199. 

 CLYTUS QUADRIPUNCTATUS. 



Order Coleoptera. Fam. Cerambycidae Lat.^ Leach. 

 Type of the Genus Cerambyx Arietis Linn. 



Clytus Fab., Leach, Gijll. — Callidium Fab., Lat., Oliv., Panz. — 

 Cerambyx Linn., Marsh. — Leptura Linn., Gmel., Rossi, Don. 

 AntenncB inserted in front of the head close to the internal margin 

 of the eyes, not so long as the body, subclavate or filiform, pu- 

 bescent towards the base, 1 1 -jointed, 1st joint long, bent, robust, 

 2nd subglobose, 3rd as long as the 1st but slender, 4th and 5th 

 slender, shorter than the 3rd ; the remainder decreasing in length, 

 apical joint subconic (fig. 6). 



Labrum transverse-oval, the base corneous, surrounded by a di- 

 lated membranous oval margin, the anterior portion clothed and 

 ciliated with hair (1). 



Mandibles trigonate, bent and acute at the apex, producing a few 

 coarse bristles on the external side, the internal edge sinuated (2) . 

 MaxillcE terminated by 2 large lobes, the internal one being the 

 smaller and densely clothed with hair on the inside and at the 

 apex, the external lobe dilated and divided at the apex, which is 

 very pubescent also. Palpi not so long as the maxillae, robust, 

 4-jointed, 3 first joints very short, 4th large subsecuriform and 

 wedge-shaped (3). 



Mentum broad and short, the sides lobed, anterior margin straight, 

 producing a few long hairs in the centre. Lip membranous, bi- 

 lobed, covered and ciliated with hairs. Palpi remote, robust, 

 arising from the base of the lip, 3-jointed, basal joint short, 2nd 

 obconic, 3rd large subsecuriform and wedge-shaped (4). 



Head short, nutant. Eyes reniform. Thorax globose. Elytra elongate, 

 not covering the apex of the abdomen. Wings ample. Scutellum small. 

 Legs; anterior the shortest, posterior very long. Thighs clavate. 

 Tibiae with small spurs. Tarsi with cushions beneath, 4-jointed, 

 anterior dilated, basal joint in the posterior pair long, penultimate 

 joint in all bilobed. Claws strong. Pulvilli none (5, afore leg). 



QuADRiPUNCTATUS Fab. Ent. Syst. 1. par* 2.337. 78. — naevia Gmel. 

 — villosa Rossi. 



Black, slightly covered with somewhat hoary pubescence. An- 

 tennae filiform. Thorax and Elytra densely covered with greenish 

 ochreous pubescence, excepting 3 black spots on each down the 

 back, and one at the shoulder. 



In the Cabinet of Mr. Sparshall. 



Clytus is distinguished from Callidium, which it most resem- 

 bles, by its more cylindric form ; and the globose thorax is a 

 character which at once enables us to separate these from the 

 other insects of the same family. 



