BY ROWLAND E. TUKNEK. 219 



SQiooth space on the sides just before the apical margin, the base 

 of the segments very finely punctured. Abdomen ))eneath 

 strongly punctured. Epipygium rugulose, smooth and with a 

 median carina and recurved margins at the extreme apex, which 

 is narrowl}'- rounded. Hypopygium tridentate, carinate beneath. 

 Entirely black, wings fusco-violaceous. 



5. Head nearly rectangular, longer than broad, rounded at the 

 posterior angles, with scattered shallow punctures, and a short 

 median frontal sulca; a narrow space above the base of the 

 antennae longitudinally rugulose, a strong lateral sulca almost 

 touching the inner margin of the eye and extending thence almost 

 to the posterior margin of the head. A few scattered ferruginous 

 hairs, especially near the posterior angles. Thorax with a few 

 shallow punctures, prothorax slightly narrowed anteriorly; median 

 segment obliquely truncate, as broad at the apex as long. First 

 abdominal segment vertically truncate anteriorl}-, short, sparsely 

 punctu>ed, second segment slightly constricted near the base, tlie 

 punctures on segments 3-5 closer and more elongate; p^'gidium 

 rugulose at the base, sharply narrowed posteriorly into a very 

 narrow process slightly widened at the apex, the surface of the 

 process smooth with recurved margins or marginal cariree A 

 row of golden hairs projecting from the sides of the narrow 

 process. Shining black, antennae with basal joints ferruginous, 

 the apical joints piceous, a luteous mark on the front on each 

 .side extending from the inner margin of the eye to above the 

 base of the antennas, legs dull ferruginous, apical margins of 

 abdominal segments 3-5, and the apex of the pygidinni testaceous 

 Length 9 mm. 



Hah — ^^Mackay, Q.((J9 i" cop.). 



R. APPKOXIMATUS, U.sp. 



^. Clypeus with a median carina from the l)ase, branching at 

 the centre, the branches reaching the anterior margin. A V-shaped 

 carina between the antennae, and another broadly arched between 

 the eyes. Head, thorax, and scutellum punctured, prothorax 

 narrowed anteriorly, with the anterior margin slightly raised; 



