220 SPHEOIDJE. 



412. Pison argentatum. 



Pisoiiitu.s iirgfiitatus, Shuck. Trans. Ent. Soc. ii (1837), p. 79, 5- 



Pison argeiitatus, Smith, Cat. iv, p. 314. 



Pison argentatuni, Kohl, Verh. zoul.-bot. Ges. Wien, 1884, p. 186. 



$ . Densely pruinose ; the clypeus, sides of the face and of the 

 median segment pubescent ; the head, thorax, and median segment 

 very minutely and closely punctured ; scutellum large and prom- 

 inent, a narrow rectangular depressed space at its base deeply and 

 coarsely longitudinally striate ; median segment short, rounded 

 posteriorly, and steep, with a wide medial longitudinal furrow 

 having a fine carina down tlie middle, the sides of the furrow 

 obscurely obliquely striate; abdomen shining, the posterior margins 

 of the basal four segments with broad transverse pilose bands, the 

 basal Mith its apical margin deeply, the 2nd segment with its apical 

 margin slightly depressed and constricted. Jet-black, the pubes- 

 cence on the clypeus, face in front, and sides of the median segment 

 silvery, the rest of the head and thorax covered with a thin silvery 

 pile, the transverse bands on the abdomen very brilliant silvery ; 

 wings hyaline, the apical margins broadly fuscescent. 



Hah. Mauritius; Bombay ; Bangalore; Tenasserim. 2-Leni/th 

 8 ; exj). 15 mm. c? somewhat smaller. 



413. Pison Striolatmn, Cam. Mem. Manch. L. Ph. Soc. xli (1897). 



S . Head closely punctured, a small space beneath the anterior 

 ocellus smooth, the clypeus and sides of the face densely pruinose ; 

 the anterior margin of the clypeus produced in the middle, emar- 

 ginate at the sides ; thorax closely and coarsely punctured ; median 

 segment roundly truncate posteriorly, coarsely obliquely striate 

 and rugose ; abdomen impunctate, shining, slightly pruinose, the 

 base of segments 2-4 constricted. Black, the flagellum of the 

 antennae, the anterior tibiae and tarsi, the intermediate and posterior 

 tarsi, and the apical two or three segments of the abdomen obscurely 

 piceous. 



Hab. Mussooree. d • Length 8 ; e.vp. 14 mm. Type in coll. 

 Eothney. 



414. Pison kohlii, n. sp. 



$ . Head, pro- and mesonotum, scutellum and postscutellum 

 very finely and closely punctured ; the clypeus and front as far as 

 the sinus of the eyes, the cheeks, a line on the pronotum, the sides 

 and apex of the mesonotum, the apex of the median segment, and 

 the posterior margins of the basal four segments of the abdomen 

 densely pilose or pubescent ; the median segment short, roundly 

 concavo-truncate posteriorly, above with coarse longitudinal striae 

 and a medial longitudinal fossulet, continued over the verge of 

 the truncated portion as a narrow impressed line, the face of the 

 truncation transversely striate ; abdomen long, massive, a little 



