219. 

 MONOCHAMUS SARTOR. 



Order Coleoptera. Fam. Cerambycidae Lat., Leach. 



Type of the Genus Cerambyx sutor Linn. 



MoNOCHAMus Meg., Dej., Lat. — Lamia Fab., Lat., Panz., Gijll. — 

 Cerambyx Linn., Oliv., Marsh. 



AntenncE inserted on each side the crown of the head upon the 

 interior margin of the eyes, as long or much longer than the 

 body, setaceous, slightly pubescent at the base, 1 1 -jointed, basal 

 joint long robust, 2nd very minute, 3rd considerably the longest, 

 the remainder decreasing in length to the end. 

 Labrum exserted, suborbicular, pilose above, slightly emargi- 

 nate (i). 



Mandibles slender, a little bent, broad at the base, acute at the 

 apex (2). 



Maxillce small, bilobed, internal lobe deep, densely ciliated, su- 

 perior long slender and thickly pubescent. Palpi rather long in 

 proportion, 4-jointed, basal joint short slender, 2nd much longer 

 robust, 3rd rather shorter, subclavate, 4th the longest subfusi- 

 form (3). 



Mentum small rhomboidal, pilose across the middle. Labium 



narrow at the base, very much dilated anteriorly, deeply notched 



and pubescent. Palpi arising near the middle of the lip, triarti- 



culate, basal joint short, 2nd much longer, robust clavate, 3rd as 



long subfusiform (4). 



Head short vertical. Eyes lateral, narrow at the top, ovate below, 



emarginate next the antennce (7* the head, and antenna in profile). 



Thorax cylindric, spined on each side, scarcely broader than the head 



(9). Scutellum small. Wings ample. Elytra broader than the 



thorax, convex, elongate- ovate, sometimes n little attenuated. Tibiae 



slightly curved, very pubescent at the apex, which produces 2 small 



spines. Tarsi broad, 4-jointed, cushioned beneath, basal joint longer 



than the 2nd ; 3rd bilobed, 4th the longest, clavate. Claws siynple. 



Pulvilli none (5, afore leg). 



Sartor Fab. Ent. Syst. v. 1 . pars 2. p. 278. n. 42.— Grjll. 4. p. 53. n. 2. 

 Male bronzed black, shining. Antennae twice the length of the 

 body, finely granulated. Head coarsely punctured ; mouth cas- 

 taneous. Thorax coarsely punctured, wrinkled before and be- 

 hind. Scutellum ochraceous, pubescent. Elytra slightly atte- 

 nuated, coarsely punctured, becoming smoother towards the 

 apex, which is clothed with ochreous pubescence : 3 obscure lines 

 on each. Legs slightly scabrous. Tibiae, anterior considerably 

 curved ; intermediate with an obtuse tooth on the outer margin 

 towards the apex. Tarsi, anterior the broadest, pubescent. 



In the Cabinets of the British Museum and Mr. Samouelle. 



