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123 . 
TETRATOMA ANGORA. 
Order Coleoptera. Fam. Diaperi das Leach. Diaperiales Lat. 
Type of the Genus Tetratoma Fungorum Fab. 
Tetratoma Herbs t., Fab., Payk ., Panz. — Boletaria Marsh.- — Ips 
Thunb. 
Antenna inserted on each side the head at the anterior margin 
of the eyes, clavate, 11 -jointed, basal joint globular, 2nd and 
3rd subovate, 3 following subglobose, 7th transverse, cup-shaped, 
the remainder forming an elongated, perfoliated hairy club, the 
3 first joints being nearly quadrate, the terminal one conic (fig. 6). 
Labruni exserted, transverse, slightly emarginate, anterior angles 
rounded, with a few short bristles ( 1 ) . 
Mandibles porrected, small and broad, bifid at the apex, very thin 
at the internal edge (2). 
Maxilla small bilobed, ciliated, the internal one narrow, the ex- 
ternal large. Palpi long, very robust, pubescent, 4-jointed, basal 
joint very minute, 2nd long ciavate, 3rd obovate truncate, 4th 
ovate-conic (3). 
Men turn long, cup-shaped, being dilated at the base, and slightly 
anteriorly. Palpi short, robust, naked, 3 -jointed, arising near 
the centre of the labium, basal joint the smallest, 2nd obovate- 
truncate, 3rd oval. Labium heart-shaped, with two bristles 
near the middle, truncate behind (4). 
Clypeus produced in front. Eyes small , prominent. Thorax transverse , 
convex rounded. Elytra elongate- ovate, convex. Scutellum distinct. 
Wings ample. Body oblong convex, that of the female having a 
retractile tube terminated by 2 styles. Legs, ls£ and 2nd pair with 
the tarsi 5 -jointed (5) ; posterior pair the longest , tarsi 4-jointed, 
the basal joint being as long as the 2 first united, in the others (5 *). 
Tibiae simple, with a pair of small spurs at the apex on the internal 
side. Claws simple. 
Ancora Fab. Ent. Syst. v. 1. pars 2. p. 50 8 . n. 2. — Gyll. Ins. Suec. 
v. 2. p. 555. n. 2. 
Pale ferruginous, with an aureous cast, shining, irregularly punc- 
tured. Head coarsely punctured. Eyes black. Antennae darkest 
at their extremity. Thorax, coarsely punctured with a fovea on 
each side upon the posterior margin, which is slightly sinuated. 
Elytra brassy-yellow coarsely and sparingly punctured, with a 
large obscure brown spot on each side the scutellum, a dark brown 
sinuated fascia across the centre, interrupted next the suture, ob- 
scure towards the apex. Abdomen beneath and pectus reddish 
brown. Tarsi ferruginous. 
In the Cabinets of Mr. Bennett, Mr. Walker, and Mr. Bentley* 
