560 Mr. Edward Saunders on 



black, rest of the thorax black ; wings luteous, their apical margins 

 with a broad, definite black band ; mesopleurae and sterna dull and 

 shagreened, but not striate ; metapleuree and sterna very finely 

 and closely striated ; propodeum finely and rugosely, transversely 

 striate, with a shallow longitudinal impression ; abdomen subelliptic, 

 black, surface very finely shagreened with indications of very re- 

 mote shallow punctures, 6th ventral segment with a narrow rounded 

 central emargination, 8th rather flat, rounded at the apex and 

 fringed with a series of short thick hairs ; legs rufotestaceous 

 with the coxae, trochanters, the base of the femora, the apices of the 

 tibiae, and the middle and hind tarsi black, except the basal joint ; 

 front pair testaceous, darkened towards the apex. 



9 like the £ in coloration, except that the head (with the excep- 

 tion of the clypeus) is entirely testaceous, that there is a testaceous spot 

 on the posterior part of the mesoscutum, extending on to the scutellum 

 and sometimes onto thepost-scutellum, and that the testaceous colour 

 of the femora is more extensive, leaving only the basal quarter or 

 third black ; mesopleurae and sterna dull and shagreened and with 

 more or less distinct diagonal striae, metapleurae and sterna finely 

 and clearly striated ; propodeum glabrous, much as in the <$ , trans- 

 versely and rugosely striated with a shallow central impression ; 

 abdomen black, finely shagreened and with a very indefinite shallow 

 puncturation, apical segment clothed with rather long brownish 

 hairs. 



Long. 11-13 m.m. 



$. Biskra, 16. v. 98. F. D. M. 



$ 2. Biskra, on Ammi visnaga, 18 — 24. v. 93. A.E. E. 



S ALIUS SANGU1NICOLLIS. n. sp. 



Niger, capite et thorace sanguineis, in mare plus minus nigro 

 signatis, antennis rufotestaceis alis nigro violaceis, propodeo nigro, 

 hirsuto transverse rugoso- striata), mesopleuris prope coxas inter- 

 medias spinose tuberculatis ; abdomine nigro, immaculato, in foemina 

 subnitente sparsius punctato in mare opaco, pedibus anticis, tibiia 

 tarsisque intermediis et posticis obscure sanguineis. 



£ Black, head and thorax clothed with rather short black hairs, 

 clypeus nearly as long as broad ; mandibles long and straight, sanguine- 

 ous, sides of the face and vertex behind the eyes of the same colour, 

 antennae rufotestaceous, apical end sub-apical joints dusky ; thorax 

 red on the pro- and mesonotum, often clouded on the centre of the 

 pronotum and mesoscutum ; pleurae black, dull, with a remote, very 

 shallow puncturation ; mesopleurae each with a triangular spine-like 



