193 



Elytra rather broader and one-half longer than the head and thorax, widest before 

 the middle, attenuated posteriorly, smooth and shining, apex rather acute 

 and pale. 



Legs moderate, pale ferruginous. 



Under parts piceous, with the venter paler. 



Differs from others in its narrow ovate form, smooth and impunctate surface, and 

 rufo-castaneous colour. 



Habitat, Central America, found near San Geronimo, Vera Paz, by Mr. Champion. 



Orthoperus coriaceus. 



0. coriaceus, Eey, Opusc. Ent. xii. p. 132, 1861. 



L. c. \~£ lin. = •63-"75 mm. — Ovalis, couvexus, alutaceus, castaneus, sat nitidus ; 

 capite raodico, oculisparvis, hand prominentibus ; pronoto parvo, brevi, leviter alutaceo, 

 remote et indistincte puuctato, lateribus rotundatis et marginatis, margine basali 

 scutellum versus valde producta, angulis sat acutis ; ch/tris capite atque pronoto vix 

 latioribus, plus quam sesqui longioribus, prope liumeros latissimis, sat profunde 

 alutaceis, punctis remotis, levibus, ornatis, lateribus rotundatis, leviter marginatis, 

 apicibus obtusis, dilutioribus ; pedibus late flavis, longis, graciUimis, tarsis valde 

 elongatis, tibiis anterioribus modice incurvatis, antennis magnis, robustis, late 

 flavis, clavis obscuris, articulo quinto valde incrassato. 



Head small and narrow; eyes small, not promiirent ; anteunte large and rohust, 



bright j-ellow, with the club dusky, hfth joint very much incrassated. 

 Thorax small and short, finely alutaceous, remotely and very indistinctly punctured, 



sides rounded and margined, basal margin much produced towards the 



scutellum, with the angles rather acute. 

 Scutellum large, triangular. 

 Elytra scarcely broader, but more than one-half longer than the head and thorax, 



widest near the shoulders, rather deeply alutaceous, ornamented with remote 



shallow punctures, sides rounded and slightly margined, apex obtuse, pale. 

 Legs very long and slender, hright yellow, tarsi very long, anterior tibise moderately 



incurved. 

 Under parts black, edges of the ventral segments rufo-piceous, metasternum rather 



deeply punctured. 

 Differs from 0. atomus in its smaller size, narrower and more convex form, small 



and narrow head, robust antenna, and general sculpture. 

 Habitat, Europe, not uncommon. 



Orthoperus glaber. 



0. glaber, Le Conte, Proc. Ac. Nat. Sei. Philad. vol. vi. p. 142, 18.52. 



L. c. j5_ lin. = 063 mm.— Oblongo-ovalis, convexus, uitidissimus, aterrimus, 

 fere glaher ; cajnte magno, lato, oculis modicis, prominentibus ; pronoto maguo, 

 subquadrato, ad basim latissimo, alutaceo, lateribus leviter marginatis, margine 

 basali scutellum versus producta, angulis fere rectis; elytris modicis, pa,\nte atque 

 pronoto aliquantum latioribus, plus quam sesqui longioribus, ante media latissimis, 

 apicem versus parum attenuatis, alutaceis, lateribus leviter niarginatis, apice 

 obtuso, dilutiori ; pedibus magnis, piceis ; antennis sat longis, pallide liavis, clavis 

 obscurioribus. 



Body oblong-oval, convex, very shining, deep black, almost smooth. 

 Head large and broad; eyes moderate, prominent; antenna; rather long, pale 

 yellow, with the club dusky. 



2 c 



