700 



ENTOMOLOGY. 



Subdivision 1. 



Tarsi with the first joint not longer than the following 

 one. Palpi very short ; the maxillary ones not, or but 

 little, prominent. Antennae with an abrupt club of three 

 joints, not longer than the head. Body elongate, linear. 



Genus CCLXXX. Colydium. Latr. Fabr. Hcrbst, 

 Paykull. 



Tritoma. Thunberg. 



Ips. Olivier, Rossi. 



Sfi. 1. Elongatum. 



Colydium elongatum. Fabr. Herbst, Paykull, Latr. 



Ifis elongatus. Olivier. 



Ifis linearis. Rossi. 



Inhabits Europe, under the bark of trees. 



Subdivision 2. 



Tarsi with the first joint longer than the second. 

 Palpi very short, the maxillary ones but little or not at 

 all prominent. Antenna? as long as the thorax, or less. 



Genus CCLXXXI. Latridius.* Herbst. 



Ips. Olivier. 



Corticaria. Marsham. 



Dermestes. Fabricius, Paykull. 



Antennae with the second joint larger than the third. 



Sfi. 1. Porcatus. 



Latridius fiurcaCus. Herbst. 



Latridius minutus. Latreille. 



Dermestes tnarginatus. Paykull. 



Inhabits houses in Europe. 



Genus CCLXXXII. Silvanus. Latreille. 



Tenebrio. De Geer. 



Dermestes. Fabricius, Panzer. 



Ips. Olivier. 



Colydium. Paykull, Herbst. 



Carticaria. Marsham. 



Antennae with the second and following joints to the 

 eighth joint nearly equal. 



Sfi. 1. Unidentatus. 



Sylvanus unidentatus. Latreille. 



Dermestes unidentatus. Fabricius. 



Ifis unidentatus. Olivier. 



Colydium unidentatum. Paykull. 



Colydium filanum. Herbst. 



Inhabits Europe, under the bark of trees. 



Sfi. 2. I'rumentarius. 



Colydium frumentarium. Panzer. 



Corticaria frumentaria. Marsham. 



Sylvanus frumentarius. Latreille. 



Inhabits Europe. 



Subdivision 2. 



Tarsi with the first joint not longer than the following 

 joint. Maxillary palpi prominent. Body elongate, nar- 

 row. Antcnnx with the three last joints rather thicker. 



Genus CCLXXXIII. Meryx. Latreille. 



Thorax almost cordiform. Eyes rather prominent. 

 Palpi clavate, the last joint sub-obtrigonatc, larger than 

 the rest. 



Sfi. I. Rugosa. 



Meryx rugosa. Latr. Gen. Crust, el Ins. xi. fig. 1. 



Inhabits the East Indies. 



Division IV. 



Antennae cloven-jointed. Mandibles prominent or ex- 

 serted. 



* The genus Dacycerus of Brongniart is akin to this genus. 



Subdivision 1. 



Mandibles small. Body long and linear. 

 Genus CCLXXXIV. Lyctus. Fabricius, Paykull. 

 Ips. Olivier. 

 Bitoma. Herbst. 

 Corticaria. Marsham. 



Antennae with a two-jointed club. Thorax long and 

 linear. 



Sfi. I. Oblongus. 

 Lyctus oblongus. Latreille. 

 Lyctus canaliculars. Fabricius. 

 Ifis oblongus. Olivier. 

 Bitoma unifiunctata. Herbst. 

 Corticaria oblonga. Marsham. 

 Inhabits Europe, in old wood. 



SubdivisioJi 2. 



Mandibles large. Body elongate, much depressed, 

 nearly equally broad. 



Genus CCLXXXV. Trogosita. Fabricius, Oli- 

 vier, Illiger, Latreille, Lamarck. 



Tenebrio. Linnaeus, Marsham, Rossi. 



Platyceuus. GeoflYoy. 



Thorax almost quadrate, separated from the abdomen 

 by a remarkable interval. Antennae moniliform, shorter 

 than the thorax, compressed towards the apex. Labrum 

 excerted, coriaceous, small, hairy, in front. 



Sfi. 1. Maurilanica. 



Tenebrio mauritanicus. Linnaeus ? Rossi, Marsham. 



Trogosita caraboides. Fabricius, Illiger, Paykulf, 

 Herbst, Latreille. 



Trogosita mauritanica. Olivier. 



Inhabits Europe. Dr Leach has seen it alive in a box 

 of insects brought from Paia in the Brasils. 



Tribe VI. Cucujides. 



Body oblong and much depressed. Head not globose. 

 Palpi filiform or thicker towards their extremities. An- 

 tennae of the same thickness throughout, all eleven- 

 jointed. Thorax almost quadrate, generally dentated- 

 or angulated. 



Division I. 



Antennae moniliform, shorter than the body. 



Genus CCLXXXVI. Parandra. Latreille. 



Isocerus. Illiger. 



Attelabus. De Geer. 



Tenebrio. Fabricius, Herbst. 



Labrum very small. Palpi terminated by an oval 

 joint. Tarsi long. Thorax" 1 quadrate, marginatc. 



Sfi. 2. Levis. 



Parandra Levis. Latreille. 



Attelabus levus. De Geer. 



Tenebrio brunneus. Fabricius. 



Tenebrio fiurfiurascens. Herbst. 



Inhabits America. 



Genus CCLXXXVII. Cucujus. Fabricius, Olivier, 

 Paykull. 



Cantharis. Linnaeus? 



Labrum porrect, very apparent. Palpi with their last 

 joint obconic, truncate. Tarsi short. Lip bifid. 



Sfi. 1. Defiressus. 



Cucujus defiressus. Paykull, Olivier, Latreille, Fa- 

 bricius. 



Cantharis sanguinolenta. Linnaeus? 



Inhabits Sweden and Germany. 



