NOTES AND DESCRIPTIONS OF NORTH AMERICAN 

 PARASITIC HYMENOPTERA. VIII. 



By Charles T. BruES. 



FAMILY BETHYLID^E. 



Laelius fumipennis sp. nov. 



Female. Length 2.5 mm. Black; legs, except coxae, and base of 

 antennae honey-yellow. Head as wide as long, semicircularly narrowed 

 behind the eyes. Antennae 13-jointed, about twice as long as the head ; 

 black, the first two joints honey yellow and the third brownish at the 

 base. Pedicel abont one-half longer than the first flagellar joint; second 

 flagellar joint longer than the first, following growing slightly shorter, 

 nearly quadrate ; apical joint acute. Head above shagreened. with a 

 few coarse punctures intermixed. Ocelli in a small equilateral triangle 

 on the vertex. Eyes oval, removed by two-thirds of their length from 

 the base of the mandibles. Mandibles apparently 4-toothed. Maxillary 

 palpi 5-jointed ; labials 3-jointed. Underside of head shining, punctu- 

 late. Thorax shining, faintly pnnctulate ; pronotum very slightly longer 

 than the mesonotum and scutellum tog-ether ; these of about equal 

 length, the scutellum with a transverse, slightly arcnate impressed line 

 across the base ; mesonotum without furrows. Superior face of meta- 

 notum as long as the pronotum and mesonotum combined, with three 

 complete longitudinal discal carina?, the median one of which continues 

 down the posterior slope ; between these carina? and the lateral raised 

 margin is another carina which extends only to the middle of the 

 superior face. Entire metathorax finely transversely rugulose between 

 the carina?. Propleura with a round foveate depression just above the 

 coxa: mesoplenra pnnctulate. with a similar small fovea centrally and 

 with a slightly impressed oblique line along its posterior edge ; meta- 

 pleura with a similar, more nearly vertical impressed line near the 

 base, its surface pnnctulate. Abdomen as long as the thorax, smooth 

 and shining ; second segment as long as the following taken together. 

 Legs stout, the femora thickened ; the tibiae fringed with hairs, but not 



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