BY ROWLAND E. TURNER. 101 



The types of T. (rivialis and T. fulvifrons were in Bakewell's 

 Collection and appear to be lost. 



10. T. (ZELEBORIA) N1TIDULUS, 11. Sp. 



(J. Clypeus short and narrowly truncate at the apex; antennae 

 as long as the head and thorax; head narrowed behind eyes. 

 Head and thorax closely and finely punctured; anterior margin 

 of pronotum slightly raised at the sides; median segments slender, 

 finely transversely rugulose. Abdomen subpetiolate, elongate 

 fusiform, smooth and shining, with a few very minute punctures; 

 first segment with a deep sulcus from the base to the middle. 

 Hypopygium small, the sides parallel, truncate at the apex, with 

 a short spine. Black; with sparse grey pubescence on the head 

 and thorax; mandibles except at the apex, a narrow, interrupted 

 line on anterior margin of pronotum and a transverse line on 

 postscutellum yellow; legs except the coxae and trochanters ferru- 

 ginous. Wings hyaline, slightly iridescent, nervures black. 

 Length 11-14 mm. 



$. Head broader anteriorly than long, very strongly rounded 

 at the posterior angles, shining and very sparsely punctured, 

 with a deep median sulcus between the^antennae. Thorax and 

 median segment finely punctured; pronotum narrower than head, 

 nearly square, with a median sulcus from the anterior margin not 

 reaching beyond the middle. Abdomen finely punctured-rugulose; 

 first segment depressed at the apex, leaving a straight carina 

 before the depression, the extreme apical margin slightly raised; 

 second segment with five strongly raised transverse carinse, 

 including the raised apical margin. Pygidium small, not con- 

 stricted, epipygium with a faint longitudinal carina. Fifth 

 ventral segment punctured. Black; head, legs and pygidium 

 ferruginous ; thorax and median segment fusco-ferruginous. 

 Length 9 mm. 



Hob. — Melbourne (French). 



The labrum of the male is small, truncate anteriorly and 

 fringed with long hairs. The first joint of the maxillary palpi is 

 about half as long as the second, the three apical joints are 



