104 



Body short, very convex and very shining, moderately punctured, black, without 

 thoracic foveas. 



Head large, produced in front and marked with two large punctures; eyes small, 

 prominent ; antennae moderate, dusky yellow. 



Thorax m rather longer and broader than the head, widest before the I 



indistinctly and remotely punctured with the interstices very shining, sides 

 margined, basal margin nearly straight with the angles rounded. 



ScuteUv/m very large, triangular, impunctati and very Bhining. 



Elytra rather small, longer and ratlin- broader than the head and thorax, w 



before the middle, moderately and distinctly punctured, interstices very shining, 

 with a longitudinal impression on each side of the suture, sides margined, 

 apex fuscescent. 



Legs rather short, bright yellow. 



Under parts black, with the mouth and coxa' bright yellow. 



Differs from I'. Africanum in its much larger size, broader form, and smooth, not 

 alutaceous surface ; from /'. evaneseens, of which it may be a local form, in its 

 smaller size, shorter form, and in the sculpture of the elytra. 



Habitat, Asia. Found near Lenkoran by Herr Leder. 



Ptenidium obesum. 



/'. obesum, Matthews, Trans. Am. Ent. Soc. xi. p. 151, 1884; Biol. Cent.-Amer. 



Col. ii. pt. i. p. 150, isss 



L. c. ,v, liu. = 0'87 mm. — Breve, obesum, validissime convexum, glabrum, 

 nitidissimum, nigro-castaneum ; capite sat brevi, latissimo, glabro ; oculis magnis, 

 vix prominentibus ; pronoto modico, transverso, capite parum longiori, et multo 

 latiori, prope medium latissimo, validissime convexo, glaberrimo, nitidissimo, 

 punctis quatuor parvis, equidistantibus, ad basim, atque duobus ad medium mar- 

 ginis anterioris notato, lateribus valde rotundatis et leviter marginatis, margine 

 basali recta, angulis valde obtusis ; elytris brevibus, ovatis, validissime convexis, 

 glaberrimis, nitidissimis, capite atque pronoto parum longioribus, vix latioribus, 

 ante media latissimis, lateribus leviter marginatis, apice valde obtuso ; pedibus 

 atque antennis modicis, flavis, his obscurioribus. 



ll<><hi short and tumid, exceedingly convex, smooth and very shining, dark 

 castaneous. 



Head slant and very broad, smooth and very shining; eyes large, scarcely promi- 

 nent; anteniue moderate, dusky yellow . 



Thorax moderate, transverse, rather longer and much broader than the head, 

 widest near the middle, exceedingly convex, very smooth and shining, with four 

 small equidistant fovea: near the base, and two near the middle of the anterior 

 margin, sides much rounded and slightly margined, basal margin straight 

 with the tingles very obtuse. 



Si utellum short and broad, abruptly acuminated towards the apex. 



Elytra short, ovate, exceedingly convex, very smooth and shining, rather longer, 

 but scarcely broader than the bead and thorax, widest before the middle, sides 

 slightly margined, apex very obtuse. 



Legs moderate, yellow. 



Under parts black, with the mouth and coxre piceous. 



rs from other species in its short and exceedingly convex form, shining and 

 almost impunctate surface, and short antenna'; and from /'. speculifer in its 

 short dusky antenna;, impunctate surface, and especially in the disposition of 

 the thoracic fovea. 



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



