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650 . 
LATHROBIUM TERMINATUM. 
//J 
Order Coleoptera. Fam. Staphylinidae. 
Type of the Genus , Staphylinus elongatus Linn. 
Lathrobium Grav., Gyl., Dej., Curt. — Psederus Fab., Payk. --Sta- 
phylinus Linn., Mars. 
Antenna inserted on each side the clypeus before the eyes, rather 
short, straight, filiform and pubescent; 11 -jointed, basal joint 
stout, elongate -ovate; 2nd short, pyriform truncate, 3rd longer, 
the remainder short and subturbinate, apical joint ovate-conic, 
slightly acuminated (6). 
Labrum transverse; notched in the centre, so as almost to form 
2 large lobes, ciliated with very long bristly hairs (1). 
Mandibles curved, the apex claw-shaped, with a deep fissure on 
the inside forming an obtuse tooth above and a trigonate shoulder 
below (2). 
Maxilla with a large ovate, very pubescent lobe on the inside, 
terminated by a smaller one very pubescent and densely ciliated 
with long hairs. Palpi rather stout clavate hairy and 4-jointed, 
basal joint small, 2nd and 3rd long, stout and clavate, the latter 
the longest, 4th short, slender and somewhat pear-shaped (3). 
Mentum transverse, the sides with a few long bristles, angulated 
near the base, narrowed anteriorly, the margin concave. Labium 
long, constricted near the middle, dilated before, the centre cor- 
date and transparent, the sides thickened pubescent and pro- 
jecting, with a short spine at the apex. Palpi attached near the 
centre of the lip, composed of 3 elongated joints of nearly equal 
length, 2nd joint the stoutest, subovate, with a few long bristles, 
3rd very slender and nearly linear (4) . 
Head small and ovate : eyes small : neck slender. Thorax oblong, 
convex, not broader than the head. Elytra oblong, scarcely broader 
than the thorax : wings ovate, short and broad. Abdomen very long 
and linear, the penultimate segment carinated beneath and notched in 
the males, the apex conical with a hairy process, on each side. Legs 
short and stout : thighs stout, especially the anterior, which are an- 
gulated beneath towards the apex: tibiae very short, anterior not 
longer than the thighs, with a lobe and cavity inside near the base, 
to receive the tubercle on the thigh: tarsi very short and 5 -jointed, 
anterior dilated and cushioned beneath in both sexes, the others slender 
and hairy (5, a fore leg). 
Terminatum Grav. — - Curt . Guide, 201. 
Black, shining, pubescent, trophi and base and apex of antennae 
ferruginous, palpi piceous at the apex ; head thickly punctured, 
excepting the crown ; thorax more deeply punctured, with a 
smooth space down the back ; elytra thickly but less strongly 
punctured, with a bright ferruginous spot at each apical angle : 
abdomen clothed with short suhochreous pubescence : legs dark 
ochreous. 
In the Author s and other Cabinets. 
