754. 

 BRUCHUS ATER. 



Order Coleoptera. Fam. Briichidae. 



Type of the Genus, Bruchus Pisi Linn. 



Bruchus Linn., DeGeer, Schon., Curt. — Mylabris Geof. 



Antennos inserted before the eyes on each side of the clypeus, 

 longer than the thorax, stoutish, sometimes clavate or serrated, 

 curved, pubescent, not geniculated, 11 -jointed, basal joint 

 stouter than the 2, 3 or 4 following, which are slender and ob- 

 ovate, the remainder large, often compressed, and turbinate or 

 ovate-truncate, the 11th ovate or conical (6). 

 Labrum lunate, the margin convex and ciliated, with a few 

 bristles above (1). 



Mandibles elongate-trigonate, pubescent outside, interior margin 

 sinuated, with a long membranous margin jagged above (2). 

 Maxillce with rather long and slender lobes, the external one 

 linear, the internal much more slender and curved at the apex, 

 both densely hairy on the margins. Palpi much longer, filiform, 

 with a few short bristles, 4 -jointed, basal joint small, 2nd and 

 3rd longer somewhat pyriform-truncate, former the stoutest, 

 4th twice as long, fusiform-truncate, with a vesicle at the apex 



Mentum transverse with a short rounded lobe on each side. Lip 

 oblong a little dilated before, the margin sinuated and pilose. 

 Palpi much shorter than the maxiUary, attached near the middle 

 of the lip, slightly bristly and triarticulate, basal joint small, 

 2nd longer pyriform-truncate, 3rd the largest, longest and fusi- 

 form-truncate (4). 

 Head deflexed, ovate-trigonate, the apex flattened into a thin broad 

 short rostrum : neck narrowed : eyes prominent and lunate. Thorax 

 transverse, narrowed before, the base slightly lobed in the centre : 

 scutel small and quadrate. Elytra ovate, slightly convex, the apex 

 rounded, not covering the Pygidium which is almost vertical and 

 subcordate. Wings ample. Legs, hinder the longest and stoutest 

 (5 1) ; thighs, hinder frequently incrassated and dentate : tibiae 

 simple, hinder dilated towards the apex, which is armed at the inter- 

 nal angle with a strong tooth, with several minute ones : tarsi 4- 

 jointed, basal joint long and curved in the posterior, 2nd short, 3rd 

 bilobed, 4th rather long and clavate : claws short, hooked at the 

 base. 



Ater Marsh. — Curt. Guide, Gen. 390. 



In the Cabinets of Mr. Dale, the Author, 8(C. 



ScHoNHERR has Very naturally placed the Bruchidae at the 

 commencement of /tw family Curculionidae, in which tribe it 

 has been the rule to include them from the days of Linne; he 

 has, however, interposed the Anthribidse between them and 



