

INSECTA. 529 



b) With antennae distant at the base : Staphylinus ERICHS., 

 Ocypus KIRBY, Philonthus LEACH, Acylophorus NORDMANN, Quedius 

 LEACH, Astrapceus GRAY., Oxyporus FABR., &c. Comp. ERICHSON, 

 1.1. pp. 291559. 



Sp. Staphylinus erythropterus FABK., Staphyl. ccesareus CEDERHJELM, ERICHS., 

 PANZER Deutschl. Ins. Heft 26, Tab. 4, DUMERIL Cons. g6n. s. I. Ins. PI. 3, 

 fig. i ; 8'" to 9'" long, black, with short, yellow, glistering hairs, shield- 

 covers and feet red-brown, antennae yellow-brown, at the extremity mostly 

 blackish ; Staphyl. castanopterus GRAV., Staph. erythropterus L. &c. The 

 largest native species is Staphylinus olens FABR., Ocypus olens, PANZER 

 1. 1. Tab. i, KATZEBURa Forst-Ins. I. Tab. I. fig. 14; 10'" to i" long, quite 

 black. Of this species the larva and nymph are figured by BLANCHARD in 

 GUERIN Magas. de Zool. 1836, Ins. PI. 165, and more accurately by 

 Osw. HEER (Observ. Entomol. Turici, 1836, 8vo. Tab. in. A) and RATZE- 

 BURG loc. cit. 



Pcederus FABR. Head exsert, affixed to thorax by a slender 

 leek. Labrum with sides often membranous, bilobed, or slightly 

 marginate in the middle. Maxillary palps elongate, with fourth 

 oint very small ; labial palps short, triarticulate. Antennae inserted 

 .nder the margin of frons, with eleven joints, filiform. Tarsi with 

 :ve joints. 



d) Fourth joint of tarsi simple. 

 Lathrobium GRAVENH., Stilicus LATR., &c. 



6) Fourth joint of tarsi bilobed or provided with a membranous lobe. 

 Pcederus GRAVENH., -Sunius LEACH. 



On these and other sub-genera compare ERICHSON 1. 1. pp. 560 667. 



Sp. Pcederus riparius FABR., PANZER Deutschl. Ins. Heft 9, Tab. 1 1 ; 

 Pcederus ruficollis FABR., PANZER Deutschl. Ins. Heft 2 7, Tab. 23, GUERIN 

 Iconogr. Ins. PL 9, fig. 5, &c. 



Procirrus LATE. 

 PinopMlus GRAVENH. 



On these and other genera and sub-genera, composing the tribe of the 

 Pinophilini, consult ERICHSON 1. 1. pp. 668 686. 



Stenus LATK. Head exsert, inserted in thorax by a thick neck, 



ith eyes large, protuberant. Labrum entire, horny. Labium 



^ongate, exsertile. Maxillary palps elongate, with fourth joint very 



hall; labial palps short, triarticulate. Antennae short, inserted 



VOL. i. ,34 



