [type, nivens Hbn. ( decora Schiff.)]. 
Brotis Hbn., 1822, op. cit. 226 (type, nigricans L.). 
Exarnis Hbn., 1822, op. cit. 225 (type, obelisca Schiff.). 
Metaxyja Hbn., 1822, op. cit. 223 (type, tilta Esp.), 
Mimetes Hbn., 1822, op. cit. 210 (type, decora Schiff.). 
Telmia Hbn., 1822, op. cit. 227 (type, cursoria Hfn.). 
Pleonectopoda Grt., 1873, Bull. Buff. Soc. N. Sci. I, £136 (type , ’lewisi Grt.). 
Carneades Grt., 1883, Can. Ent. XV, 4 (type, moerens Grt.). 
