254 REVISION OF THE THYNNID.E OF AUSTRALIA, I., 



tubercles between the antenn?e, a broadly interrupted line on the 

 vertex, a narrowly interrupted line on the anterior of the pro- 

 thorax and a narrow line in front of the tegulae, yellow. The 

 wings hyaline, tegulae and nervures at the base dark testaceous, 

 the nervures at the apex black. Length 11 mm. 



^. Unknown. 



Hah. — Victoria (French). 



L. SUBACTA, n sp. 



(J. Head not much narrowed behind the eyes nor produced; 

 closely and finely punctured, with two slightly prominent 

 tubercles between the antennae. The clypeus is depressed along 

 the apical margin, with a slight tubercle on each side before the 

 apex. Prothorax almost smooth, the anterior margin consider- 

 ably raised; mesothorax and scutellum closely and finely punc- 

 tured, the scutellum subtruncate at the apex. Median segment 

 very finely reticulate, with a ver}^ small, transverse, shining mark 

 at the base, rounded at the apex. Abdomen shining, w^ith a few 

 scattered punctures. Epipygium with a broad median carina, 

 not elongate, narrowly rounded at the apex, thinly clothed with 

 long fulvous hairs. Black ; the legs, except the coxse and 

 trochanters, the abdomen, except the extreme base, and a spot 

 at the apex of the scutellum, ferruginous; the margin of the face 

 and clypeus, a triangular spot on the clypeus, the tubercles 

 between the antennae, an interrupted line on the vertex, the 

 anterior margin of the prothorax narrowly and the posterior 

 margin broadly, almost uniting with the anterior marginal line 

 in the middle, and the postscutellum, yelloNv. Wings hyaline, 

 nervures dark fuscous. Length 9 mm. 



Q. Head rectangular, nearly twice as long as broad, shining, 

 sparsely punctured, with a slight median frontal sulca. Thorax 

 sparsely punctured; prothorax shorter than the median segment, 

 narrowed and rounded anteriorly. Median segment elongate, 

 the sides almost parallel. Abdomen cylindrical, finely punctured; 

 a median longitudinal depression on the apical portion of segments 



