320 SPHEGiD.^;. 



574. Oxybelus canescens, Cam. Mem. Manch. L. Ph. Soc. (4) iii, 1890, 

 pp. 276 & 278, pi. X, fig. 22. 



c? . Head, thorax, and abdomen finely and closely but not 

 densely punctured ; elypeus with its anterior margin arched ; 

 scutellum and postscutellum with a medial longitudinal carina ; 

 squama) small, rounded on the outside ; mucro long, concave, the 

 sides recurved, the apex deeply incited ; median segment beneath 

 shining, an inner and outer carina on each side all converging 

 towards the apex of the segment ; the triangular space enclosed by 

 the inner cariuse and the space between the inner and outer carin£e 

 with wide, not conspicuous oblique striie ; the apex of the enclosed 

 triangular space very smooth and shining. Black ; the elypeus, 

 sides of the face, cheeks, and sides of the median segment with a 

 thin silvery pubescence ; the scape of the antennjB, the posterior 

 margin of the pronotum, the tubercles, a large spot on each lateral 

 angle of the scutellum, the postscutellum, squamae, and apex of the 

 mucro, the anterior and intermediate femora at apex, the tibia) and 

 tarsi, a large spot on each side of the basal abdominal segment, 

 a more elongate subtriangular spot nearly meeting in the middle 

 on each side of the 2nd segment, and narrow, anteriorly emarginate, 

 transverse stripes on the 3rd and 4th segments above, ivory-white ; 

 the flagellum of the antennae and a stain beneath on each inter- 

 mediate and posterior tibia ferruginous ; wings hyaline, nervures 

 and tegulfe yellowish white. 



i/rt6. Barrackpore, Bengal. 2 • Length 7 ; exj}.12mm.. c? un- 

 known. Type in coll. Eothney. 



*575. Oxybelus lewisi. Cam. Mem. Manch. L. Ph. Soc. (4) iii, 1890, 

 p. 282. 



" Black ; densely covered with a short silvery pubescence ; the 

 punctuation close, moderately strong; the mandibles, tubercles, 

 tegulae in part, two elongate marks on the scutellum, metanotum, 

 a line running from the scutellum and metanotum to the wiugs, a 

 lateral mark on abdominal segments 1-5, and the knees, tibiae, and 

 tarsi, in front, yellow ; wings clear hyaline, the nervui'es pale 

 fulvous. Ocelli in a curve, the hinder separated by the length of 

 the 3rd antennal joint ; eyes rounded inwardly, converging beneath ; 

 the pubescence on the head in front long and dense ; the punctua- 

 tion finely rugose. Scutellum above flat, laterally obHquely 

 margined ; the apex of the metanotum rounded, without lamina?. 

 Median segment above laterally obliquely, below transversely 

 striolate, the striations wide apart and stout ; shining, impunctate ; 

 metapleurae finely rugose, obliquely striated ; the spine at the base 

 of the median segment stout, acute. Abdomen shining, aciculate, 

 densely pilose ; pygidial area acutely pointed, the pubescence 

 fulvous, at the apex dense ; the base of the petiole depressed, 

 striolated. The recurrent nervure is received somewhere beyond 

 the basal third of the radial cellule. Length 6 mm." 



" Hah. Nugata, Ceylon." 



