376 Mr. P. Cameron on 



uotum darker tlian the pleurae, especially in the middle ; 

 closely punctured, thickly covered with depressel fulvous 

 pubescence. Scutellum pyramidal, the top shining, sparsely 

 covered with large ]uuictures and clothed with long fuscous 

 hair ; the keels broad, extending from the base of the depres- 

 sion to the middle behind, becoming narrower as they do so; 

 below the keels the scutellum is closely punctured. Post- 

 scutellum not much depressed at the base, stoutly longitudinally 

 striated. The base of the median segment is obliquely de- 

 pressed in the middle, irregularly rugose, the bottom smooth 

 and shining ; there are only the two central area? — the basal 

 is slightly narrowed towards tlie apex and irregularly marked 

 with stout keels, the apical area is narrowed at the base and 

 stoutly irregularly striolated ; the sides are stoutly carinate, 

 except at the base, where the keels are somewhat indistinct ; 

 the tooth very stout and prominent. The propleur^e strongly 

 punctured, especially behind^ the lower parts obscurely striated, 

 and with a stout keel behind the central depression. Meso- 

 pleurffi strongly punctured; under the wings is a large pro- 

 jection, roundly narrowed at the base and apex; the basal 

 part of tlie metapleurffi strongly punctured, bordered at the 

 top with a stout keel ; the apex is coarsely, rugosely, irregu- 

 larly reticulated. Tlie anterior coxte slightly, the posterior 

 coarsely, punctured. Areolet oblique ; the first transverse 

 cubital nervure is straight, oblique, the second more curved ; 

 they unite at the top ; the recurrent nervure is received 

 shortly beyond the middle; the transverse basal nervure is 

 almost interstitial. Petiole smooth and shining; the sides 

 tuberculate at the spiracles; the apical half of the dilated 

 part laterally depressed, the depression becoming gradually 

 wider towards the apex. The second and following segments 

 are closely punctured, the third and following segments infus- 

 cated; the gastrocoeli large, deep, the base smooth, the apex 

 aciculated, the outer edge obscurely striated. 



Lagenesta, gen. no v. 



Antennae stout, dilated beyond the middle. Labrum 

 largely projecting. Apex of clypeus transverse. Mandibles 

 bidentate, the apical tooth the larger. Scutellum flat, its 

 sides not carinate. Median segment without areas, all the 

 keels being obliterated. Areolet large, five-sided, wide at 

 the top. Legs stout, the tarsi spinose. Abdomen with 

 seven segments, neither punctured nor striated ; the ventral 

 fold distinct on the second and third segments, less distinct on 

 the fourth and fifth. 



