;s 



7' yn^ 



298. 

 HELOPS PALLIDUS. 



Order Coleoptera. Fam. Tenebrionidae. 



Type of the Genus, Helops caraboides Panz. 



Helops Fab., 01., Lat., Leach, Sam., Panz., Sturm. — Tenebrio Linn. 

 — Blaps Marsh. 



AntenncE inserted close to the eyes at the base of the mandibles, 

 as long as the head and thorax, slightly thickened and com- 

 pressed towards the extremity, pubescent; 11 -jointed, basal 

 joint rather robust, 2nd the smallest, 3rd the longest, the re- 

 mainder not longer than the 1st obovate, terminal joint oval (6). 

 Labrum exserted, transverse-oval, ciliated, furnished beneath 

 with a coriaceous membrane projecting beyond the anterior mar- 

 gin (1), 



Mandibles rounded externally, bent acute and slightly bifid, 

 emarginate on the inside and producing a coriaceous lobe (2). 

 Maxillce small, terminated by an articulated lobe, spongy and 

 pubescent at the apex, with a small one on the inside ciliated. 

 Palpi 4-jointed, basal joint small and bent, 2nd long robust and 

 pilose, 3rd short semilunulate, 4th large securiform (3). 

 Mentum small, obtrigonate, truncate. Lip thin horny subcor- 

 date and ciliated. Palpi short attached to indistinct scapes near 

 the centre of the lip, triarticulate, 1st and 2nd joints minute, the 

 former curved, the latter subtrigonate, 3rd joint large, subcornu- 

 form, curved, the apex being whitish globose and spongy (4). 

 Head suborbicular. Eyes small lateral. Thorax convex cordate-trun- 

 cate or subquadr ate. ScuteWum small a7id triangular. Elytra cow- 

 vex oval. Wings shorter and narrower than the elijtra and trun- 

 cated at the apex. Thighs robust. Tibiae dilated towards the apex, 

 spurs very small. Tarsi entire, 5 -jointed, anterior pair dilated in 

 the males, especially the 2nd and 3rd joints (5), posterior pair 4- 

 jointed (5f). Claws simple and hooked. 



Pallid us Nob. 



Pale ochraceous, shining, thickly and minutely punctured. An- 

 tennae darkest at the apex. Eyes black. Thorax transverse 

 rather narrowed behind, the basal margin ferruginous, and the 

 angles rectangular. Suture ferruginous. Elytra with 8 rather 

 irregularly punctured striae on each. Tips of the thighs and 

 claws ferruginous. 



Obs. In some specimens the punctures on the elytra are scarcely 

 visible, and the striae are much fainter. 



In the Cabinets of Mr. Walker and the Author. 



