96 HYMENOPTERA 



process notclied in the middle and sinuated on each side ; at the 

 lateral extremities of this process are placed the paraglossse, dilated 

 and pubescent at their apex; the labial palpi four-jointed^ the basal 

 joint about equal in length to the two following ; the maxillary palpi 

 six-jointed, the three basal ones of equal length, the following gra- 

 dually a little shorter, the apical one very slender. Thorax ovate ; the 

 superior wings having one elongate marginal cell, rounded at its apex, 

 and three submarginal cells ; the first about equal in length to the 

 two following ; the second narrowed towards the marginal, receiving 

 the first recurrent nervure in the middle ; the third also much 

 narrowed towards the marginal, receiving the second recurrent ner- 

 vure near its apex. Spurs of the posterior tibiae simple. Abdomen 

 elongate-ovate, having an anal fimbria on the fifth segment ; the sixth 

 pubescent at the sides, naked down the centre. 



L. iMiTATUs. Smith, Cat. Hymenopterous Insects, Brit. Mus., Pt. I., 

 p. 9 (1853). 



Female. Black, at the base of the antennae a little pale-yellow 

 pubescence ; the clypeus bright, smooth, and having deep punctures ; 

 the antennae testaceous beneath. Thorax very smooth and shining 

 above, having a few scattered punctures ; the metathorax has an 

 enclosed smooth shining space below the post-scutellum ; the disc 

 is thinly clothed with pale-yellow pubescence ; that on the sides, 

 beneath, and on the femora, trochanters, and coxse, is nearly white. 

 The legs dark rufo-testaceous, their claws ferruginous ; the scopse of 

 the posterior tibiae fulvous ; the nervures of the wings ferruginous ; 

 the wings hyaline, and beautifully iridescent. Abdomen nigro- 

 seneous, the margins of the segments piceous ; the fourth and fifth 

 segments have a thin fringe of pale-fulvous pubescence ; the sixth 

 clothed with the same, but having a smooth longitudinal space in the 

 centre, widest at the base. 



Length, 4J lines. 



Genus-LAMPEOCOLLETES. 



Smith. 

 Head transverse, nearly rounded in front ; ocelli placed in a 

 slight curve. Mentum rather more than twice the length of the 

 labium, which is sinuated on each of its anterior margins, thickly 

 fringed with pubescence; the paraglossae longer than the tongue, 

 dilated and pubescent at the apex ; labial palpi four-jointed, the basal 

 one bent, about the length of the two following, the apical joint very 

 slender; maxillary palpi six-jointed, the three basal joints of about 



