P0MPILU8. 171 



339. Pompilus ilus, Bimjh. Jour. Bomb. N. H. Soc. viii, 1803, p. 378, 



pi. i, tig. 7. 

 Ferreola fasciata, Bmqh. (nee Smith) Jour. Bomb. N. H. Soc. v, 



1890, p. 241. 



Pompilus fasciatus. Cam. Mem. Manch. L. Ph. Soc. (4) iv, 1891, 

 p. 458. 



5 . Head, thorax, and. abdomen smootb, but very sparsely- 

 punctured and slightly pruinose ; clypeus subtriangular, widely 

 emarginate anteriorly, the sides rounded ; the median segment 

 compressed at the sides, subconvex, almost level above, its posterior 

 face deeply concave, with the sides produced into sharp tubercles; 

 legs with the tibiae and tarsi having only a very few minute 

 spines ; abdomen pseudosessile. Black, the abdomen with a purple 

 bloom and bands of silvery pile on the posterior margins of the 

 lst-4th segments: wings hyaline for half their length, the apical 

 half fuscous ; nervures and tegulae black. 



Hab. Burma ; Tenasserim. $ . Length 27 ; exj-). 38 mm. 

 (S much smaller and slighter. Length 15 ; exp. 27 mm. 



340. Pompilus dimidiatipennis. 



Ferreola dimidiatipennis, Sanss. Hym. d. Nov. Reise, p. 46, J . 

 Ferreola greenii, Biiu/h. Jour. Bom. N. H. Son. 1890, p. 240, 2 • 

 Pompilus dimidiatipennis, Ca?7i. Mem, Manch. L. Ph. Soc. (4) iv, 



1891, p. 458. 



5 . Pruinose ; the head small, sessile with the thorax ; clypeus 

 vertical, nearly flat anteriorly, semicircular ; pronotum short, its 

 anterior and posterior margins both nearly transverse ; scutellum 

 large, prominent, laterally compressed ; median segment flattish 

 above, concave posteriorly, the sides produced backwards ; legs 

 short, stoujt, with a few irregular spines ; abdomen vertically 

 compressed, longer than the head and thorax together. Black or 

 rather obscure deep blue ; the head, the pronotum, mesonotum, 

 scutellum, and a line on the postscutellum covered with silvery 

 pile ; the median segment and abdomen with a rich dark violet 

 pile : wings silvery hyaline for half their length from base, the 

 apical half dark fuscous, with a brilliant purple effulgence ; ner- 

 vures and tegulae black. A variety (greenii, Bingh.) has the front 

 over the base of the antennae strikingly tuberculate. 

 Hah. Ceylon. $. Length 17-20 ; exp. 29 mm. 



341. Pompilus hecate, Cam. Mem. Manch. L. Ph. Soc. (4) iv, 1891, 



pp. 4.58 & 462, pi. iii, fig. 8. 



" 2 ' Black, pruinose, the face densely covered with a silvery 

 pile ; the wings hyaline, the apex infuscated. Eyes broadly 

 arcuate, a little converging beneath ; ocelli large, almost forming a 

 triangle, the posterior separated from each other by a greater 

 distance than they are from the eyes. Clypeus short, transverse, 

 the sides rounded. Head behind very little developed and almost 

 transverse. Prothorax not much longer than the head, almost 

 transverse behind, not much narrowed in front. Median part of 



