44 IC11XECMONIDJE. 



subsulcate and anteriorly vertical central lobe, a dot before the 

 radical callosities and on the centre of the mesopleurae, the 

 minute and transverse areola, and the strongly costate external 

 arese entirely, black; metanotum glabrous, with longitudinal 

 costse emitted from beyond the centre of the external areas and 

 bifurcating to the apex at the obsolete apophyses, where they are 

 intercepted by the basally wanting costulae spiracles large and 

 linear. Swtellum not small nor laterally carinate, evenly and 

 not closely punctate, with pale pilosity. Abdomen nitidulous, 

 subglabrous and apically pilose, of $ fusiform, of d narrower; 

 flavous, with the base of the third and fourth segments 

 obsoletely black, $ with all the segments basally black except 

 the first ; bnsal segment finely punctate, gradually a little ex- 

 planate throughout, with subcentral spiracles ; venter flavous, 

 c? valvuke exserted, hypopygium of $ extending to the apex and 

 covering the base of the apically incrassate valvulaa ; terebra 

 as long as the abdomen. Legs flavous, the hind ones stout, 

 elongate, and in $ with a discal coxal spot; the tarsi, extreme 

 apices of trochanters, of femora, and base of their hardly curved 

 tibiae, black ; anterior claws bifid ; c? hind tarsi infuscate. 

 Wings hyaline, with all the apices alone infumate ; radix, tegulse, 

 and base of costa flavous ; costa and stigma black ; areolet and 

 nervelet wanting : second recurrent emitted from external cubital 

 only slightly in J > and very distinctly in 5 , beyond the single 

 submarginnl nervure ; first recurrent of lower wing subopposite, 

 emitting the curved nervellus from slightly (in c? distinctly) below 

 its centre. 



Length 8-10 millim. 



SIKKIM, iv.-vi. 1900 (Col. 0. T. Bingham). 



Type, ? , in the British Museum. 



Described from two males and a female. 



This distinct species belongs to Forster's subgenus Phcmolobus. 

 and, with the following, appears to bear the same relationship to 

 Accmitus that Xantliopimpla has to Pimpla. 



13. Acaenitus biumbratus. sp. n. 



$ . A flavous species, with sparse black markings, and two 

 infumate alar marks. Head flavous, with the ocelli, apices of 

 mandibles, and the distinct occipital border centrally, black ; 

 frons and vertex deeply and somewhat sparsely punctate, the 

 former with the scrobes large, glabrous, and centrally strongly 

 carinate to the centre of the coarsely and rugosely punctate face ; 

 clypeus similarly sculptured, apically truncate, and basally 

 indistinctly discrete. Antenna abruptly obtuse and slightly 

 incrassate apically, black, with the ecape and basal flagellar joints 

 Havidous beneath. Thorax evenly and distinctly punctate, 

 flavous, with a broad stripe on either side of the deeply impressed 

 notauli, a striolate spot at the base of the entire and anteriorly 

 vertical central lobe, a dot behind the tegula?, and the narrow, 



