180 . 
CALLISTUS LUNATUS. 
Order Coleoptera. Fam. Carabidse Lat . 9 Leach 
Type of the Genus Carabus lunatus Fab. 
Callistus Bonelli , Panz., Leach, Dej. — Carabus Fab., Oliv Marsh. 
Antennae inserted before the eyes, at the base of the mandibles, 
compressed, subclavate, pubescent, 11 -jointed, basal joint sub- 
ovate, 2nd minute, 3rd and 4th of equal length, the former be- 
ing more slender, the remainder decreasing in length to the ter- 
minal joint which is ovate (fig. 6). 
Labrum transverse quadrate, slightly emarginate and producing 
a few bristles on the anterior margin (1). 
Mandibles alike, rather small and slender, bent, very acute, 
armed with 4 small teeth near the base on the internal side (2). 
Maxillce very slender, slightly bent, acute, ciliated on the inter- 
nal margin. Palpi; internal forming one long compressed lobe; 
external 4-jointed, basal joint minute, 2nd robust, 3rd clavate, 
4th elongate-ovate, truncated (3). 
Mentum broad transverse, trilobed, the centre one trigonate, not 
emarginate. Lip membranous quadrate, each side produced into 
a spine. Palpi attached to 2 scapes, 3-jointed, basal joint mi- 
nute, 2nd and 3rd of equal length, the former clavate pilose, the 
latter fusiform terminated by a vesicle (4). 
Head subtrigonate. Eyes small. Thorax broader than the head cordate 
truncate. Seutellum very minute. Coleoptra slightly convex, oval, 
broader than the thorax. Wings as long as the body. Legs formed 
for running, posterior pair the longest. Tibiae, anterior emarginate. 
Tarsi 5- jointed , 3 basal joints dilated in the males (5, afore leg). 
Lunatus Fab. Ent. Syst. v. 1. pars 1. p. 163. n. 172.' — Marsh. Ent. 
Brit. 466. 91. 
Pubescent. Head violaceous tinged with green, strongly and 
thickly punctured ; mouth ferruginous, palpi inclining to brown. 
Eyes and antennae black, the 1st and 2nd joints of the latter ochra- 
ceous. Thorax dull rufous, coarsely punctured, with an obscure 
channel down the middle. Elytra ochraceous, becoming straw- 
coloured towards the extremity ; a black spot on each shoulder, 
a large black spot on each side near the middle united on the 
margin to a waved fascia nearer the apex of the same colour ; 9 
faintly punctured striae on each elytron, that next the seutellum 
very short. Legs black j base of the thighs, middle of the tibiae 
and claws ochraceous : the tarsi are brown. 
In the Author's and other Cabinets. 
