ENTOMOLOGY. 



691 



with the last joint but one bilobatc. Nails simple, en- 

 tire, or bifid. 



Tiube II. Tenebmonides. 



Mandibles bifid at their extremities. Head more or 

 less triangular, without a contraction behind, at its junc- 

 tion with the thorax. 



Family I. Tenebrionida. 



Tarsi with entire joints. Antennae moniliform, not 

 perfoliated or serrated. Maxillae unguiculated. 



Genus CXCII. Pedinus. Latr. 



Tenebrio. Linn. Geof. Marsh. 



Blai's. Fabr. Iierbst. 



Helops. Olivier. 



OpaTRUM. llliger. 



Body oval. Maxillary palpi terminated by a thick 

 joint. Antenna; filiform; the last joints globose or tur- 

 binated. 



S/i. I . Femoralis, 



Pedinus femoralis. Latr. 



Male. — Bla/is femoralis. Fabr. Herbst. 



O/iatrum femoratum. Illig. Co/eo/i. Bor. i. 109. 



Female. — Tenebrio femoralis- Linn. 



O/iatrum femorale. Illig. Coleo/i. Bor. i. 110. 



Blajti laticoltis. Herbst. 



Inhabits Europe in sandy places. 



Genus CXC1II. Opatrum. Fabr. Oliv. Lam. 



Silpha. Linn. 



Tenebrio. Geoff. 



Body oval; Maxillary palpi, with their last joint ob- 

 trigonate; antennae gradually thicker towards their ex- 

 tremities; the hist joints transverse, compressed. 



S/i. 1. Sabulosum. 



O/iarrum sabulosum. Fabr. Latr. 



Silpha sabulosa Linn. 



Inhabits Europe in bandy places. 



Genus CXC1V\ Tenebrio.* Linn. Geoff. Dc Gcer, 

 Fabr. Latr. 



Thorax behind as broad as the elytra, or scarcely nar- 

 rower. Body elongate. Antennae scarcely gradually 

 thicker towards their extremities, the eighth, ninth, 

 and tenth joints transverse; the last subglobose. Men- 

 turn some\*li;it quadrate. Maxillary palpi with their 

 last joint thick. 



S/i. 1 . Obscurus. 



Tenebrio obscurus. Fabr. Latr. Panzer. 



Inhabits Europe. 



Sfi. 2. Molilor. (Meal beetle.) 



Tenebrio molitor. Linn. Fabls Latr. 



Inhabits houses; the larvae in meal and flour; it is 

 called meal worm. 



Genus CXCV. Uris. Fabr. Paykull. 



Tenebrio. Latr. 



Atki.akus. Linn. 



Thorax behind narrower than the elytra. Body elon- 

 gate. Antennae thicker towards their extremities. Men- 

 turn ovate-quadrate; the upper margin rounded. Max- 

 illary palpi with their last joint thick. 



S/i 1 . Ceramboicles. 



Attelabus ceramboides. Linn. 



U/jis ceramboides. Fabr. Payk. 



Tern brio ceramboides. Latr. 



Inhabits Sweden, in the Boletus fomentarius. 



' The Genus Bokos of Iierbst, the tvpe of which 

 t An artificial family. 



Family 2. Diafierida.X 

 Tarsi with entire joints. Antennae not moniliform, 

 their extremities perfoliated or serrated. 



Division I. 



Body linear, or nearly so. Thorax almost quadrate, 

 Antennae terminated by a club. Maxillae unguiculated. 



Genus CXCVI. Toxicum. Latr. 



Antennae terminated by an oval compressed club, 

 composed of four joints. 



S/i. 1. Richesianum. 



Toxicum Richesianum. Latr. Gen. Crust, et Ins. 2 

 tab. 9, fig. 9. 



Inhabits the East Indies. 



Genus CXCVII. Sarrotriwm. Illig. Fabr. 



Hisi'A. Linn. Marsh. 



Tenebrio. De Geer. 



Okthocebus. Latr. 



Antennae with the last six joints forming a thick, fusi- 

 form, downy mass. 



S/i. 1. Muticum. 



Sarrotrium muticum. Payk. Fabr. 



llisjia mutica. Pinn. Marsh. 



Orihocerus /unicornis. Latr. 



Inhabits sandy places. In Britain it is rare, or at least 

 very local. It has been found in gravel pits near Nor- 

 wich, by Mr Joseph Hooker; in a similar situation near 

 Hampstead, by Mr Stephens; and in the sandy shores 

 near Swansea, in South Wales, it is very abundant in 

 the months of June and July. 



Division II. 



Body linear. Thorax longer than broad. Antenna* 

 not moniliform, gradually thickening from the third 

 joint; the extremity more or less pcrioliated. Maxillae 

 simple, not unguiculated. 



Genus CXCVIII. Hypophljeus. Fabr. Latr. 



I ps. Rossi, Olivier. 



Antenna: from the filth joint perfoliated. Labrum ex- 

 sertecl. Mentum short, almost transverse-linear. Tho- 

 rax elongate-quadrate, marginated. 



Sfi 1. Bicolor. 



etyfioflhlt&us bicolor. Fabr. Latr. 



Ifis bicolor. Olivier. 



Inhabits under the bark of the elm. 



Division III. 



Antennae not moniliform. Body oval, or nearly orbi- 

 cular; a little longer than broad. 



Subdivision I, 



Antennae not serrated at their extremities. 



Genus CXCIX. Phaleria. Latr. 



Tenebrio. Fabr. 



Anterior tibiae elongate-trigonate. Tarsi short. An- 

 tennae gradually thickening towards their extremities, 

 where they arc perfoliated. Body oval. 



Sfi. 1 . Cadaverina. 



Tenebrio cadaverina. Fabr. 



Inhabits sandy places. 



Genus CC. Diaperis. Geoff. Fabr. Oliv. Lam. 



Ciihvsomeia. Linn. Marsh. 



Tenebrio. De Geer. 



Antenna; gradually enlarging towards their extremi- 



is Hypophaus borop of Fabiicius, is unknown to us. 

 4 S 2 



