BY ROWLAND E. TUllNKK. 255 



2-4. Epipygium with a median carina. Castaneous-ljiown. 

 Length 5 mm. 



Hah. — Adelaide (Fortnuiu). Types in Oxfoid University 

 Museum. 



L. COMES, n.sp. 



(J. Very slender. Clypeus with a raised triangular elevation 

 from the base to near the apex, where it is broadest, suddenly 

 depressed at the apex. Head densely and finely punctured, 

 narrowed posteriorly. Prothorax shining, almost smooth; meso- 

 thorax delicately punctured, scutellum rather long, narrowly 

 rounded at the apex. Median segment delicately reticulate, with 

 a deep longitudinal sulca from the base reaching about half-way 

 to the apex. Abdomen with a few shallow punctures, the apical 

 segment more coarsely punctured, with thin fulvous pubescence. 

 Black ; the mandibles yellow, ferruginous at the apex ; the 

 antenn?e, legs, except the cox« and trochanters, the two basal 

 abdominal segments and the third at the base, dark ferruginous 

 the two apical joints of the antennae fuscous. A very narrow 

 interrupted white line on the anterior margin of the prothorax. 

 Wings hyaline, iridescent, nervures fuscous. Length 7 mm. 



Hah. — Victoria (French). 



L. OPACA, n.sp. 



(J. Slender. Clypeus with a basal carina produced into a pro- 

 minent tubercle in the centre of the clypeus; head finely punc- 

 tured, with a short white pubescence and a very fine median 

 frontal sulca; narrowed behind the eyes. Prothorax rather 

 depressed, narrowed anteriorly, very finely and shallowly punc- 

 tured; mesothorax more strongly punctured; scutellum subtri- 

 angular, narrowly rounded at the apex; median segment reticulate, 

 almost smooth at the base, with white pubescence on the sides. 

 Abdomen slender, shining, with very minute, shallow punctures, 

 a slightly raised mark on each side of segments 2-5 near the 

 apical margin. Epipygium strongly punctured, broadly rounded 

 -at the apex. Entirely black, the head opaque, thorax and 



