224 REVISION OF THE THYNNID.?: OF AUSTRALIA, I., 



pubescence. Epipygium without carinse, with a small tuft of 

 golden hairs on each side near the apex. Length 1 1 mm. 



Shining black, the mandibles, except at the apex, the antennae 

 and legs, ferruginous. 



Ilab. — Mackay, Q.((J9 in cop.). 



R. FULVIPENNIS, n.sp. 



^. Clypeus tumid at the base, with a longitudinal carina from 

 the base to the centre, densely clothed with vvhite pubescence, 

 the pubescence on the middle of the anterior margin fulvous; 

 front coarsely, occiput finely rugulose. A transverse carina 

 between, but not touching the eyes, and another rounded at the 

 apex between the antennae. Thorax densely punctured, scutellum 

 narrowly truncate at the apex; median segment subtruncate, 

 punctured at the base, finely rugulose at the apex. Pubescence 

 on head and thorax fulvous above, grey beneath. Abdominal 

 segments coarsely punctured, more finely at the base of tlie 

 segments. The segments beneath thinly fringed with long gre}^ 

 pubescence at the apex. H3^popygium without lateral spines. 

 Black, the mandibles at the apex, scape of the antennae and legs, 

 except the coxae, ferruginous. Tegulae testaceous. Wings flavo- 

 hyaline, nei vnres ferruginous. Length 16 mm. 



9- Head subrectangular, as broad in front as long, slightly 

 produced posteriorly, smooth and shining, with scattered shallow 

 punctures and a short median frontal suture, a narrow space 

 above the base of the antennae longitudinally rugose, a strong- 

 lateral sulca on each side from near the inner margin of the eye 

 to the occiput, the sulcae moderately straight as in R. fascifetinix. 

 Prothorax gradually narrowed to the anterior margin, which is 

 strongly depressed, finely punctured on the depressed portion, 

 then a narrow rugulose space, then smooth with a few scattered 

 punctures to the posterior margin. Median segment short, 

 oblique truncate posteriorly, the truncation covered with very 

 fine punctures. Abdomen shining, with scattered punctures, 

 first segment short and truncate at the base. Pygidium simple, 

 pointed at the apex. Black; mandibles, clypeus, antennae, a 



