72 THE CANADIAN ENTOMOLOGIST. 



rest of abdomen black, the basal half of the second 

 segment very finely shagreened. Antennae 23-jointed, 

 a little longer than the body. ( $ , length, 2.8 mm.). . 

 S. Canadensis, Ashm. 



Head shining, transversely striated ; basal two-thirds of 

 second segment finely shagreened, the rest of abdomen 

 smooth, polished. Antenna? 30-jointed, longer than the 

 body. ( $ , length, 3.5 mm.) „ . .S. pallidus, sp. n. 



Head opaque, minutely transversely rugulose ; the second 

 segment has the basal one-third finely shagreened, then 

 followed by a smooth polished space and again sha- 

 greened, and polished again at apex. Antennae longer 

 than the body, more than 33-jointed (the tips broken 

 off). ( ? , length, 4 mm.) S. brunneus, Ashm. 



Head smooth polished, with scarcely a trace of any trans- 

 verse aciculations ; second segment polished, impunc- 



tured. Antennae 25-jointed. ( $ , length, 3 mm.) 



6". sequoice, Ashm. 



(5) S. claripennis, sp. n. Spathius clavipennis, Ashm., MS. (err. impr.), 



Ins. Life, IV., p. 257. 



g . — Length, 2 mm. Black ; prothorax, mesopectus, petiole and 

 basal half of second abdominal segment, testaceous or yellow ; legs pale, 

 the posterior femora and their tibiae toward apex slightly dusky. Wings 

 hyaline, the stigma and nervures brown. Antennae 23-jointed, fuscous, 

 the basal three or four joints pale yellowish. The head is polished, with 

 some faint transverse aciculations on the vertex. Thorax subopaque, 

 finely granulated or shagreened ; the petiole longitudinally striate. 



Hab. — Morgantown, W. Va. 



Bred April 20, 1892, from Polygraphus rufipennis living under the 

 bark of dead Abies nigra. 



(6) S. unifasciaties, sp. n. ' Spathius unifasciatus, Ashm., MS., Ins. 



Life,. IV., p. 258. 

 9 . — Length, 4 to 4.5 mm. Black ; collar anteriorly dull ferruginous ; 

 apex of petiole and base of second segment reddish piceous ; legs fuscous, 

 anterior and middle coxae and trochanters, posterior trochanters and an- 

 nulus at base of all tibiae, white ; tarsi more or less pallid beneath. 

 Antennae 34-jointed, fuscous, the basal 3 or 4 joints pallid. The 

 head is polished, the vertex faintly transversely aciculated, the frons and 



