792 



COMPENDIUM OF GENEEIC DISTINCTIONS. 



Genus. CHRYSOMKLA. Winged ; palpi hatchet-shaped. 

 Genus. TIMABCHA. Wingless ; elytra soldered. 



Section. PSEUDOTRIMERA. I'hhd joint of 

 tarsi minute, recurved between the two looes of seconu 

 joint. Elytra covering abdomen. 



family. COCCINELLID5!. Body convex and hemi- 

 sperical. Thorax short and transverse. Second joint of tarsi 

 large. 



Genus. COCCINELLA. Hinder angles of thorax sharp. 



Order. DERMAPTERA Front wings leathery, small; 

 suture straight, partly covering large hinder wings. Forceps 

 At end of tail. Pupa resembling perfect insect, but without 

 tvings. 



family. As Order. 



Genus. FORFICULA. Antennae fourteen joints ; elytra 

 and wings perfect. 



Order. ORTHOPTERA Front wings on elytra parch- 

 ment-like, large, heavily veined, overlapping at tip. Hinder 

 wings large, folded longitudinally. Tail often spiked. 



Section. CURSORIA. Legs all for running. 



Family. BLATTID5!. Body oval and flat. Head small, 

 often hidden under thorax. Antennae very long, hair-like ; 

 legs spurred. Two short-jointed appendages to abdomen. 



Genus. BLATTA. As family. 



Section. RAPTOR I A. Body long, narrow, nearly 

 cylindrical. Abdomen broader than front of body. Head 

 exposed. Upper wings horizontal. Fore-legs enormous, 

 used for capture. 



Family. MANTID.E. As Section. 



Section. AMBULATORIA- Body longand slender. 

 All legs alike. Front wings comparatively small, hinder 

 wings large. 



Family. PHASMID5!. As Section. 



Genus. PHYLLIUM. Body flat, broad ; front wings like 

 leaves ; legs provided with leaf-like appendages. Antennae 

 of male half length of body, those of female still shorter. 

 East Indies. 



Genus. BACTERIA. Wingless. Antennae haired, larger 

 than head. East Indies. 



Section. SALTATO R I A. Hind-legs for leaping. 



Family. ACHETID.3. Antennae very long and slender. 

 Wings large, forming, when filled, a pair of projecting 

 spines ; wing-covers of male with talc-like spot at base. 

 Both legs flat on body. Jaws strong, with several sharp teeth. 



Genus. GRYI.LOTALPA. Fore-legs broad and palmed. 

 No external ovipositor. 



Genus. ACHETA. Fore-legs not palmed. Ovipositor 

 projecting. 



Family. GEYLLID^!. Wings and covers forming a 

 slanting roof. Ovipositor mostly flat and sabre-like. 



Genus. PHASGONURA. Wings and covers long. Ovi- 

 positor long and straight. Four short spines on end of 

 abdomen. 



Family. LOCTTSTID.ffi. No projecting ovipositor. An- 

 tennae short. 



Genus. LOCUSTA. Antennae simple. Wings and covers 

 large. 



Order. THYSANOPTERA. Wings four, similar, 

 long, narrow, not folded, lying along back. Mandibles like 

 bristles. Tarsi two-jointed. 



Order. NEUROPTERA. Wings four, large, equal. 

 Vlandibles powerful. Ovipositor with several valves. 



Section. BIOMORPHOTICA. Pupa active. 



Family. TERMITID.SI. Both sexes winged. Neuters 

 not winged. Body oblong, flat. Antennae short; mandibles 

 flattened, toothed, triangular. Wings nearly twice as long 

 as body. 



wings very large 



wings very large 



Ger.yj. TERMES. Labrum forr-cleft ; palpi three-joint 

 Tarsi four-jointed. Hot countries 



Family. PERLED^B. Hinder 

 folded. Tarsi throe-jointed. 



Family. EPHEMEEID^!. Front 

 Tarsi five-jointed. 



Genus. EPHEMERA. Wings four; three appendages 

 abdomen. Head of larva horned. 



Family. LIBELLTJLID-ffi. Head large, globular ; abdc 

 men long ; thorax deep. Antennae very short. Mandible 

 very powerful, and masked by lips. Appendages to abdome 

 not jointed. 



Genus. LIBELLULA (including ICTIXUS). Hinder angl 

 of second pair of wings rounded. Ocelli in a triangle. 



Genus. CALEPTERTX. Head transverse, hammer-shapei 

 Cells of wings very numerous, dark spot hardly visible. 



Section. SUBN ECROMOR PHOTIC A. PHJU. 

 quiescent, but becoming active just before last transforms 

 tion. 



Family. PANOBPID-ffi. Head lengthened into a beak. 

 Body long and slender. Legs long. Tarsi five-jointed ; t\v< 

 spurs on tibiae. 



Family. HEMEROBIID^!. Body short and delicat 

 Wings very broad and membranous. Head small ; eye 

 prominent ; antennas long and delicate. 



Family. MYRMELEONIIXffi. Body long and slender 

 Head small ; no ocelli. Wings large and netted, with 

 strong forked vein. Abdomen long. 



Genus. MYUMELEON. Wings equal size. Hot countries. 



Genus. NEMOPTERA. Hind-wings very long and narrow, 

 Hot countries. 



Order. _ TRICHOPTERA. _ Wings four ; front pair 

 mostly hairy, second pair large and folded when at rest. 

 Long spines at end of tibiae. Mouth not fitted for eating 

 Larva mostly resident in sub-aquatic case. Pupa mostly in- 

 active. 



Order. HYMENOPTERA. Wings four, transparent, 

 membranous ; veins few, hinder pair smallest. Mandible* 

 powerful. Abdomen of female either with a saw or a sting. 

 Larva footless ; pupa inactive. 



Section. TEREBRANTIA. Abdomen of females 

 furnished with a boring instrument. No poison gland. 



Sub-section. PHYTIPHAGA. No footstalk to abdomen. 

 Tribe. SERRIFERA. Boring instrument saw-liko. 

 Family. TENTHREDINID.S!. As Tribe. 



Genus. CIMBEX. Club of antennao composed of two 

 united joints ; five joints preceding club. 



Genus. ATHALIA. Antennae nine or ten-jointed, third 

 joint long ; club indistinct. 



Genus. NEMATUS. Antennae nine-jointed. Tarsi simple. 

 Family. UROCEKID^!. Boring instrument awl-like. 



Genus. UROCERUS. Ovipositor long. Front of thorax 

 not forming a neck. Maxillary palpi very short. 



Sub-section. ENTOMOPHAGA. Abdomen with foot- 

 stalk. 



Tribe. SPICULIFERA. Ovipositor needle-like. Ab- 

 domen not tubular at tip. 



Family. CYNIPID.2E. Ovipositor interior, nearly spiral. 

 Antennae straight. 



Genus. CYNIPS. Abdomen nearly egg-shaped. Antennae 

 of male fifteen-jointed, of female fourteen-jointed. Wings 

 large. 



Family. ICHNETTMONID.ffi. Abdomen attached to end 

 of thorax. Ovipositor and antennas straight, latter mostly 

 more than sixteen joints. 





