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VOL. XXIII. LONDON, JANUARY, 1891. No. i. 



DESCRIPTIONS OF SOME NEW CANADIAN BRACONID.E. 



BY WM. H. ASHMEAD, BERLIN, PRUSSIA. 



The interesting new species of Braconidse described below, unless 

 otherwise stated, were all captured by my good friend Mr. W. Hague 

 Harrington, at Ottawa, Canada. 



BRACON FABR. 



(i) Br aeon brachyurus n. sp. 



$ . — Length 2-, mm. ; ovip. \ mm. Black, polished ;_ mandibles, 

 palpi and legs, except the posterior coxae and the basal two-thirds of their 

 femora, yellowish-brown, Tegulse honey-yellow. The head is transverse, 

 the cheeks rounded off posteriorly. Antennae 22-jointed. The parap- 

 sides are not sharply defined, only indicated by slight depressions in the 

 mesonotal surface. Metathorax finely rugose with a delicate median keel. 

 Abdomen oval, depressed, the ist and 2nd segments wrinkled or slightly 

 rugose, the segments beyond smooth, shining, and all of nearly an equal 

 length. Wings hyaline, the venation brown ; the recurrent nervure is not 

 interstitial with the ist transverse cubital, and the 2nd branch of the 

 radius is about twice the length of the ist. 



Described from a single specimen. 



(2) Bracon melanaspis n. sp. 



% . — Length ii mm. ; ovip. \ m.m. Black, polished ; mandibles, 

 palpi and legs, except the posterior pair which are entirely black except 

 the apex of the femora, and extreme apex of abdomen, brownish-yellow. 

 The wide lateral membranous portion of ist abdominal segment, pale 

 yellow. The head as in the previous species. Antennae very long 28- 

 jointed. Tegute black. Parapsidal grooves not sharply defined, and 

 fringed with long hairs. The scutellum is also sparsely pubescent. Meta- 

 thorax and pleurae smooth, shining. Abdomen oval, the ist segment 

 with a smooth, black shield, the sides of which are parallel and the disk 



