COMPENDIUM OF GENERIC DISTINCTIONS, 



789 



Family. BUPRESTIDJE. Body long ; tips of elytra 

 often toothed. Head very short; antennae serrated. Tarsi 

 short. 



Genus. CHRYSOCHROA. Thorax very broad in middle, nar- 

 rowing to neck. Eyes large. Elytra narrowing behind. 

 Colors always brilliant. India. 



Family. ELATERID/E. Body hard; antennae short and 

 serrated : head sunk in thorax as far as eyes. Thorax with 

 hinder angles lengthened at spines. Limbs very short. 



Genus. PYROPHORUS. Antennae rather stout ; elytra 

 sharply pointed. Light-emitting spot near each hinder angle 

 of thorax, and two more under elytra. Brazil. 



Stirfs. A PROS TEKNf.Thonx. moderate ; body mostly 

 soft. 



Family. LAMPYRID.'E. Body long and flat; head 

 small ; thorax extending over head ; antennae often toothed or 

 serrated. 



Genus. LAMPYRIS. No beak to head, which is covered by 

 thorax. Female wingless. 



Family. TELKPHORIDjE. Both sexes winged; head 

 projecting. Last joint but one of the tarsi with two lobes. 



Family. PTINID/E. Body oval or cylindric. Head sunk 

 into thorax as far as eyes ; antenna; longish ; thorax broad in 

 front. 



Genus. MEZIUM. Elytra globular ; thorax furrowed ; wings 

 none. 



Genus. PTIUNUS. Body cylindric. Antennas of male 

 comb-like. 



Genus. ANOBIUM. Antennae with three last joints largest, 

 last joint egg-shaped. Body longish and egg-shaped. 



Section. HE TEROMERA .Four front tarsi five-jointed, 

 last pair four-jointed. 



Family. PYROCHROID^. Body flattened; neck dis- 

 tinct; front part of body narrow. Abdomen broader than 

 thorax, rounded at tip. Antenna; of males serrated. 



Genus. PYROCHROA. Antennae larger than head and 

 thorax ; comb-like in male. 



Family. MORDELLID^E. Body elevated and arched; 

 head very low. 



Genus. RIPIPHORUS. Scutellum concealed; antennae of 

 male comb-like. 



Family. CANTHARID/E. Head wide behind eyes, then 

 narrowed to short neck. Supplementary claws to tarsi. 

 Abdomen soft ; thorax narrow behind. 



Genus. CANTHARIS. Narrow, two wings ; elytra long. 



Genus. SITARIS. Elytra narrowed, not overlapping ; wings 

 two. Antenna; simple. 



Genus. MELOE. Elytra short, overlapping. Wings none- 

 Antennae various. 



Section. A TRA CHE LI A .Hinder part of head very 

 wide, sunk into thorax as far as eyes. Elytra firm ; joints of 

 tarsi not widened. 



Family. TENEBRIONID^E. Elytra free, wings for 

 flight. Thorax as wide behind as base of elytra. 



Genus. TENEBRIO. Narrow, long ; thorax squared ; an- 

 tennae thread-like. 



Section . PSE UDO TE TRA MERA .Fourth joint of tarsi 

 very minute. 



Stir ps. RHYNCHOPORA.-H.mA produced into long 

 beak. Antenna; short and mostly elbowed. 



Family. BRUCHID^E. Beak short, broad, flat. 



Genus. BRUCHUS. Antenna; often toothed, slender, some- 

 times thicker towards tips. Elytra squared and oblong. 



Family. ATTELABID^. Antennae not elbowed: beak 



mostly curved and cylindrical. 



Genus. RHYNCHITES. Antenna; straight, eleven-jointed. 

 Neck thick ; beak wide at tip. 



Family. CURCULIONID^E. Antennae elbowed; basal 

 joint long, club at tip. Jaws at end of beak. 



Genus. BALANINUS. Body triangular. Beak nearly or 

 quite as long as body ; antenna; set behind middle of beak. 



Genus. CALANDRA. Antennae nine-jointed, funiculus six- 

 jointed. 



Genus. EUPHOLUS. Antennae moderate. Beak short, 

 thick, nearly straight. Eyes round. Elytra nearly cylindrical. 

 Tarsi large. New Guinea. 



Family. SCOLYTID^E.Beak short, third joint of tarsus 

 two-lobed. Body cylindric or oblong, rounded above. Anten- 

 na; with basal-joint long, end-joints forming a kind of solid 

 mass. 



Genus. SCOLYTUS. Body truncated behind. Funiculus of 

 antenna; six-jointed. 



Section. LONGICORNES.Antennx very long, some- 

 times serrated or tufted. Body long, rather flattened ; elytra 

 broader than thorax. Head short, not beaked. Legs long. 



Family. PRIONID^E. Head not narrowed into neck. 

 Mandibles very large and strong. Antenna; inserted between 

 base ot mandibles and eyes. 



Genus. XBNOCERUS. Antenna; enormously long. Beak 

 short, wide and bent. Eyes scooped. Thorax rather long, or 

 transverse ; stripe before base. Elytra rather cylindrical. 



Family. CERAMBYCID^E. Eyes semilunar or kidney- 

 shaped. Antenna; inserted close to eyes, not serrated. Body 

 long. 



Genus. CBRAMBYX. Body rather rounded, no spines on 

 antenna;. Cross wrinkles on thorax 



Genus. CLYTUS. Thorax globular, not armed. Antennae 

 homed ; elytra entire at tip. 



Genus. DISAULAX. Thorax rounded, wide in middle. 

 Antennae densely tufted in middle. 



Section. PHYTOPHAGA. Body thick, oval, round, or 

 squared. Head short, sunk to eyes in abdomen. Antenna; 

 short. 



Family. CASSIDID^E. Body flattened and broad. 

 Mouth under head ; body oval or round. 



Genus. CASSIDA. Rounded, flat beneath ; mouth concealed 

 by part of thorax ; head covered by thorax. 



Genus. ASPIDOMORPHA. Thorax wide and shield-like. 

 Elytra rounded over body, then spread flatly. Heart-shaped 

 when united. 



Family. CHRYSOMELID^E. Antenna; set widely apart. 

 Body hemispherical ; legs equal-sized. Mandibles notched at 

 tips. 



Genus. CHRYSOMELA. Winged ; palpi hatchet-shaped. 

 Genus. TIMARCHA. Wingless; elytra soldered. 



Section. PSEUDOTRIMERA. Third joint of tarsi 

 inute, recurved be 

 covering abdomen. 



minute, recurved between the two lobes of se 



u'rd joint 

 cond joint. 



Elytra 



Family. COCCINELLIDJE. Body convex and hemi- 

 spherical. Thorax short and transverse. Second joint of tarsi 

 large. 



Genus. COCONELLA. 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 

 wings. 



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. BLATTID^. Body oval and flat. Head small, 

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

 legs spurred. Two short-jointed appendages to abdomen. 



Genus. BLATTA. As family. 



Section. RAPTORIA. Body long, narrow, nearly cylin- 

 drical. Abdomen broader than front of body. Head exposed. 

 Upper wings horizontal. Fore-legs enormous, used for capt- 

 ure. 



Family. MANTID^E. As Section. 



Section. AMBULA TORI A . Body lone and slender. 

 All legs alike. Front wings comparatively small, hinder wings 

 large. 



Family. PHASMID^E. As Section. 



