98 



Head moderate, rather long, remotely marked with deep punctures, interstices 



shining; eyes large, rather prominent ; antennas moderate, bright yellow. 

 Thorax moderate, rather broader hut not longer than the bead, widesi beyond the 



middle, remotely marked throughout with deep punctures, interstices shining, 



Bides contracted towards the base, slightly margined, basal margin nearly 



straight with the angles rather obtuse. 

 Scutellum very lar>;e, triangular, remotely marked with deep punctures. 

 Elytra oval, convex, rather longer and broader than the head and thorax, widest 



before the middle, remotely marked with deep foveolate punctures, interstices 



shining, sides slightly margined, apex obtuse and paler. 

 Leys moderate, bright yellow with the femora dusky. 

 l r mler parts entirely castaneous. 

 Differs from P. Lawsoni in its smaller size, less convex form, and deeper and more 



remote sculpture. 



Habitat, North America. Found in British Columbia by Mr. H. Ulke. 



Ptenidium Reitteri. 



P. Reitteri, Flach, Wien. Ent. Zeit. vi. 1887, p. 180; Verh. Zool.-Bot. Ges. 



Wien, xxxix. 1889, p. 498. 



L. c. f; ; lin. = 0"75 mm. — Elongato-ovatum, nigrum, nitidum, convexum, 

 I' \ iter alutaceum, pronoti fovcis basalibus quatuor ; capite modico, antice producto, 

 alutaceo, punctis foveolatis tribus, prope oculum, utrumque impresso; oculis modicis; 

 pronoto modico, capite sat longiori et latiori, prope basim latissimo, alutaceo, 

 punctis remotis in disco atque foveis quatuor profundis, mediis approximatis, ad 

 basim impresso, lateribus marginatis, margine basali recta, angulis obtusis ; elytris 

 capite atque pronoto longiorilms, baud latioribus, prope humeros latissimis, 

 alutaceis, leviter et remote striatim punctatis, lateribus marginatis, apice obtuso, 

 dilution ; pedibus longis, bete liavis ; antennis longis et gracilibus, obscure flavis. 



Body ovate-elongate, black, convex, very shining, faintly alutaceous, with four 



thoracic foveas. 

 Head moderate, produced in front, alutaceous, with three foveolate punctures on 



each side near the eye ; eyes moderate, rather prominent ; antennas long and 



slender, dusky yellow. 

 Thorax moderate, rather longer and broader than the head, widest near the base, 



alutaceous, marked with a few remote puuctures on the disc, and four deep 



foveas, of which the interior are near together, at the base, sides margined, 



basal margin straight with the angles obtuse. 

 Scutellum large, triangular, with four large punctures at the base. 

 Elytra longer but not broader than the head and thorax, widest near the shoulders, 



alutaceous, faintly and remotely punctured in strias, sides margined, apex 



obtuse, paler. 

 Leys long, bright yellow. 



I 'ml, r parts black, with the coxas bright yellow. 

 Differs from P. lavigatum in its smaller size, much narrower shape, alutaceous 



surface, smaller thoracic foveas, and long slender antennae. 



Habitat, Europe. Found in Dalmatia. 



Ptenidium foveatum. 



/'. foveatum, Matthews, Trans. Am. Ent. Soc. xi. p. 149, 1884 ; Biol. Cent.-Amer. 



Col. ii. pt. i. p. 150, 1888. 



L. c. /g-v c lin. = , 63-0 - 75 mm. — Obtuse ovatum, piceo-nigrum, nitidissimum, 

 valde convexum, foveis basalibus pronoti profundis ; capite magno, lato, punctis 



