246 SPHEGID^. 



of the legs black ; the femora, tibiae, base of the tarsi of the legs, 

 and the abdomen red ; the clypeus, the face in front, and the 

 sides of the mesonotum covered with a dejise silvery pile ; the 

 median segment at apex and on the sides with longish, soft, white 

 pubescence : wings hyaline, slightly iridescent, their apex lightly 

 fuscescent ; nervures and tegulje testaceous red. Varieties have 

 the abdomen above and below variegated with black. 

 Hah. Mussooree. $ . Lemjth lS-22 ; exp. 35-40 mm. 



461. Sphex xanthopterus, Cam. Mem. Manch. L. Ph. Soe. (4) ii, 1889, 

 pp. 109 & 113; Kohl, Ann. JS'aturhist. Hofmus. Wien, \, 1890, 

 p.389, $c?. 

 2 . Head, thorax, and abdomen densely pruinose ; clypeus 

 convex, higher than broad, its anterior margin rounded ; the front 

 snlcate above the antennas ; eyes divergent above ; pronotum, 

 scutellum, and postscutellum entire, without any longitudinal 

 sulca ; median segment longish, opaque, with a gentle slope 

 posteriorly to the apex, which is rounded ; legs long, smooth, the 

 tibiae and tarsi with fine spines ; petiole short ; abdomen fusiform 

 above, finely aciculate. Black, with a dense but short silky 

 silvery pile ; the clypeus, the front, and the sides and apex of the 

 median segment with a rather sparse long silvery pubescence ; the 

 pile in certain lights has a golden yellow lustre ; wings light 

 flavo-hyaline, apex broadly fuscescent ; nervures yellow, tegulae 

 black. 



Hah. Northern India, Barrackpore, Bengal ; Tranquebar; Africa ; 

 Zanzibar. $ d . Length 15-18 ; exp. 32-30 mm. 



462. Sphex morosus, S7mth, Jour. Linn. Soe. 1861, p. 122, c?; ^okl, 

 Ann. Naturhist. Hofmus. Wien, v, 1890, p. 448. 



(S . Head and thorax in front finely and closely punctured and 

 pubescent ; the clypeus and front of the face pilose ; the median 

 segment finely rugulose ; petiole of abdomen long, slightly curved 

 upwards ; abdomen short, broad, subfusiform ; clypeus convex, its 

 anterior margin very slightly arched, nearly transverse ; pronotum 

 entire, not indented; mesonotum with a central longitudinally 

 impressed line anteriorly ; median segment with a gentle rounded 

 slope posteriorly, except at the apex, where it is suddenly steep ; 

 legs long, tibiae and tarsi feebly spinose ; abdomen very indis- 

 tinctly aciculate above. Black, with black pubescence, the clypeus 

 and the face in front with dense silvery pile; wings fuscous 

 brown with a coppery effulgence, the hind wing much lighter and 

 paler. A variety has the posterior femora below and the inside of 

 the posterior tibiae red. 



Hah. Sikhim ; Burma ; Teuasserim ; and the Malay region to 

 Celebes. d . Length 21-23 ; exjj. 34-37 mm. Female un- 

 known. 



