254 HYMENOPTERA. 



face covered with bright golden pile. The head and thorax finely 

 punctured, most sparing on the disk of the mesothorax; the 

 raetathorax most strongly and closely punctured, the punctures 

 confluent; wings fusco-hyaline, smoky towards their base, the 

 apical margins faintly clouded ; the nervures rufo-testaceous, 

 the costal, post-costal, the externo-medial and anal nervures 

 dark fuscous ; the first and second segments of the abdomen 

 black; the apical margin of the second and the following seg- 

 ments yellow, with a bright golden pile. 



Hab. Sumatra. 



58. SpHEX LINEOLA. B.M. 

 Sphex lineola, St. Farg. Hym. iii. 353. 27. 



Hab. Java; Sumatra; Hong Kong; North China. 



59. Sphex nigripes. B.M. 



Female. Length 9-10 lines.— Opake-black : the head and 

 thorax thinly sprinkled with black pubescence ; wings fusco- 

 hyaline, dark fuscous towards the base, with a yellowish tinge in 

 the middle and fuscous at their apex ; the nervures rufo-testa- 

 ceous, towards the base of the wings they are darker ; the femora 

 and tibiae ferruginous; the tarsi black. 



Hab. Sumatra; North China (Shanghai). 



Some specimens from Sumatra have only the posterior femora 

 ferruginous ; those from China are similarly coloured ; the wings 

 in some examples are darker than in others. 



60. Sphex Formosa. B.M. 



Female. Length 10 lines.— Black : the face densely clothed with 

 bright golden pubescence, the cheeks have also a golden pubes- 

 cence, and the head a scattered long golden-yellow pubescence. 

 The thorax is covered with golden pubescence of a rather paler 

 colour than that on the face, the scutellum and a s])ace beneath 

 the wings usually naked, the pubescence densest on the meta- 

 thorax; the legs'covered with a fine silky pile; the wings fusco- 

 hyaline, their apical margins fuscous, the nervures rufo-fuscous. 

 Abdomen : the petiole about the length of the first segment ; 

 the abdomen has a blue tinge and is covered with a delicate 

 silky pile. 

 Hab. Ceram. (Coll. Madame Ida Pfeiffer.) 



