72 



ratis, lateribue rectis, apicibus latis, valde rotundatis, dilutioribus ; abdomine longius 

 exserto, piceo, apice obtuse bidentato ; pi <lilm- at-nn- anteiinis sat gracilibus, flavis, 

 liis obscurioribus. 



Body oblong, moderately depressed, not shining, fuscous-black, clothed with fulvous 



hair. 

 Head moderate, rather produced in front, ornamented with small remote tubercles, 



with the interstices reticulated; eyes rather prominent; antenna- slender, 



dusky yellow. 

 Thorax moderate, slightly dilated posteriorly, broader but scarcely longer than the 



head, widest at the base, ornamented with small tubercles in remote wavy 



rows, with the interstices rather de< ply reticulated, Bides rather broadly 



margined and moderately rounded, basal margin faintly Binuated, with the 



angles broad and slightly produced. 

 Scutellnm large, triangular, deeply and closely asperahd. 

 Elytra oblong, brown, rather longer but not broader than the head and thorax, 



deeply and closely asperated in transverse rows, -ides atrai tremitiea 



broad and much rounded, pale. 

 Abdomen considerably exposed, piceous, obtusely bidentate at the apex. 

 Legs rather slender, yellow. 



Under parts black, with the coxa' and apex of the venter piceous. 

 Differs from '/'. obsc<ena in its smaller size, more depressed form, and much deeper 



sculpture; and from '/'. qlevata in its larger size, depressed form, and black 



colour. 



Habitat, Central America. Found in Guatemala by Mr. Champion. 



Trichopteryx mserens. 



T. nuerens, Matthews, Cist. Ent. i. p. 298, 1874. 



L. c. ,';, lin. = 0"63 mm. — Brevis, lata, valde convexa, nitidissima, aterrima, 

 pilis bri vibus, pallidis, parce vestita ; capite brevi, lato, fere glabro, punctis 

 minutis, remotis, impresso; oculis parvis, hand prominentibus ; pronoto brevi, 

 transverso, \alde convexo, capite paullo longiori, vix latiori, prope medium latis- 

 sinio, glabro, aitidissimo, ad basim depresso, miuutissime et remote punctato, 

 lateribus modice rotundatis, late marginatis, margine translucida, margine b 

 recta, angulis rectis; elytris perbrevi bus, con vexissimis, capite atque pronoto nee 

 longioribus, nee latioribus, ad media latissimis, ad humeros pronoto angustioribus, 

 ordinibus transversis levissime asperatis, interstitiis glabris, nitidissimis, apicibus 

 latissimis, six rotundatis, extremis flavis; abdomine minime exserto ; pedibus 

 atque antennis longis, gracilibus, hete llavis, his sat obscurioribus. 



Body short and broad, very convex and very shining, deep black, sparingly clothed 

 with short pale hair. 



Head short, verj broad, nearly smooth, minutely and remotely punctured ; eyes 

 small, not prominent ; antennae very long, dusky yellow. 



Thorax short, transverse, very chum x, rather longer but scarcely broader than the 

 head, widest near the middle, depressed at the bast . smooth and very shining, 

 .> ry minutely and remotely punctured, -ides moderately rounded and broadly 

 margined, with the margin translucid, basal margin straight, with the angles 

 right an 

 itellum large, very broad, triangular, indistinctly asperated. 



Elytra very short and very convex, not longer or broader than the head and thorax, 

 widest at the middle, narrower than the thorax at the shoulders, faintly aspe- 

 rated in transvel e rows, interstices smooth and very shining, sides rounded 

 and margined, extremities very broad and scarcely rounded, with the edge 

 yellow. 



