152 pompilidjE. 



$ . Head, thorax in front, and abdomen smooth ; median 

 segment transversely striate, with a medial longitudinal furrow, 

 and a short shallow one on each side of it close to the base ; clypeus 

 \\ith its anterior margin deeply emarginate, almost bilobed ; legs 

 with the tibiae and tarsi moderately spinose. Head and thorax 

 black, abdonieu ferruginous red ; wings hyaline, with a broad 

 fuscous border at apex, tegular and nervures testaceous brown ; 

 the clypeiis has a broad border anteriorly of silvery pile, which 

 is continued up the inner margin of the eyes, beneath this pile the 

 surface is ferruginous red, and this latter colour is continued round 

 the orbits of the eyes, interrupted, however, on the vertex ; a short 

 transverse stripe on the collar, and another along the posterior 

 margin of the pronotum yellow ; the posterior femora with the 

 tibial calcaria bright ferruginous. 



Hab. India. 5 . Leiu/fJi 20 : cvj^. 32 mm. 



The type and another specimen, also a $ , in the British Museum 

 collection are all I have seen. 



297. Pompilus arrogans, Smith, Trans. Ent. Soc. 1873, p. 187, $ 



(wee Smith, 2nd York. Miss., Hym. 1878, p. 14, $ ). 



$. Obscurely pruinose; head not wider than the thorax; 

 clypeus very slightly convex, almost vertical, its anterior margin 

 widely arched, transverse in the middle ; thorax stout, laterally 

 compressed, the pronotum with a steep slope anteriorly ; scutellum 

 large and prominent , median segment with a rounded steep slope 

 to the apex, which is perceptibly truncate and flat ; legs stout, the 

 tibia? and tarsi with irregular, scattered spines ; abdomen pseudo- 

 sessile, thick at base. Black, the clypeus, front of the face, median 

 segment posteriorly, and a transverse fascia at the base of 2nd and 

 3rd abdominal segments above with hoary pile ; an abbreviated 

 narrow line on the inner margin of the eyes, a broader fascia inter- 

 rupted in the middle on the posterior margin of the pronotum, a spot 

 on the posterior tibia? above, and an elongate spot at the base laterally 

 of the 2nd and 3rd segments of the abdomen yellowish white : wings 

 hyaline, broadly infuscate at the apex ; nervures and tegulse black. 

 A variety has the anterior margin of the clypeus narrowly and a 

 square spot at the apex of the mesonotum yellowish white ; another 

 has in addition to the usual markings a transverse yellow fascia at 

 the base of the 4th and 5th segments of the abdomen above. 



Hah. Tenasserim ; Ceylon ; Japan. $ . Length 12-15 ; exp. 

 25-28 mm. 



298. Pompilus decoratus, Smith, New Sp. Hym. B. M. p. 149. 



5 . Head, thorax, and abdomen smooth and somewhat shining ; 

 clypeus half-moon-shaped, its posterior margin transverse, anterior 

 boldly arched ; the mesonotum with an ill-defined shallow medial 

 longitudinal sulcation and an abbreviated furrow on each side close 

 to the apex, not reaching the anterior margin ; median segment 

 rounded, with a gradual slope to the apex, the margin recurved ; 



