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627. 

 GYMNtETRON GRAMINIS. 



Order Coleoptera. Fam. Curculionidae. Cionides 5t7/c;. 



Type of the Genus, Curculio Beccabungae Linn. 



Gymn^tron Scho. — Miarus Schi). — Cionus Germ. — Cleopus Meg., 

 Curt. — Rhynchsenus Fab., Gyll. — Curculio Linn., Mars. 

 Antenna inserted in lateral grooves at the middle of the rostrum, 

 as long as the head, geniculated, 10-jointed, basal joint long 

 and clavate, 2nd and 3rd elongated pear-shaped, of equal length, 

 the former the stoutest, 3 following short, more or less oblong, 

 the 6th being stoutest and cup-shaped, the remainder forming 

 an oval conical club, 7th joint long ovate-truncate, 8th trans- 

 verse, 9th semiconic, 10th undiscovered (6). 

 Mandibles bidentate at the apex, w^ith a protuberance below on 

 the inner margin (*2). 



Maxill<E rounded and cihated inside. Palpi very short and tri- 

 articulate ? basal joint transverse, 2nd cup-shaped, 3rd ovate (3). 

 Mentum elongated, nearly linear, concave before. Palpi very 

 minute, composed of 2 oblong joints, 2nd the slenderest and 

 ovate (4). 

 Rostrum inflected, nearly as long as the thorax, slender and but slightly 

 curved, the sides grooved at the base : head globose, inserted up to 

 the eyes which are lateral (7). Thorax short, broad and hemisphe- 

 rical : pectus grooved: scutel minute, subovate. Elytra ovate, 

 slightly depressed, the apex truncated but rounded and not covering 

 the pygidium. Wings ample. Legs short : thighs clavate, notched 

 towards the apex, forming in the hinder pair a short tooth (5 f) .• 

 tibiae slightly bent, with an internal hook at the apex, largest in the 

 anterior pair : tarsi 4-jointed, spongy beneath, 2 basal joints obtri- 

 gonate, 3rd bilobed, 4th clavate: claws small (5). Obs. the dis- 

 sections and description are from G. graminis. 



Graminis Gyll. 3. 210. 120.— Cwr^. Guide, Gen. 340. 6. 



Black, very thickly punctured and clothed with fine short pu- 

 bescence, giving an ochreous tinge : thorax suborbicular, trun- 

 cated before and behind, broadest at the base, the hairs by 

 meeting forming a ridge down the middle : scutel white : elytra 

 convex, a little depressed before, with ten strong black shining 

 channels on each : hinder thighs with a tooth beneath ; all the 

 tibiae with a claw at the apex, largest in the anterior pair. 

 In the Author's and other Cabinets. 



The genus Cleopus, which was adopted in the Guide, has been 

 superseded by Schoenherr, and formed into tlie following sec- 

 tions. 



* Rostrum filiform : elytra subovate, convex : pygidium 

 scarcely hidden by the elytra. 



1. Beccabungae Linn. F. S. 607. — VeronicEe Ger?n. var. Dull 

 feiTuginous ; head, rostrum and thorax blackish, sides of the latter grey 

 with pubescence ; scutel white, suture dark : 1^ line long. 



