32G PROCEEDINGS OF THE NATIONAL MUSEUM. vol.52. 



BRACON MONTREALENSIS, new species. 



Agathis liberator Provancher, Le Nat. Can., vol. 12, 1880, p. 176. 

 Agathis semirubra Smith, List of the Insects of New Jersey, 1909, p. 609. 

 Cremnops semirubra Banks, Ent. News, vol. 23, 1912, p. 108. 



Black, apical border of labrum pale ; metathorax, propodeum, and 

 abdomen red; length, 6-8 mm. 



Female. — /Zeadf.— Triangular, dimensions of typical specimens as 

 follows: Height, 56; width, 62; height of eye, 30; malar space, 25; 

 width between eyes, 33; width at bottom of head, 19; interantennal 

 plates triangidar in outhne, separated by a triangular groove, and 

 with a median groove running for a short distance dovm the face; 

 profile of face nearly straight on the clypeus, sUghtly emarginate 

 opposite the clypeal foveae, then shghtly bidging to the flattened area 

 below the antennae; ridges sm-rounding the antennal fossae rather 

 prominent, arched, highest opposite the median ocellus and contin- 

 uous to the lateral ocelU; head black, sometimes paler behind the 

 eyes; face sliining, fairly closely punctiu'ed and hairy in the middle, 

 more hghtly but nearly as closely punctured on the sides and below; 

 compound eyes relatively large, dark; oceUi pale, the lateral ocelli 

 typically shghtly nearer to the median ocellus than to each other, 

 although this appears to vary; antennae 39-40 segmented, black, 

 the fu-st two segments smooth and shining; labrum black, lower bor- 

 der pale tawny, Ander than long, spai-sely punctate and hairy; man- 

 dibles black, beak black, margins of lobes paler, palpi black, or black- 

 ish, maxillary palpi less than twace as long as labial. 



Thorax. — Longer than high, black; metathorax and propodeum 

 red; lateral lobes of pronotum smooth and shiny, sparsely and finely 

 punctate and hairy around the edges, the pits deep and broad, pro- 

 episterna closely punctured and hairy, the apical lobes highly polished 

 and broader than in most species, being produced laterally; mesono- 

 tum shining, fairly smooth, sparsely punctured and hairy; parapsidal 

 furrows straight, well defined, crenulate, sometimes obscurely, the 

 side walls flattening out behind; longitudinal groove of the median 

 lobe relatively deep and narrow, lateral lobes flattened over much of 

 their surface, hind angles of the thorax shghtly produced into a 

 broadly rounded vertically compressed plate, scutellar fossae trans- 

 versely broad and deep, with a prominent median longitudinal carina 

 and one or more very indistinct lateral carinae on each side of the 

 median carina ; scutellum triangular, rounded off behind and on the 

 sides, pmictured and shining; mesopleurae shining, sparsely punc- 

 tured and hairy over the whole disk, more densely so below and on the 

 venter; mesopleural furrow deep, and very coareely crenulate, longer 

 than half of the %\adth of the pleurae, not quite horizontal, metaplem-ae 

 shining, roughened only along the leaver margin, sparsely punctured 

 and hairy over the whole surface; propodeum strongly areolate, the 



