■/ - J XZl 
188. 
ZABRUS OBESUS. 
Xt 
Order Coleoptera* Fam. Carabidae Lat. 9 Leciclu 
Type of the Genus Carabus gibbus FaL 
Zabrus Clairv., Bon., Leach, Sturm. — Harpalus LaL , GylL — Cara- 
bus Fab., Marsh., Panz. 
Antennae inserted close to the base of the mandibles, rather short, 
filiform and pubescent, excepting the 3 first joints ; 11 -jointed, 
basal joint robust oblong, 2nd the shortest, 3rd clavate, 4th 
scarcely so long as the preceding one, the remainder of equal 
length, excepting the last, which is rather longer and ovate 
{fig- 6). 
Labrum subquadrate, rather narrowed before, the anterior an- 
gles very round and the margin deeply notched, producing short 
bristles on the sides, and a few long ones in front (1). 
Mandibles subtrigonate, but little bent, one being sinuated on 
the internal margin (2). 
Maxilla long, the lobe narrow obtuse and ciliated with strong 
bristles. Palpi ; internal long, very slender, composed of 2 joints 
of equal length, the former clavate, the latter slightly curved, at- 
tenuated and truncated 5 external rather robust, 4-jointed, basal 
joint short, 2nd and 3rd long of equal length, the latter subcla- 
vate, the 4th short, subovate truncate (3). 
Mentum transverse, emarginate, with an obtuse simple tooth in 
the centre. Labium broad, horny dilated at the apex, produ- 
cing a membranous incurved lobe on each side. Palpi 3 -joint- 
ed arising from scapes, basal joint short slender, 2nd and 3rd of 
nearly equal length, the former subclavate pilose, the latter sub- 
fusiform and truncate (4). 
Head rather short and broad. Eyes small. Thorax very broad and 
gibbous , the sides convex, angles sometimes rounded. Coleoptra very 
convex and notched externally near the apex. Scutellum triangular . 
Wings ample. Thighs robust. Tibiae suddenly dilated at the apex , 
armed with short spines and spurs ; the anterior very much dilated 
towards their extremities, slightly notched and spined on the internal 
side near the apex. Tarsi slender , the anterior with the 3 basal joints 
dilated in the males . Claws simple (5, afore leg). 
Obesus Lat., Dej., Sturm. 
Male black, smooth, shining. Mouth ferruginous 5 mandibles 
and labrum castaneous inclining to black. Head broad. Thorax 
transverse, with an aeneous tinge on the margins 5 a transverse 
impression before, a faint channel down the centre, a fovea on 
each side near the base where it is punctured, the posterior an- 
gles rounded and slightly produced. Scutellum obsolete. Elytra 
slightly aeneous, with 9 obscurely punctured striae on each, the 
1st very short ; a row of deep punctures at the external margin. 
Antennae, legs, and underside piceous inclining to castaneous 5 
anterior tarsi of the latter colour. 
Female duller. Elytra inclining more to dull cupreous. 
In the Cabinet of the British Museum . 
