IZ2] 
171 - 
STEROPUS CONCINNUS. 
* 2 / 
Order Coleoptera. Fam. Carabidae Lat . 
Type of the Genus Carabus madidus Linn. 
Steropus Meg. — Pterostichus Bon. — Molops Sturm. — Carabus Linn., 
Fab., Oliv., Marsh. 
Antennae inserted near the anterior margin of the eyes, rather 
robust and pubescent excepting the 3 first joints; 11 -jointed, 
basal joint thick obovate, 2nd small, 3rd as long as the 1st, clavate, 
the remainder shorter, compressed and nearly as broad as the 1st, 
being slightly produced on the inside, terminal joint subovate 
(fig. 6). 
Labrum quadrate, slightly rounded and emarginate anteriorly, 
sides ciliated, front producing a few bristles (1). 
Mandibles rather slender, bent, not very acute, slightly dentated 
on the internal side towards the base (2). 
Maxillae rather small, bent, acute, ciliated with rigid hairs inter- 
nally. Palpi 2, internal short, slender, 2-jointed, basal joint 
clavate, '2nd bent ovate at the apex ; external 4-jointed, basal 
joint small, 2nd robust, 3rd a little longer than the 2nd clavate, 
4th shorter, ovate truncate (3). 
Mentum transverse, bilobed, producing in the centre a notched 
process. Lip elongated, quadrate. Palpi long, arising from 
scapes on each side the lip, long 3 -jointed, basal joint minute, 
2nd and 3rd long of equal length, clavate truncate (4). 
Eyes small, globose. Head rather elongated, much narrower than the 
Thorax which is suborbicular concave before, truncated behind, sides 
margined (9). Elytra connate. Wings none in either sex. Legs 
strong. Thighs robust , posterior remote at their attachment, tro- 
chanters very long. Tibiae spurred, anterior notched on the internal 
side, middle and posterior furnished with series of rigid bristles . Tarsi 
5 -jointed, 3 basal joints dilated in the males, terminal joint long. 
Claws bent strong (5, afore leg). 
Concinnus Sturm's Deut. Faun. V, 175. 7. tab. 104./. c. 
Black smooth shining : apex of mandibles castaneous, tips of 
. palpi ochraceous : antennae excepting the 3 first joints covered 
with piceous pubescence : 2 impressions upon the nasus : thorax 
with a channel down the centre furcate at the base, a curved, 
impressed line across the anterior portion and a fovea at each 
posterior angle. Coleoptra ovate. Elytra with 8 deep striae on 
each, the 1st being furcate at the base, the 8th strongly punc- 
tured, a puncture next the 2nd stria near the middle and another 
upon the 3rd towards the base : bristles upon legs ferruginous. 
In the Author's Cabinet. 
The differences in the trophi, antennae and legs of Steropus 
and Omaseus (pi. 15.) are so trifling, that the former can only 
