PHILANTHUS. CERCERIS. 299 



line, broadly interrupted in the middle, on the pronotuin, a spot 

 on the tegulae in front, two minute obli(]uely placed spots in the 

 middle of the postscutellum, an irregularly waved subapical line 

 on the dorjial and ventral sides of abdominal segments 2-4, and 

 a transverse spot at the apex of the 5th segment yellow ; the line 

 on the 2nd segment is narrowly interrupted in the middle, and 

 the base of the same segment is red ; legs variegated with yellow ; 

 wings light fusco-hyaline and iridescent, nervures and tegulse 

 testaceous. The fine rather thin pubescence on the head and on 

 the sides of the median segment white. 



Var. The yellow^ markings on the postscutellum and on the 

 abdomen entirely or nearly obsolete. 



Bab. Tenasserim. $ . Length 11-12 ; exp. 22-24 mm. (S un- 

 known. Type in coll. British Museum. 



538. Philanthus pulcherrimus, Smith, Cat. iv, p. 469, 2 d ; Cam. 

 Mem. Manch. L. Ph. Soc. (4) ill, 1890, p. 248. 



5 . Head above the base of the antennae, the mesonotum, meso- 

 pleurse, and abdomen rather coarsely punctured, the punctures 

 dense on the head, more distantly placed on the mesonotum, the 

 pleurae, and abdomen, becoming very sparse on the apical segments 

 of the last ; clypeus, the sides of the face as high as the base of 

 the antennae, the prothorax, the scutellum, postscutellum, and 

 median segment smooth and shining ; anterior margin of the 

 clypeus widely triangular ; median segment rounded posteriorly, 

 with a deep broad fovea at apex above. Black; the face below the 

 antennae, the clypeus, base of the mandibles, scape and basal three 

 joints of the flagellum of the antennae, a coronet-shaped spot on 

 the front, a line on the cheeks, a line on the pronotum, the 

 tubercles, a spot at the base of the mesopleurae, the scutellum, 

 postscutellum, two large, oval, lateral spots on the 2nd abdominal 

 segment, and a broad transverse band on the apical margin of the 

 4th segment yellowish white, a narrow line on the apical margin of 

 the 5th and the 6th segments testaceous, the basal segment bright 

 ferruginous ; legs yellowish white, the coxae, trochanters, and 

 femora stained with dusky red ; wings hyaline and iridescent, 

 nervures and tegular yellow. 



J similar, but the 5th and following abdominal segments black. 



Hah. India (Smith). 5 • Length 8; e.rji. 14 mm. J. Length G, 

 eap. 11 mm. Type in coll. British Museum. 



Genus CERCERIS. 



Crabro, pt., Oliv. Enajcl. Method, vi, p. rm (1791). 

 Philantlms, pt., Fabr. Etit. Si/st. ii, p. 283 (1793). 

 Cerceris, Latr. Hist. Nat. Ins. xiii, p. 315 (1805). 



Type, C. arenaria, Linn. 

 Range. Both hemispheres. 



