ENTOMOLOGY. 



55 



Pule* irritant, pi. 33, fig. 5. With an oval compressed body, 

 consisting of twelve segments ; three of which compose the 

 thorax, and the remaining the abdomen; six feet ; beak, jointed, 

 consisting of two plates inclosing a sucker. 



ORDER IV. COLEOPTERA. 



Having four crus tarpons elytra or wings, the two upper ones 

 in the form of cases, and covering the under ones when at rest, 

 which are folded across ; they are provided with mandibles and 

 jaws for mastication ; the suture betwixt the elytra straight. 



SECTION I. PENTAMERA. 

 Tarsi with five joints. 



FAMILY I. ADEPHAGI. 



Each jaw with two palpi, in all six; antenna; generally fili- 

 form, and simple. 



TRIBE I. CICENDEJ.BT.S. TERRESTRIAL. 



With strong dentated mandibles ; labium small, concealed by 

 the chin ; labial palpi four jointed; jaws unguiculated, or end- 

 ing in a spine or point ; eyes produced ; tarsi long and slender. 

 Cicendela octonotata, pi. 33, fig. 6. 



TRIBE II. CABABICU 



Mandibles rarely dentated ; labium produced ; extremities of 

 the jaws arched or hooked, and sometimes nearly straight; no 

 articulated spine. Braehinus Jurince, pi. 33, fig. 7. 

 TRIBE III. HYDROCANTHASI. AQUATIC. 



With seven-jointed, filiform antennae, longer than the head, 

 inserted near the labium ; exterior palpi filiform ; two eyes ; 

 tarsi five jointed. Colymbetet marmoratus, pi. 33, fig. 8. 



TRIBE IV. GTHINITES. 



With claviform antennae shorter than the head ; four eyes ; 

 anterior feet long-, advancing ; four posterior ones, membranous, 

 broad, and fin-shaped ; joints of tarsi laterally dilated. Gyrinut 

 tulcattu, pi. 33, fig. 9. 



FAMILY II. BRACHYPTKRA. 



Body elongated, narrow; antennae moniliform 5 each jaw 

 provided with a palpus ; elytra shorter than the abdomen, but 

 covering the wings ; anal appendages hairy. 



TRIBE I. FISSILABFI. 



Head appearing as if separated from the body by strangula- 

 tion, with a deeply notched labrum. Qxyporus rufus, pi. 33. 

 fig. 10. 



TRIBE II. LONGIPALPL 



Head much separated from the body ; an entire labrum ; 

 maxillary palpi length of the head, fourth joint concealed. 

 PtEdemt ruficottii, pi. 33, fig. 11. 



TRIBE III. DKPKESSI. 



Maxillary palpi short, fourth joint projecting ; head in most 

 males horned ; tarsi with three joints, last very long. Lesleva 

 dichroa, pi. 33. fig- 12. 



TRIBE IV. MICBOCBPHALI. 



Head concealed in the thorax nearly to the eyes; thorax 

 widening backwards trapeziform. Tachinus atricapillus, pi. 33, 

 fig. 13. 



FAMILY III. SERRICORNBS. 



With filiform or setaceous antennae, tufted, serrated, or pec- 

 tinated in the males ; some ending in a toothed club ; upper 

 part of abdomen covered by the elytra, except in one genus ; 

 tarsial penult joint frequently bilobed. 



TRIBE I. BUPRESTIDES. 



Body ovate ; short and serrated antennas ; eyes oval ; palpi 

 filiform ; thorax short and broad ; first four joints broad, trian- 

 gular, cordiform, penult one bilobed. Buprestis rufipet, pi. 

 33. fig. 14. 



TRIBE II. ELATERIDBS. 



Body linear, depressed ; mandibles notched, or bifid at their 

 points ; maxillary palpi with a triangular terminal joint ; 

 angles of the thorax toothed. Elater areolus, pi. 33, fig. 15. 



TRIBE III. CEBGIONITES. 



Mandibles terminating in a simple point; palpi filiform ; body 

 oval or oblong, arched above, sometimes hemispherical, llhi. 

 picera cyanea, pi. 34, fig. 16. 



TRIBE IV. LAMPYRIDES. 



Body straight ; thorax depressed, semicircular or square, 

 overshooting the head ; maxillary palpi thickest at their ex- 

 tremity ; mandibles small, acute ; penult joint of tarsi bilobed. 

 Lampyrii Savignyi, pi. 33, fig. n. 



TRIBE V MBLYRIDES. 



Body oblong, back depressed, thorax nearly square ; elytra 

 flexible ; mandibles notched at tip and elongated ; palpi fili- 

 form, short ; head covered at the base ; joints of tarsi entire. 

 Mulachius eeneus, pi. 34, fig. 18. 



TRIBE VI. CLF.KII. 



Body cylindrical ; head sunk in thorax ; mandibles bifid at 

 theii tips ; antennae filiform, serrated, and knobbed ; palpi cla- 

 viform ; penult joint of tarsi bilobed ; eyes internally notched 

 at base of antennae. Opilo mottit, pi. 34, fig. 19 



TRIDB VII. XTLOTROOI. 



Body long, linear, head globular, neck distinct ; mandibles 

 short, thick, dentated ; antennae and tarsi filiform, last joint 

 bilobed ; in some the elytra very short. Hylecaetut Dermet- 

 t aides. 



TRIBB VIII. PTINIORICS. 



Body ovoid, both ends rounded, convex abcve ; head some, 

 what concealed in the thorax ; mandibles short and dentated 

 antennae simple, filiform, setaceous or flabelliform, and serrated 

 or pectinated: palpi short, thick at the points; tarsi thort. 

 Anuliium tesselatum, pi. 33, fig. 20. 



FAMILY IV. CLAVICORNEI. 



With four palpi, elytra nearly covering the abdomen; anten- 

 nae eleven jointed, knobbed at their points ; tarsi five jointed. 



TRIBB I. HYSTROIDA. 



Head posteriorly sunk in the thorax ; mandibles strong, pro. 

 trudiug, points prolonged ; elytra trunnhted ; feet contrac. 

 tile ; body square. Hotolepta glabra, pi. 33, fig. 22. 



TRIBB II. PHLTOIDBS. 



Head sunk in the thorax ; maxillary palpi shorter than the 

 head ; elytra not covering the abdomen entirely. Necrophorui 

 mallei, pi. 33, fig. 23. 



TRIBE III PALPATORES. 



Head ovoid, apart from the thorax, which is narrower than 

 the head ; maxillary palpi length of head, tumid at their 

 points ; abdomen ovoid, covered by the elytra. Mastigut pal- 

 palis. 



TRIBE IV. DERMESTIXI. 



Antennas abruptly claviform ; legs straight ; mandibles 

 short, thick, and arched ; feet short, not contractile; body 

 ovoid ; palpi short, filiform. Dermestes lardariui, pi. 33 

 fig. 26. 



TRIBB V. BYRRHI. 



Antennae filiform, thickened at tips ; legs broad ; feet con- 

 tractile ; upper extremity of pre-sternum dilated. Byrrhu* 

 pilula, pi. 33, fig. 27. 



TRIBB VI. MACRODACTYLI. AQUATIC. 



Tarsi generally four-jointed; sternum dilated in front; an. 

 tennae six or seven jointed, some ten or twelve, fusiform or cy- 

 lindrical, not larger than head ; tarsi with a broad termi 

 nation and two hooks. Heterocertu marginalia, pi. 34, fig. 28 



FAMILY V. PALPICORNES. 



Antennae compressed, six or nine jointed, with a perfoliated 

 or solid claviform termination ; body hemispherical, or ovoid ; 

 mentum large ; maxillary palpi long. 



TRIBB I. HYDROPHILII. 



Feet fitted for swimming; first joint of tarsi indistinct: 

 jaws all corneous ; mandibles bidentated, or entire at their 

 tips ; thorax broader than long. Hydrophilus caraboidei, pi. 

 34, fig. 20. 



TRIBE 1 1. SPRJERIDIOTA. 



Legs spinous ; feet fitted for walking ; tarsi five-jointed, first 

 and second same length ; jaws with two terminal lobes ; body 

 hemispherical; maxillary palpi tumid. Spheeridium icara. 

 bceoides, pi. 34, fig. 30. 



FAMILY VI LAMELLICORNES. 



Antennae eight to eleven jointed, but nine or ten the prevail- 

 ing number, placed in a furrow, short and claviform, consisting 

 of pectinated laminae ; two anterior legs externally dentated 

 chin large, frequently covering the labium. 



TRIBE I. SCARAB.EIDES. 



Antennae claviform and laminated, the first cup-snaped enve 

 loping the rest. Oryctet Chevrolatii, pi. 33, fig. 31. 

 " The animals of this tribe are numerous, subject to great 

 variety and are, in consequence, arranged in six sub-tribes. 



TRIBB II. LLTANIDES 



Antennae ten-jointed, club-leaflets perpendicularly pecti- 

 nated. Lucanus cinnamoneui, pi. 33, fig. 32. 



SECTION II. HETEROMERA. 

 First four tarsi five, and last two four jointed. 



FAMILY I. MELASOMA. 



Tarsial joint? mostly entire ; antennae moniliform, third joint 

 elongated, always inserted under the projecting borders of the 

 head; point of mandibles bifid ; internal side of jaws with a 

 tooth or hook. 



TRIBE I. PIMBLIARUE. 



Aptorous ; elytra crusted and cover the abdomen, maxil- 

 lary palpi filiform, or terminated by a some what enlarged joint. 

 Pimelia tettita, pi. 33, fig. 33. 



TRIBB n. BLAPSIDBS. 



Maxillary palpi triangular or dolabriform, with the terminal 

 joints larger than the preceding, lilaps mortiiaga, pL 33. 

 fig. 34. 



TRIBE ill. TENKBRIONITBI. 



Having wings, and the elytra free. Cryptieut gibbuhu, pL 

 33, fig. 85. 



