PHIIiANXHUS. 297 



of the femora, the tibiae and tarsi of the intermediate and posterior 

 legs above, and an irregularly waved subapical line dorsally 

 and ventrally on segments 2-4 of the abdomen pale yellowish 

 white ; the base of the ]st segment broadly, and of the 2ud 

 narrowly red ; wings hyaline, nervures sordid yellow. 



Hab. Tenasserim. $ . Length 12 ; exj_). 22 mm. Type in coll. 

 British Museum. 



534. Philanthus avidus, Bim/h. Jour. Linn. Soc. 189G, p. 440. 



2 . Head very closely and finely, thorax and the posterior 

 margin of the basal abdominal segment more sparsely and coarsely 

 punctured, the base of the 1st, the whole of the 2nd and following 

 segments smooth, head about the width of the thorax; mesonotum 

 strongly convex ; median segment short, apex with a steep slope 

 nearly truncate, a medial longitudinal broad but shallow furrow 

 from base to apex of the segment, sides and apex with a thin 

 soft pubescence ; the tibiae and tarsi spinose ; posterior margin of 

 the basal abdominal segment constricted, apical segment slightly 

 pubescent. Black, the mandibles, except at apex, the clypeus, a 

 moon-shaped spot above it, a spot on each side of the face above 

 the base of the antennae, the scape in front, the inner margin of 

 the eyes, a line behind them, a line on the front of the pronotum, 

 the tegulae, the postscutellum, the tibiae and tarsi of the legs above, 

 a subapical spot on each side of the basal abdominal segment, and 

 narrow subapical bands on the dorsal and ventral sides of segments 

 2-5 yellowish white ; basal segment, except for a narrow black 

 subapical border above, deep red ; wings hyaline, faintly fuscous, 

 and in certain lights iridescent. 



Bab. Tenasserim. 2 • Length 10 ; exj). IB mm. 



535. PMlanthus elegans, Smith, A. M. N. H. (4) xii, 1873, p. 415 ; 



Cam. Me7n. Manch. L. Ph. Sue. (4) iii, 1890, p. 248. 



$ . Vertex of the head, mesonotum, scutellum, postscutellum, 

 and abdomen coarsely and somewhat sparingly punctured, the 

 abdomen more closely than the other parts; clypeus, front to a 

 little above the base of the antennae, pronotum, and median 

 segment smooth, the punctures below the ocelli much finer and 

 closer ; clypeus strongly arched anteriorly, slightly convex ; median 

 segment short, shining, slightly compressed laterally, with a broad 

 oval fovea at the apex above, the apex steep, almost trunt-ate, 

 variegated with white, black, and ferruginous ; the base of the 

 mandibles, the clypeus, the sides of the face to the emargination 

 of the eyes, the scape, and the basal two joints of the flagellum of 

 the antennae in front, a kite-shaped mark beneath the anterior 

 ocellus, a curved line on the occiput, the cheeks and back of the 

 head, the pronotum, two medial longitudinal lines on the disc of 

 the mesonotum, two broader stripes in front of the tegulae, the 

 tcgulaj, a spot behind them, the scutellum, postscutellum, sides of the 

 median segment broadly, pro- and mesopleura?, legs, and large lateral 

 Bpots on the basal four segments, with the whole of the 6th segment 



