692 



ENTOMOLOGY. 



ties, from the fourth joint perfoliated. Body nearly 

 hemispheric, very convex above. 



S/i. 1. Boleti. 



JDiaperis boleti of authors. 



Chrysomela boleti. Linn. Marsh. 



Inhabits the boleti of trees. 



Genus CCI. Eustrophus. Latr. 



Mycetophagus. Fabr. 



Antennae gradually enlarging towards their extremi- 

 ties. Thorax large, almost semicircular. Head much 

 deflexed. 



Sp. 1. Dermestoides. 



Mycetophagus dermestoides. Fabr. 



Eustrophus dermestoides. Latr. 



Genus CCII. Te tratoma. Herbst, Fabr. Payk. 



Antennae terminated by a club of four joints, the other 

 joints very small. Body oval. Tibiae not spiny. 



■S/i. 1. Fungorum. 



Tetratoma fungorum. Fabr. Payk. Latr. 



Inhabits Europe. 



Genus CCIII. Leioides. Latr. 



Anisotoma. Illig. Fabr. 



Sphxridium. Olivier. 



Tetratoma. Herbst. 



Antenna abruptly terminated by a five-jointed club, 

 the eighth joint (the second of the club) very small. 

 Thorax almost hemispheric. Tibiae spinosc. 



Sfi. I. Picea. 



Anisotoma piceum. Illiger. 



Anisotoma fiicea. Panzer. 



Leioides fiicea. Latr. 



Inhabits Europe. 



Genus CCIV. Trachyscems. Latr. 



Mycetophagus. Fabr. 



Antennae abruptly terminated by a much perfoliated 

 six -jointed club. Body rounded, elevated. Feet formed 

 for digging. Tibiae very spiny. 



Sp. 1. Aphodioides. 



Trachyscelis afihodioides. Latr. 



Inhabits Egypt. 



Genus CCV. Cossyphus. Oliv. Fabr. Herbst, Latr. 



Head concealed under the thorax. Scutellum distinct. 

 Abdomen included in a canal formed by the elytra. Feet 

 compressed. Labium naked. Mentum transverse cor- 

 dale-qfiadrate. Maxillary palpi, elongate; the last joint 

 securiform. Mandibles abruptly attenuated. 



Sfi. 1 . Dcjiressus. 



Cossyphus de/iressus. Fabr. Oliv. Herbst, Latr. 



Inhabits the East Indies. 



S/i. 2. Hoffmanscggii. 



Cossyfihus Hoffmanseggii. Latr. 



Inhabits Barbary and Portugal. 



Subdivision 2. 



Antennae terminated by joints resembling in their form 

 the teeth of a saw. 



Genus CCVI. Eledona. Latr. 



Bolitophagus. Illig. Fabr. 



Opatrum. Oliv. Marsh. 



Diaperis. Olivier. 



Palpi filiform ; maxillary ones with their last joint al- 

 most cylindric. Antennae arcuate. Body oval, convex, 

 generally rough. Thorax transverse, emarginate be- 

 fore; the side often with acute margins. 



Sfi. 1. Agarkola. 



Eledona agaricola. Latr. 



Op.atrv.rn agaricola. Oliv. Marsh. 



Bolitophagus agaricola. Illig. Fabr. 



Inhabits Boleti and other Fungi. 



Genus CCVII. Epitragus. Latr. 



Maxillary palpi with the last joint large obtrigonate. 

 Antennae with the four last joints dentiform. Mentum 

 very large. Body elliptic or oblong. Thorax quadrate, 

 or trapeziform. 



S/i. 1. Fuscus. 



Epitragus fuscus. Latr. 



Inhabits Cayenne. 



Genus CCVIII. Cnodalon. Fabr. Latr. 



Maxillary palpi with the last joint very large, securi- 

 form. Antennae with the six last joints dentiform. Men- 

 tum not very large. Body oval, very convex. Thorax 

 transverse. 



Sfi. 1. Viride. 



Cnodalon viride. Latr. Gen. Crust, et Ins. 2 tab. 10. 

 fig. 1. 



Inhabits the West Indies. 



Division IV. 



Antennae nearly or quite filiform, with their extremi- 

 ties simple. 



Subdivision 1. 



Mandibles with their extremities bifid. 



Genus CCIX. Helops. Fabr. Oliv. Lam. Illig. Latr. 

 Rossi. 



Teneurio. Linn. 



Maxillary palpi terminated by a securiform joint. An- 

 tennae as long or longer than the thorax. Thorax quad- 

 rate or semicircular. Body convex. 



Obs. This genus is artificial; it comprehends the ge- 

 nera Helofis, Platy7iotus, and part of Melandrya of Fabri- 

 cius, and part of the genus Serropalpus of Illiger, and 

 the rejected genus Helxa of Latreille. 



Sp. 1. Lanipes. 



Helops Lanipes. Fabr. Latr. Oliv. 



Tenebrio La?iipes. Linn. 



Inhabits Europe. 



Genus CCX. Pytho. Latr. Fabr. 



Tenebrio. Linn. 



Cucujus. Paykull. 



Maxillary palpi terminated by a large almost obtri- 

 gonate joint. Antennae shorter than the thorax. Body 

 depressed. Thorax almost orbicular. 



Sp. 1. Caruleus. 



Pytho caruleus. Latr. Fabr. 



Cucujus caruleus. Paykull. 



Tenebrio depressus. Linn. 



Inhabits the mountains of France, Germany and Swe- 

 den, under the bark of trees. 



Genus CCXI. Hallomenus. Helhvig, Payk. Latr. 



Dirc/ea. Fabr. 



Serropalpus. Illiger. 



Dinophorus. Illiger. 



Palpi almost filiform; the last joint of the maxillary- 

 ones almost cylindric. 



Sp. 1. Humeralis. 



Hallomenus humeralis. Panzer. 



Ha/to?ne?ius Bipunctalus. Paykull. 



Serropalpus humeralis. Illiger, Col. Bor. 1. 134. 



Dircaa humeral.-:. Fabr. 



Inhabits Boleti, and under the bark of trees. 



Subdivision 2. 



Mandibles with their points entire. Tarsi with denti- 

 culated nails. 



