258 INSECTS. COLEOPTERA. 



II. All the palpi filiform. 



1. Antennae inserted above the lahrum and mandibles, between the eyes. 



A. Anterior tarsi much dilated in both sexes, or at least in the males. 



Gen. STAPHYLINUS. 



B. Anterior tarsi not dilated in either sex. 



Gen. XANTHOLINUS. 



2, Antennae inserted before the eyes, beyond the labrum, and near the base of the 

 mandibles. 



Gen. PINOPHILUS, LATHROBIUM, (the anterior tarsi dilated.) 



Gen. OXYPORUS, Fab. Staphylinus, Lin. 

 Maxillary palpi filiform, and the labial ones terminated by a club- 

 shaped joint. 



O. rufus, Lat. Ferruginous, with the head, breast, extremity, the 

 interior margin of the elytra, and anus black. 3 lines long. In- 

 habits Europe, on Boleti. Lai. Hist. ix. pi. 80, fig. 3. 



Gen. ASTRAP.EUS, Gravenhorst, Staphylmus^ Fab. 

 Palpi terminated by a larger and almost triangular joint. 



A. ulmi, Lat. Shining black, with the base of the antennae, mouth, 

 elytra, and last segment of the abdomen, chestnut- coloured ; tho- 

 rax very smooth ; and some impressed points on the elytra. 

 Found under the bark of the elm, in France and Italy Lat. 

 Hist. ix. pi. 79, fig. 3. 



Gen. STAPHYLINUS, Fab. 



All the palpi filiform, and the antennae inserted between the 

 eyes ; anterior tarsi dilated in both sexes, or at least in the 

 males. 



S. hirtus, Lin. Black, hairy, with the head, thorax, except its 

 posterior margin, and the last three segments of the abdomen, gol- 

 den-yellow ; posterior half of the elytra obscure cinereous ; body 

 below violet-black. 8 to 10 lines long. Inhabits Europe Lat. 

 Hist. ix. pi. 79, fig. 4. 



S. maxillosus, Lin. Shining black ; head broader than the thorax ; 

 greater part of the abdomen and elytra grayish, with points and 

 black spots. 8 lines long. Inhabits Europe, in dunghills, &c. 

 Shaw, vi. pi. 39. 



S. olens, Fab. Deep black, with the head broader than the thorax ; 

 extremity of the antennae brown, and the last joint notched. 1 

 inch long. Europe, under stones. Cuv. Reg. An. iii. 219. 



Gen. PINOPHILUS, Grav. 

 Palpi filiform ; but the antennae inserted before the eyes, and 



near the exterior base of the mandibles. 



P. latipes, Gravenhorst ; but united to the following genus in his 

 supplement. 



Gen. LATHROBIUM, Grav. Staphylinus, Lin. 

 Body linear ; antennae inserted beyond the labrum, at the ex- 



