74 Cameron, Hymenoptera Orientalia. 



lemon-yellow ; the base of the petiole broadly and deeply 

 depressed ; the middle of the apical part broadly raised ; 

 the base irregularly reticulated with two longitudinal keels 

 in the middle ; the apical part has a central and lateral keels, 

 which enclose two wide and deep central, and one narrower 

 and less deep lateral, depressions. The second segment is 

 irregularly, strongly and sharply striated ; the central 

 keel extends to the apex, its base very smooth and 

 triangular ; on either side of this is a stronger keel, 

 which does not quite reach to the apex, which, at the 

 sides, is much more closely and finely punctured. The 

 depression at the base of the third segment is stoutly 

 striated ; the middle of the segment to near the apex 

 strongly longitudinally striolated ; the oblique furrows 

 marked with rather widely separated, and not very 

 distinct keels; on the side of the triangular basal space 

 enclosed by them is an indistinct longitudinal furrow. 



Bracon UMBRATILUS, Sp. nov. 



Niger; prothorace, mesonotoque ami scutello I'ufis ; alts 

 fuliginosis, stigmate fusco. ? . 



Long. 8 ; terebra 5 mm. 



Antennae and head entirely black ; the front and vertex 

 smooth and shining ; the frontal furrow wide and deep ; 

 the face and oral region closely and uniformly punctured, 

 and thickly covered with long, white hair; the palpi black, 

 thickly covered with white hair. Prothorax red ; black at 

 the base ; the propleurse closely punctured ; the base finely 

 striated. Mesonotum smooth, thickly covered with short, 

 white hair; the scutellum finely punctured. The postscu- 

 tellum and median segment black, the latter minutely 

 punctured, at the apex thickly covered with long, white 

 hair. The base of the mesopleurije rufous to near the 

 bottom ; the oblique furrow is wide and deep. Mesoster- 



