COMPENDIUM OF GENERIC DISTINCTIONS. 



791 



Genus. FORMICA. Sting absent. Eyes distinct. 

 Genus. PONERA. Sting large. Eyes of neuter wanting. 

 Genus. MYRMKCIA. Sting present. Basal joint of antennae 

 long. Footstalk of abdomen two-jointed. 



Sub-section. DIPLOPTERYGA. Front wings folded. 



Family. BUM EN ID^E. Solitary. No neuters. Man- 

 dibles rather long. End joints of antennae often hooked in 

 males. Thorax short. Abdomen sometimes on footstalk. 

 Legs not spined. 



Genus. EUMBNKS. Basal segment of abdomen narrow, and 

 forming a footstalk. 



Genus. ODYNERUS. Basal segment of abdomen short, 

 rather bell-shaped. Abdomen rather conic. 



Family. VESPID^E. Shield of head nearly square. 

 Mandibles short, toothed at the tips. Antennae twelve-jointed 

 in females and neuters : thirteen-jointed in males. 



Genus. VKSPA. Abdomen egg-shaped. Mandibles ob- 

 lique at tip. 



Sub-section. MELLIFERA. Basal joint of last tarsi 

 formed into a spoon-like plate. Proboscis mostly present. 

 One spur on each of two front pairs of tibiae. 



Family. APID.*. Proboscis long. Basal joint of antennae 

 long. 



Genus. NOMADA. Body long. Marginal cell broad. Max- 

 illary palpi six-jointed. 



Genus. CHRYSANTHEDA. Tongue long as body. No 

 pollen-basket on hind-legs. 



Genus. XYLOCOPA. Bpdy broad, hairy. Mandibles of 

 female blunt. 



Genus. BOM BUS. Body thick, rounded, and hairy. Spurs 

 on hinder tibiae. 



Genus. APIS. Body moderately slender. 



hinder tibiae. 



No spurs on 



Order. STREPS1PTERA. Front wings changed into 

 two short twisted organs ; hinder wings very large, folded like 

 a fan. Mandibles slender. 



Order. LEPIDOPTERA. Wings four, membranous, 

 wide, covered on both sides by overlapping scales. Nerves 

 branching. Mouth formed for suction. Tibiae spurred. 



Section. RffOPALOCERA .Antennx mostly knobbed 

 at tip. Proboscis long. 



Family. PAPILIONID^E. Legs for walking in both 

 sexes. 



Sub-family. PAPILIONIDKS. Hinder inner edge of second 

 pair of wings concave or folded. Middle longitudinal nervure 

 of front wings giving out four nervures. Central cell of wing 

 closed. Club of antenna; elongated. 



Genus. ORNITHOPTERA. Hind-wings not tailed. Labial 

 palpi moderately short. Abdomen of male deeply grooved on 

 outer side. Indian Archipelago 



Genu-i. PAPILIO. Hind-wings tailed. Labial palpi very 

 short. 



Genus. LBPTOCIRCUS. Hinder wings folded longitudinally, 

 very long, slightly curved at extremity. Abdomen short. 

 Palpi very short. Java. 



Genus. THAIS. Inner edges of hinder wings deeply scooped. 

 East Indies. 



Sub-family. PIERIDKS. Hind-wings forming a gutter for 

 the reception of the abdomen. 



Genus. PIERIS. Wings rounded, partly bare. Club of 

 antennae compressed. 



Family. HELICONIIDjE. Fore-legs small. Central 

 cell of hind-wings closed. Palpi short, and set far apart. Club 

 small. 



Genus. HELICONIA. Front wings long, narrow, entire; 

 hinder wings narrow, receding from abdomen. All wings 

 nearly transparent. Palpi rising above head. Front tarsus 

 wide and slightly toothed. West Indies. 



Gen us. LEPTALIS. Front wings curved and scooped, so as 

 to form a hook. 



Genus. MECHANiTis. Wings very long, entire. Hinder 

 wings narrow at base. Body slender. Hot countries. 



Genus. ITHONIA. Wings almost wholly transparent, except 

 round edges, and a short bar on front edge. Central America. 



Genus, EUPL.*A. Front legs short and imperfect. An- 

 tennas set close together, club long and curved. Palpi short, 

 thickly haired. Hot countries. 



Genus. DANAIS./ Antennae very long. Palpi set apart. 

 Wings with triangular outline. Central cell of hind-wings 

 closed. Hot countries. 



Family. NYMPH ALID^E. Fore-legs rudimentary in both 

 sexes, and thickly haired. Central cell of hinder wings either 

 open or closed, with a very slender nerve. 



Genus. CYRKSTIS. Hinder wings scooped from tip of ab- 

 domen. Outer edge of front wings nearly straight. Hot 

 countries. 



Genus. CBTHOSIA. Palpi set close, but diverging, and 

 tipped with slender extremity. Lower wings embracing ab- 

 domen. Hot countries. 



Genus. AGRAULIS. Wings scooped round hinder edges. 

 Hind-wings not tailed. Hot countries. 



Genus. MARPKSIA. Front wings deeply scooped and rather 

 hooked ; hind-wings with two tails, outer three times as long as 

 inner. Hot countries. 



Genus. VANESSA. Club of antennae short. Eyes hairy. 

 Front wings angular. 



Genus. CATAGRAMMA. Wings large, rounded on hinder 

 edges. Under side of lower wings marked with rings, mostly 

 so as to form the figure 8. New World. 



Genus. NYMPHALIS. Palpi close, erect, hairy. Club grad- 

 ual. Hot countries. 



Genus. ADOLIAS. Thorax large. Abdomen small. Wing* 

 slightly scalloped along outer edges. Club gradual. Asia. 



Genus. HBT,*RA. First pair of wings entire ; second pair 

 sometimes scooped. Wings wholly or partly transparent. 

 Hot countries. 



Genus. MORPHO. Club very" gradual. Central cell of 

 hinder limbs open behind. 



Family. ERYCINIDJE. 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 transparent. 

 Hot countries. 



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

 tail, starting at an obtuse angle with the wing. 



Genus. HBLICOPIS. Club rather curved. Hinder edge of 

 lower wings with six short tails. Hot countries. 



Genus. CALYDNA. Hind-wings not tailed. Central 

 America. 



Genus. EURYGONB. Almost straight line along outside edge 

 of both pair of wings. Abdomen short. Central America. 



Family. LYCiENIDjE. 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. HESPERID/E. Legs for walking. Antennas 

 wide apart, and often hooked at tip. Maxillae very long. 

 Body robust. 



Section. HE 'l EROCERA .Antennae not clubbed. 



Family. SPHINGID^E. Proboscis mostly long; antennae 

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

 small. Body long and sharp behind. 



Genus. SMBRINTHUS. Wings angulated. Proboscis moder- 

 ate. 



Genus. ACHBRONTIA. Wings not angulated, sharp. Pro- 

 boscis short. Antennae hooked at tips. 



Genus. SPHINX (including CHJEROCAMPA). Spiral tongue 

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



Genus. DEILBPHILA. Tongue long; antennae club-like. 



Genus. MACROGLOSSA. End of abdomen with large tuft; 

 wings covered with scales. 



Genus. SBSIA. End of abdomen tufted. Wings partially 

 transparent. 



Family. ANTHROCERID^E. Antennae not feathered at 

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

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



