251 . 
LEIODES CINNAMOMEA. 
The Truffle Beetle. 
ORDERColeoptera. FAM.AnisotomidseiS'fep/z. DiaperidaeZm^. 
Type of the Genus Tetratoma cinnamomea Panz. 
Leiodes Lat., Leach., Sam. — Anisotoma Fab., III., Panz., Sturm., 
Gyll. — Tetratoma Herb., Panz. — Silpha Marsh. 
Antennae inserted before the eyes at the base of the mandibles, 
longer than the head, clavate, pilose, 11 -join ted 5 basal joint 
robust oval, 2nd shorter and slender, 3rd the longest subclavate, 
3 following moniliform, the remainder forming a perfoliate pu- 
bescent club, 7th joint large cup-shaped, 8th small transverse- 
oval, 9 th and 10th larger than the 7th, somewhat boat-shaped, 
1 1th club-shaped (6). 
Labrum exserted, semicircular, deeply notched and producing a 
few strong bristles, the margin membranous and pubescent (1). 
Mandibles acute, one with a strong tooth on the inside, slightly 
membranous and ciliated at the base internally (2). 
Maxilla formed of 2 lobes, the external one horny, pubescent at 
the apex, the internal one large, oval, membranous and very 
pubescent. Palpi short robust and 4-jointed, basal joint small, 
2nd somewhat trigonate, 3rd subglobose, 4th the longest, sub- 
conic, obtuse at the apex (3). 
Mentum transverse, narrowed before. Lip very long and dilated 
anteriorly, slightly pubescent, the margin notched in the middle, 
the centre producing a few bristles. Palpi long, arising from 
very distinct articulated scapes 5 triarticulate, the 1st joint rather 
the shortest, the others of equal length, the terminal one elon- 
gate-ovate (4). 
Head nutant, but not concealed. Eyes small lateral. Thorax very con- 
vex semiorbicular. Scutellum triangular. Wings more than twice 
the length of the Elytra which are convex and oval. Legs, anterior 
short, posterior long. Thighs, posterior sometimes bidentate beneath 
at the apex in the male. Tibiee dilated at the apex and spinose. 
Tarsi, 4 anterior 5 -jointed, basal joint slender, 3 following very pi- 
lose, obcor date, especially the 4th, terminal joint long clavate. Claws 
bent acute (5, afore leg). Tibiae of hinder pair sometimes long and 
bent inward, the Tarsi 4-jointed, basal joint nearly as long as the 
terminal (5f). 
Cinnamomea Panz. Faun. Germ. 12. 15. 
Oval, smooth, shining ferruginous ochre. Club of antennae, tips 
of mandibles and eyes black. Head and thorax faintly and mi- 
nutely punctured, the latter with a transverse impressed line at 
the base. Elytra very obscurely punctured ; 8 punctured striae 
on each, the spaces next the suture, between the 2nd arid 3rd, 
4th and 5th, and 6th and 7th striae with a few stronger and 
scattered punctures : posterior thighs dentated beneath, the 
tibiae long and curved in the male alone. Female smaller. 
In the Author's and other Cabinets . 
