Ml. K. E. Turner on Fossorhd Hymenoptera. W.Vi 



inlilillc of the clypcus, a narrow shining space below the 

 tubercle reaching to the ancx, the base and sides very fnu'ly 

 punctured. Mandibles bidentatc, the inner tooth short and 

 blunt. Antenna) inserted as far from each other as from {\ni 

 eyes, longer than the thorax and ujedian segment combined, 

 the apieal joints arcuate. Front strongly, vertex more finely 

 and shallow ly jjunctnred, the interantennal prominence broad, 

 well developed, feebly bilobed at the apex. Posterior ocelli 

 about twice as far from the eyes as from each other. Thorax 

 and median .segment jiunctured, closely on the sides of the 

 niesonotum and on the pleurae, more sparsely elsewhere; the 

 pronotum almost smooth, the anterior niargin raised. Scutel- 

 lum strongly raised, with an oblique triangular slope anteriorly, 

 broadly subtruncate at the apex. Median segment rounded, 

 much longer than broad. Abdomen slender, flattened and 

 elongate, very slender at the base, much longer than the 

 liead, thorax, and median segment combined, sparsely but 

 not finely punctured, the apical segments witli rather long 

 fuscous j»ubescence on the sides, liypopygium small, pro- 

 duced a little beyond the dorsal segment and rounded at the 

 apex. Third abscissa of the radius half as long again as the 

 second ; the third cubital cell receives the second recurrent 

 nervure at one-third iVom the base. 



Black ; the mandibles (except at the aj)ex), a curved spot 

 on the middle of the clypcus, the orbits of the eyes as hifh 

 as the base of the antenna^, the apex of the interantennal 

 prominence, a short transverse line on each side at the 

 posterior angles of the head, a narrow curved baiul on each 

 fide of the pronotum and a very shoit transverse line on each 

 side on the anterior margin, a curved spot on the mesopleura) 

 below the anterior wing, a narrow line on the mcsonotum, 

 a small spot on the middle of the scutellum and one at each 

 of the anterior angles, a transverse line on the postscutelluni 

 and the anterior angles, a curved oblique band on each sido 

 on the apical half of the median segment, a small spot on 

 each side at the aj^ex of the first abdominal segment, and a 

 spot at the apex of the coxa3 yellow ; the tour basal abdominal 

 segments ferruginous, very narrowly black on the apical 

 margin, the base of the first segment black. Wings very 

 pale flavo-hy:dine, ncrvures ferruginous. 



Length Iti mm. 



Hub. Barbacena, Minas Gcraes [A. Ihicki), December. 

 A single specimen. 



The colour is so variable in some species of Thynnidie that 

 it is possible that this may be a variety of histrio, Klu"^, 

 which I have not seen. King gives no details as to structuro 



