3 
/d'.-Jt 3J 
44 6 . 
CARABUS EXASPERATES. 
Order Coleoptera. Fam. Carabidse. 
Type of the Genus, Carabus violaceus Linn. 
Carabus Linn., fyc. — Tachypus Weber. 
Antennae inserted before the eyes close to the base of the man- 
dibles, as long as the head and thorax, 11 -jointed, slightly 
tapering, and pubescent, 3 basal joints naked, the 1st long robust 
and elliptical, 2nd and 4th the shortest, 3rd a little longer than 
the basal joint, -5th and remainder shorter than the 3rd, slightly 
decreasing in length and stoutness to the apex (6). 
Labrum short transverse, the ends rounded and ciliated, slightly 
concave at the centre and producing a few bristles (1). 
Mandibles porrected, rather long curved and attenuated to the 
apex, which is obtuse and slightly bent ; a broad notched tooth 
on the inside with a membranous margin below densely ciliated 
( 2 ). 
Maxillae narrow, terminated by an acute claw, pubescent above, 
ciliated with spiny bristles inside, external lobe palpiform, ex- 
tending to the tip of the maxillae, biarticulate, basal joint clavate, 
2nd stout ovate. Palpi long naked and 4-jointed, basal joint 
short, 2nd long clavate, 3rd and 4th of equal length, the former 
clavate the latter large and hatchet-shaped (3). 
Mentum transverse, sides rounded, anterior margin but slightly 
concave, the centre produced forming a trigonate lobe. Lip 
small, subquadrate, the centre slightly produced, rounded and 
ciliated with bristles. Palpi as large as the maxillary but shorter, 
attached to the disc of the lip, triarticulate, basal joint rather 
short, 2nd long linear and furnished with 5 spiny bristles on the 
inside, 3rd joint large and hatchet-shaped (4). 
Head narrow and ovate. Eyes prominent and globose. Thorax sub- 
quadrate, sides a little convex and margined, posterior angles lobed : 
scutellum minute trigonate. Elytra elliptical ovate. Wings minute 
leathery appendages (12 ; a, the base). Legs strong : thighs stout : 
tibiae spurred, anterior the shortest and stoutest, with a short notch 
at the apex and 2 spines, hinder pair the longest : tarsi 5 -jointed, 
anterior dilated in the males, the 3 basal joints cushioned beneath : 
claws bent, acute (5). 
Exasperatus Duft.,Meg.,Dej. — Curt. Guide, Gen. 12. 9 a . 
Black, shining, head and thorax finely wrinkled, the latter broad 
and subquadrate reticulated, distinctly and thickly punctured on 
the sides which are blue and violaceous with a channel down the 
centre : elytra with numerous fine longitudinal elevated lines with 
punctures between them, scabrous towards the apex {fig. 11); 
the margin reflexed and violet colour : pubescence of antennae 
ferruginous : claws, spurs and mandibles partially castaneous. 
In the Author's Cabinet. 
