XA.\TIIi:.\:OCIIL-.-<. KXOCIUS. 



293 



-07. Xaiithexochus scutellatus, .sp. u. 



2 . A large, flavo-testaceous species, with sparse black markings. 

 JJetid pale, with only the ocelli, occiput, and unequal mandibular 

 teeth, black ; face coarsely and evenly punctate, clypeus smoother. 



Antennce black ; scape entirely 

 flavous, and the llagellum 

 rufescent beneath. 'Thorax 

 testaceous, Avitli the base of 

 the mesonofcum (whence pro- 

 ceed three testaceous discal 

 stripes), and the postscutellar 

 frenum narrowly, l)lack ; 

 notauli distinct, superficial, 

 and not short. ^cntellum 

 and postscutellum tlavous. 

 Abdomen convex, niticUilous, 

 pilose, subparallel-sided, and 

 pale testaceous, with the base 

 of all the transverse segments 

 indeterminately and narrowly 

 blackish. Legs tia\escent, 

 with the pulvilli, posterior claws, base of hind tibia?, and extreme 

 apex of their femora, black. Wiufjs hyaline, with rndix and 

 tegula? flavous and stigma infuscate. 

 Length 10 millim. 



Assam : Chandkhira, Sylhet (./. L. Sherwill). 

 Tifpe in the British Museum. 

 Described from a single female. 



Fig. 75. 

 Xanfhcxoch us scutellatus 



iforl. 



Genus EXOCHUS, Gnu: 



Exochus, Gravenhorst, Ichn. Eur. ii, 1829, p. 3:28 j Thomson, Deut. 

 Ent. Zeit. 1887, p. 207. 



Genotype, Ichneumon gravipes, Grav. 



A genus of small, shining black species with prominent face 

 and no areolet. Head transverse, with the vertex not narrow, 

 often with pale markings laterally ; occiput declivous and more 

 or less excavate; frons impressed above the scrobes, with no 

 cristulae ; face strongly convex and somewhat strongly punctate ; 

 cheeks often witli an impressed sulcus and their costaj usuallv 

 inflexed ; eyes always broader below and internally more or less 

 emarginate. Antenntc shorter than the body, stout, iiliform or 

 subsetaceous, emitted from the top of the facial prominence. 

 Thorax stout, usually deplanate, with the pronotal epomia" dis- 

 tinct and nitidulous ; notauli wanting or punclii'orm; areola 

 confluent with basal area, with no dividing carina: costuhc 

 stronger in S ; petiolar area not discrete ; spiracles oval ov 

 subcircular. Scutellum with no lateral margin. Abdomen 



