Eurytominï. 345 



finely and shining on the iuuerside. Scutellum finely rugosely 

 punctured. Metanotura with a shining acicnlated space in 

 the centre and on the sides at the base, the ceutral space 

 narrowed to a sharp point, the rest irregularly, reticulated 

 punctured. Plenrae coarsely acicnlated or finely punctured, 

 with shining spaces above and below on the pro- and meso- 

 plenrae; the metapleurae more opaque, coarsely rugose. The 

 middle joints of the flagellum are thinner than the basai or 

 apical ; the hair is as long as the joints. Abdominal pétiole 

 about two-thirds of the length of the hiud coxae, fiuely 

 furrowed down the centre and closely trausversely striated. 

 Apex of fore femora and tibiae testaceons behind. — 

 Length 3 mm. 



Cape Colony. 



The distinction between Isosoma and Euxysoma Ashm, 

 appears to consist in the différences in the strength of the 

 thoracic punctuation. 



2. Eurytoma striatula sp. nov. Q. 



Black, the head, thorax and legs covered with a short 

 white pubescence, the knees aud hiud tarsi testaceous, the 

 wings hyaline, the nervures testaceous. Vertex closely 

 longitudiually striated, the striae clearly separated and iuter- 

 sected with finer transverse striae. Face closely, finely 

 striated, the striae curved aud con verging towards the centre; 

 there is a short, smooth shining keel below the autenuae ; 

 the apex lias a semicircular, deep dépression in the middle. 

 Temples distiuctly reticulated above, below lougitudinally 

 striated, the long striae intersected with finer transverse ones. 

 Thorax above covered with rouud, shallow clearly separated 

 punctures ; ou the scutellum thèse are stronger and form 

 alinost reticulatious. Metauotum trausversely rugosely 



punctured, and with a shining furrow dowu the centre. 

 Propleurae coarsely aciculated. Mesopleurae aciculated and 

 closely, finely lougitudinally striated, more finely iu the centre 

 than elsewhere and more coarsely at the base below. Meta- 

 pleurae rugosely punctured, more or less reticulated in the 

 middle. Abdomen shining, impunctate, the apical segments 

 fringed with white hair. Legs covered with white hair ; 

 the spurs testaceous. — Length 2 mm. 



Cape Colony. 



Pro- and mesouotum equal in length ; the thorax longer 

 than the mesouotum. Coxae minutely, closely puuctured. 

 Antennae stout, the middle joints of the flagellum broader 

 than long, the basai uarrower, longer than broad, the apical 

 forming a club. 



