THE CANADIAN ENTOMOLOGIST. 



with a slight elevation. Wings greyish-hyaline, due to the pubescence, 

 venation brown, the ist branch of the radius more than half as long as 

 the 2nd, the recurrent nervure not interstitial with the ist transverse 

 cubital. 



Described from one specimen. 



(3) Bracon nigridorsuni n. sp, 



$ . — Length 35 mm. ; ovip. \ mm. Black, polished ; mandibles, 

 palpi, legs, including coxae, and the abdomen, except the disk of ist, 2nd, 

 3rd, 4th and 5th segments, which are black, wholly pale brownish-yellow. 

 Tegulae honey-yellow. Antennae 35-jointed. Parapsides distinct. Meta- 

 thorax and mesopleurse smooth, polished, the latter with a single fovea 

 near the posterior suture. Metapleurae very hairy. Abdomen long oval, 

 the shield of the ist segment trapezoidal, finely rugose, rounded off at 

 apex and between it and the lateral margins of the segment are two long 

 channels ; the 2nd segment is slightly shagreened at base. Wings hyaUne, 

 strongly iridescent, the venation brown ; the 2nd branch of the radius is 

 twice the length of the ist, the recurrent nervure not interstitial. 



SPATHIUS NEES. 



(4) Spathius Canadensis n. sp. 



% . — Length 2* mm.; ovip. i| mm. Reddish-brown, the dorsum of thorax 

 blackish or dark fuscous, the abdomen, except the long petiole and the 

 base of the 2nd segment, black. The antennae are honey-yellow, very 

 long, multiarticulate, the posterior femora and tibise slightly fuscous. 

 Head perfectly smooth, polished ; the thorax delicately shagreened, the 

 parapsidal grooves very distinct, deep ; the metathorax with 3 or 4 delicate 

 longitudinal carinae. Wings fuscous, the base and tips hyaline and with 

 a white or hyaline band across the middle, including the basal half of the 

 stigma. 



Described from one specimen. The species comes nearest to Z. 

 Laflammei Pro v., but is readily separated from it and other species by 

 its smaller size, perfectly smooth head and by the brevity of the ovipositor. 



CiENOPHANES FORSTER. 



(5) CcBnophanes borealis n. sp. 



? . — Length 35 mm.; ovip. \ mm. Very elongate, black, finely rugose; 

 the quadrate head is smooth, but with delicate transverse aciculations on 



