Hymenoptera aculeata collected in Algeria. 411 



Odynerus (Lionotus) specularis, d. sp. 



0. bidentato colore assimilis minus hirsutus, post-scutello arete 

 elevato, crista media subdentata, postice perpendiculari, nitidissimo, 

 propodeo linea dorsali ad basin explanata nitidissima, lateribus 

 utrinque bi-angulatis, squamis magnis subquadratis. 



Group of dantici and allied to bidentatus, Lep. 



£ . Black, clothed with short grey hairs, those on the head and front 

 of the thorax rather longer. Head and thorax rugosely punctured, 

 clypeus and labrum flavous, punctured, the former deeply and semi- 

 circularly emarginate, clothed with silvery pubescence, mandibles 

 testaceous, brown at the apex, a spot between the antenna 3 , the lower 

 anterior orbits of the eyes, a spot behind each eye, and the first two 

 antennal joints flavo-ferrugineous, apical joints of the antenna? 

 including the recurved hook testaceous, at least beneath ; pronotum, 

 except its posterior angles, the tegula?, two transverse spots along 

 the apex of the scutellum, and a spot on each side of the propodeum 

 along the lateral margin yellow, anterior margin of the pronotum 

 very slightly produced in the centre, its angles slightly prominent 

 and rectangular, tegulse punctured, wings including nerves anteriorly 

 and on the apical half, suffused with brown colour becoming yellower 

 towards the base, post-scutellum sharply elevated with a shining 

 semi-circular area on its perpendicular posterior side, scarcely 

 crenulate, but with a slight central tooth, propodeum angulated at 

 the sides with a strong emargination beneath the larger angle, 

 depression rugosely punctured, but with a very bright shining sub- 

 triangular central space meeting the shining area of the post-scutellum, 

 apical scales very large and subquadrate ; abdomen thinly clothed 

 with fine grey pubescence, giving it a greyish look in some lights, 

 rugosely punctured, all the segments with broad yellow trisinuate 

 apical bands, that on the first segment very wide, only leaving a 

 sub-triangular black spot at the base ; beneath shining, strongly 

 punctured, with a band on the second and third segments only, basal 

 crenatures of the second segment long and well developed, legs yellow, 

 coxae and trochanters black, all the former spotted with yellow in front. 



Long. 13-14 mm. 



<£ 1. Biskra, to the north of railway, kilomdtre 199, 

 4.30-6 p.m., on Tcncrmm polium, 28, v, 

 94. (A. E. E.) 



$ 1. „ on Echinops spinosus. (A. E. E.) 



I have described the bands, etc., of this species as 

 yellow, as they are evidently discoloured in both my 

 examples. 



