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586. 

 BOLITOPHAGUS AGRICOLA. 



Order Coleoptera. Fam. Diaperidae. 



Type of the Genus, Bolitopliagus Agricola Fab. 

 BoLiTOFHAGus ///., Fab., Gyll., Curt. — Eledonaia^. — Opatrum Oliv.y 

 Fab., Mars. — Diaperis OUv. 



AntenncE inserted before the eyes, under the margin of the cly- 

 peus, curved, clavate, pubescent, and 11 -jointed, basal joint 

 stout, curved, and semilunate, 2nd ovate-truncate, 3rd pear- 

 shaped, 4th the smallest, the remainder remotely articulated, 

 produced a little on the inside appearing slightly serrated, and 

 gradually increasing in size, 5th and 6th broadest at the base, 

 4 following cup-shaped, 10th considerably the largest, 11th 

 suborbicular (6). 



Labrum not symmetrical, transverse, semiovate and hairy (1). 

 Mandibles strong and trigonate, curved and bifid at the apex, 

 the internal margin notched and covered by a large transparent 

 lobe (2). 



MaxillcB terminating in a large suborbicular lobe, very hairy at 

 the apex, with a small one on the inside. Palpi rather short, 

 slightly pubescent and 4-jointed, basal joint minute, 2nd elon- 

 gate obtrigonate, 3rd shorter, slightly chalice-shaped, 4th the 

 longest, elliptical, ovate at the apex (3). 



Mentum oblong, truncated at the base, dilated, ovate and a little 

 concave before. Labium rather broad, horny in the middle, 

 with a transparent lobe on each side, ciliated in the middle. 

 Palpi short, remote, attached to the sides of the horny centre ; 

 triarticulate, basal joint minute, 2nd subglobose, 3rd the longest 

 subovate, elongated and glandular at the apex (4). 

 Head exserted, transverse, anterior margin forming a sharp ledge and 

 projecting in a lobe over the Eyes lohich are small lateral and glo- 

 bose. Thorax twice as broad as the head, transverse-ovate, the sides 

 margined and slightly denticulated, anterior angles produced : scu- 

 tellum small and trigonate. Elytra broader than the thorax, cylin- 

 dric and rounded at the apex. Wings very ample. Legs moderate : 

 tibiae broad, short and comjiressed : tarsi inserted in a groove near 

 the inner angle, short, 5-jointed, (5, afore leg) ; posterior 4-jointed 

 (t), with the basal joint nodose at its insertion and resembling a joint, 

 1 following cup-shaped, terminal joint elongated, stout and subclavate :. 

 claws strong and curved. 



Agkicola Fab. — Curt. Guide, Gen. 258. 1. — sulcatus Thunb. — 

 agaricicola Lat. 



Dark chocolate colour ; head variolated, thorax rugose with 

 large punctures and minute tubercles, lateral margins narrow, 

 ferruginous and denticulated ; elytra with 9 sharp elevated striae 

 on each, with lines of large deep punctures between them ; 

 mouth antennae and legs ferruginous. 



In the Author s and other Cabinets, 



