794 



COMPENDIUM OF GENERIC DISTINCTIONS. 



Genus. ADOLIAS. Thorax large. Abdomen small. Wings 

 slightly scalloped along outer edges. Club gradual. Asia. 



Genus. HET^RA. First pair of wings entire ; second 

 pair sometimes scooped. Wings wholly or partly trans- 

 parent. Hot countries. 



Genus. MORPHO. dub very gradual. Central cell of 

 hinder limbs open behind. 



Family. EBYCINID.. Males with four walking feet ; 

 females with six. Claws of tarsi minute. 



Genus. ERYCINA. Upper wings rather triangular ; 

 lower much elongated and diverging. Wings nearly trans- 

 parent. Hot countries. 



Genus. ZEONIA. Hinder wings with a very long, slender 

 tail, starting at an obtuse angle with the wing. 



Genus. HELICOPIS. Club rather curved. Hinder edge 

 of lower wings with six short tails. Hot countries. 



Genus. CALTDNA. Hind-wings not tailed. Central 

 America. 



Genus. EURYGONE. Almost straight line along outside 

 edge of both pair of wings. Abdomen short. Central 

 America. 



Family. LTCJENIDJE. Small. Claws of tarsi minute ; 

 fore-legs fitted for walking. Last joint of palpi small and 

 naked. 



Genus. THECLA. Club long. Eyes hairy ; hind-wings 

 mostly tailed. 



Family. HESPERIDJE. Legs for walking. Antennae 

 wide apart, and often hooked at tip. Maxilla) very long. 

 Body robust. 



Section. H ETEROC ERA. Antennae not dubbed. 



Family. SPHINGIDJE. Proooscis mostly long; antennae 

 prismatic, tipped by thread or feather. Hinder pair of wings 

 small. Body long and sharp behind. 



Cnnus. SMEKINTHUS. Wings angulated. Proboscis 

 moderate. 



Genus. ACHERONTIA. Wings not angulated, sharp. 

 Proboscis short. Antennae hooked at tips. 



Genus. SPHINX (including CH^IROCAMPA). Spiral tongue 

 very long. Antennae not club-like. Wings sharp. 



Genus. DEILEPHILA. Tongue long ; antennas club-like. 



Genus. MACROOLOSSA. End of abdomen with large tuft ; 

 wings covered with scales. 



Genus. SESIA. End of abdomen tufted. Wings par- 

 tially transparent. 



Family. ANTHROCERID.ffi. Antennae not feathered at 

 tip, sometimes simple in both sexes, sometimes comb-like in 

 male. Abdomen never tufted ; wings bent down in repose. 



Genus. INO. Antennas straight, those of male doubly 

 combed. No spur on hinder tibiae. 



Family. !GERIID2E. Body long; wings naked and 

 often transparent. Antennae simple. Hinder legs spurred. 



Gtinus. JEGERIA. Proboscis and antennas short. Abdomen 

 not tufted. 



Genus. TROCHILIUM. Proboscis and antennae long. Large 

 tuft ca tip of abdomen. 



Family. URANIID51. Wings with spring and socket. 

 Antennae long, never prismatic nor tufted. All exotic. 



Genus. URANIA. Antennae slender, thread-like, gra- 

 dually tapering to tip. Hinder wings tailed. 



Genus. CASTNIA. Antennae club-like at tip. Proboscis 

 long. Hinder wings not tailed. 



Family. HEPIALID.ffi. Antennas short, gradually 

 pointed. Proboscis wanting, or very short. 



Genus. HEPIALUS. Antennas thread-like, much shorter 

 than thorax. 



Genus. Cossus. Antennae long as thorax, toothed to tip 

 in both sexes. 



Genus. ZEUZERA. Antennas of male doubly combed to 

 middle, those of female not combed. 



Family. BOMBYCID.33. Proboscis and palpi very small, 

 or absent. Body thick and hairy. Wings large and broad. 



Genus. ATTACUS. Wings entire, eyed, sometimes with 

 transparent spot. Antennae deeply combed. Warm countries. 



Genus. BOMBTX. Antennae deeply combed, longer than 

 thorax. Abdomen extending beyond hind-wings. Asia. 



Genus. OIKETICUS. Female wingless. Male's body hairy. 

 Antennae combed at base, serrated at tip, no joints. Wings 

 hairy. Abdomen more than half its length beyond hind- 

 wings. Honduras. 



Family. ARCTIIDJE. Antennae of male deeply combed 



or notched. Wings bent down in repose. Proboscis small, 

 or wanting. 



Genus. STAUROPUS. Front wings narrow, tufted on disc. 

 Antennas of male combed, except at tip. 



Genus. NOTODONTA. Front wings slightly toothed at 

 tip, tufted on inner edge. Thorax not crested Antenna* 

 of male combed. 



Genus. HYPOGYJINA. Proooscis wanting. Wings opaque. 

 Antennae combed in both sexes. Abdomen of male with a 

 brush at tip. 



Genus. HYPERCOMPA. Proboscis much longer than boao 

 Antennae simple in both sexes. 



Genus. DORATIFERA. Proboscis not visible. Antermfe 

 more than half the length of body, combed in male half 

 length, rest serrated to tip. Abdomen as far as hind-wings. 



Family. L1THOSIID32. Antennae mostly slender, some- 

 times combed or feathered in male. Proboscis developed. 

 Body slender. 



Genus. PERICOPIS. Body cylindrical. Palpi hairy in 

 male. Antennas slightly combed in male, serrated in female. 

 Wings long, partly transparent. Central America. 



Genus. HYELOSIA. Palpi nearly as long as head, third 

 joint very small. Antennas more than half length of body 

 and deeply combed in male ; shorter and serrated in female. 



Genus. CALLIMORPHA. Fore-wings rather triangular. 

 Antennae of male slightly feathered. Palpi three-jointed. 



Family. NOCTTJHXffi. Body stout. Antennae mostly 

 simple. Wings moderate, strongly nerved. Proboscis deve- 

 loped. 



Genus. CALOCAMPA. Fore-wings long and narrow. Palpi 

 short. Thorax slightly crested. Antennae short and stout. 



Genus. THYATIRA. Wings large, blunt, broad, rather 

 pointed at tip. Crest across thorax. Antennas short ami 

 hairy. 



Genus. CATOCALA. Front wings forming triangle when 

 bent down. Antennae slender. Slight crest on thorax. 



Family. GEOMETRID^E. Body slender and limbs 

 feeble. Proboscis short, weak, and membranous. Wings 

 large. Thorax not crested. 



Genus. BiSTON. Rather stout. Proboscis very short. 

 Antennae deeply double-combed. Wings thick, rather small, 

 in both sexes. 



Genus. OURAPTERYX. Body moderate. Antennae simple 

 in both sexes. Front wings sharp at tip, hinder with small 

 tails. Both sexes winged. 



Genus. HALIA. Wings short, triangular, powdery, hinde; 

 pair toothed. Antennae of male doubly coin hud. Proboscis 

 long. Both sexes winged. 



Genus. MELANIPPE. Proboscis long, antenna) simple. Both 

 sexes winged ; wings wide and rounded. 



Genus. CHEIMATOBIA. Proboscis very short. Antcinm 1 

 of male hairy. Female nearly wingless, wings of male broad 

 and thin. 



Genus. PLATYPTERYX. Front wings curved at tip, with 

 hinder edges toothed. Proboscis scarcely visible. Antenna 1 

 doubly combed in both sexes. 



Family. TORTRICID^!. Small. Fore-wings broad, 

 forming triangle with body when at rest. Body slender. 

 Antennae mostly simple. Labial palpi broad and flat. 

 Maxillary palpi very small. 



Genus. TORTRIX. Antennae very slightly haired in male. 

 Fore-wings rounded at shoulder, hind-wings large. 



Family. YPONOMETJTID!. Labial palpi long and 

 slender, maxillary palpi generally wanting. Antennas long 

 and slender. Hinder wings fringed. 



Genus. ADELA. Palpi four. Antennae very long. Eyes 

 very large. Wings metallic ; head thickly haired. 



Genus. YPONOMEUTA. Palpi two. Antennae rather hairy. 

 Wings large and curled, front pair long and round. 



Family. TINEID.2E. Wings narrow. Labial palpi sel- 

 dom seen ; maxillary palpi very large. Antennae moderate. 



Genus. GALLERIA. Thorax and abdomen stout. Front 

 wings of male scooped at tip, those of female blunt. 



Genus. GRACILLARIA. Wings very narrow. Labial palpi 

 very slender, long, and curved ; maxillary palpi short, slender, 

 and diverging. Fringe of hind-wing very long. 



Genus. TINEA. Head crested in front. Labial palpi 

 longer than proboscis. Fore-wings rather long, rounded 

 behind. 



Family . ALTJCITID-ffi. - Body very slender ; wings very 

 narrow, often deeply cleft and fringed. Proboscis long. 



