POMPILUS. 159 



posteriorly, and with a steep slope to its apex ; legs stout with a 

 few scattered spines, anterior tibiae and tarsi feebly ciliated on the 

 outer side. Ferruginous red ; the wings flavo-hyaline, broadly 

 infuscated at apex, nervures brown, tegulse ferruginous ; the 

 clypeus, the inner margin of the eyes, a line on the posterior 

 margin of the pronotum, a spot on the posterior tibiae at base, the 

 basal two joints of the intermediate and posterior tarsi, and the 

 3rd and 4th segments of the abdomen yellow. 



Hah. India. $ . Length 15 ; ^ay. 25 mm. 



The type and only known specimen is in the collection of the 

 British Museum, South Kensington. 



1891, 



312. Pompilus ariadne. Cam. Mem. Manch. L. Ph. Soc. (4) iv, 



pp. 457, & 462, pi. iii, figs. 7, 7 a. 



$ . Head, thorax, and abdomen pruinose ; head strikingly 

 concave behind, convex in front and sessile ; pronotum long ; 

 scutellum and postscutellum somewhat prominent; median segment 

 long, with a gradual slope posteriorly, depressed at apex in the 

 middle, the sides produced into slight conical projections ; the 

 whole thorax and also the abdomen, which is pseudosessile, com- 

 pressed laterally ; legs stout, the tibiae and tarsi slightly spiuose. 

 Black ; the anterior margin of the clypeus, the antennae beneath, and 

 the tarsi testaceous, the posterior tibial calcaria white ; the head 

 above, the pro- and mesonotum, and the segments of the abdomen 

 at base covered with thin silvery pile ; wings fusco-hyaline. 



Hab. Barrackpore, Bengal ; Tenasserim. § . Length 6-7 ; exy. 

 11 mm. 



313. Pompilus reflexus, Smith, Trans. Ent. Soc. 1873, p. 189, $. 

 Pompilus familiaris, Smith, New Sp. Hym. B. M. p. 147, $ {nee 



Sinith, Cat. iii, p. loO). 

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

 pp. 458 k 474, pi. iii, fig. 25. 



$. Head, thorax, and legs pruinose; abdomen smooth, some- 

 Avhat shining; head much broader than the thorax; clvpeus trans- 

 verse, its anterior margin porrect, straight in the middle, oblique 

 at the sides ; thorax laterally compressed, the median segment 

 rounded posteriorly, the slope at apex steep ; legs stout, with the 

 tibiae and tarsi sparsely spinose ; abdomen pseudosessile, as long 

 as the head and thorax together. Black, the head and thorax in 

 certain lights with silvery pile, most dense on the clypeus, sides of 

 the face, and median segment; the basal abdominal segment 

 except at the extreme base, the 2nd, and basal half of the 3rd 

 ferruginous leJ, the remainder black, the apex of the anal segment 

 reddish with stilf scattered hairs ; wings fusco-h3'aline, with a 

 broad darker fuscous margin at apex ; nervures and tegulae 

 testaceous brown. 



Hah. Sikhim; Burma; Tenasserim; Japan. $. Length \Q-\1 ; 

 ex]j. 19-21 mm. 



