103 



Scutellum very large, triangular, acuminate at the apex. 



Elytra much aarrowed, more than one balf longer but not broader than the head 



and thorax, widest mar th< shoulders, minutely punctured in very rem 

 ise with the interstices alutaceous, castaneous with nearly the apical half 



flavescent, sides slightly margined, atti nuated towards the apex. 

 Legs long, yellow. 



/ ' n<b r parts castaneous, coxa' and apex of the venter yellow. 

 Differs from other species in its intermediate size, long, narrow form, very large 



thoracic fovea.', and peculiar sculpture. 



Habitat, Europe. Found in Italy. 



Ptenidium Africanum. 



P. Africanum, Matthews, Ann. Mag. Nat. Hist. 6, iii. 1889, p. 194. 



L. c. A lin. = - 75 mm. — Ovatum, convexum, nitidum, pilis brevibus flavis 

 sparse vestitum, alutaceum, modice punctatum, nigrum; capite magno, alutaceo, fere 

 impunctato; oculis modicis, hand prominentibus; pronoto magno, fere ad basim 

 latissimo, alutaceo, fere impunctato, lateribus marginatis, minime rotundatis, mar- 

 gine baBali fere recta, angulis obtusis; elytrix capite atque prouoto sesqui longi- 

 oribus, hand latioribus, ante media latissimis, alutaceis, modice striatim punctatis, 

 depressione levi ad mediam suturam utrinque impressis, lateribus marginatis, 

 modice rotundatis, apice obtuso, parum dilution ; pedibus atque antennis late fiavis. 



ovate, convex, shining, sparingly clothed with yellow hairs, alutaceous, 

 derately punctured, black. 



Head large, alutaceous, almost impunctate; eyes moderate, not prominent ; antenna; 

 moderate, bright yellow. 



Thorax large, widest almost at the base, alutaceous, almost impunctate, sides mar- 

 gined, very little rounded, basal margin nearly straight with the angles obtusi . 



Scutellum large, triangular, acuminate at the apex, alutaceous, with a single small 

 fovea near the middle of the base. 



Elytra one half longer, but not broader than the head and thorax, widi -t before the 

 middle, alutaceous, with moderate punctures disposed in stria , and a longi- 

 tudinal depression on each side of the suture near the middle, sides margined. 

 and moderately rounded, apex obtuse, rather paler. 



Legs moderate', bright yellow. 



Under parts black. 



Differs from /'. evanescent in its much smaller size, narrower form, thorax not con- 

 tracted at the base, alutaceous surface and faint sculpture. 



Habitat, Africa. Found on Mount Carree, Algeria, by Mr. Lewis. 



Ptenidium orientale. 



/'. orientale, Flach, Verb. Zool.-Bot. Ges. Wien, xxxix. p. 525, 1889. 



L. c. , 7 ,, lin. = - 87 mm. — Breve, valde convexum, uitidissimum, modice punc- 

 tatum, nigrum, pronoti foveis basalibus nullis; capib magno, antice producto, 

 punctis duobus magnis in fronte impresso, oculis parvis, hand prominentibus : 

 pronoto modico, capite sat longiori et latiori, ante basim latissimo, indistim 

 remote punctato, interstitiis nitidissimis, lateribus marginatis, margins basali fere 

 recta, angulis rotundatis ; elytris sal parvis, capite atqui pronoto longioribus 

 latioribus, ante media latissimis. modice el distincte punctatis, interstitiis niti- 

 dissimis, ad suturam utrinque longitudinaliter impressis, lateribus marginatis, 

 apice sat fuscescenti; pedibus sat brevibus, late fiavis ; antennis modicis, obscure 

 Mavis. 



