444 DESCRIPTIONS OF ICHNEUMONID.E ASHMtiAD. 



CHORINAEUS Holmgren. 

 Chorinaeus flavifrons sp. riov. 



Female.— Length, 7 mm . Black, polished, sparsely punctate, the ab- 

 domen more densely punctured, the punctures coarser, and covered 

 with a whitish pubescence. Face and mandibles yellow-ferruginous ; 

 palpi yellowish-white; scutellum with lateral keels, the postscutellum 

 bifurcated; metathorax with six longitudinal carinas, spiracles long- 

 oval. Legs, including coxre, yellowish-red. Abdomen a little longer 

 than head and thorax together, rather coarsely punctured ; the first 

 segment with four longitudinal keels its entire length, and between the 

 two middle keels are two slight channels; the second segment has 

 three keels its entire length ; the third with a slight middle keel near 

 its base. Wings hyaline ; stigma and veins brown, the second recur- 

 rent nervure bent at the middle. 



Habitat. — Wisconsin. 



Described from one specimen. 



This species is nearest to G. eariniger Walsh, but is readily separated 

 from it by the number of keels on metathorax and abdomeu. 



Subfamily P1MPLIN.E. 



COLEOCENTRUS Gravenborst. 

 Coleocentrus texanus sp. nov. 



Female. — Length, ll"" 11 ; ovipositor, 2 l mm . This species varies from 

 a yellow-ferruginous to rufo ferruginous ; it is polished, the head and 

 thorax with a few scattered punctures. The tlagellum is black or 

 brown-black, sometimes pale beneath, joints 8 to 10, inclusive, white, 

 the three basal joints very long; scape and pedicel always ferruginous. 

 Tips of mandibles black. Parapsidal grooves strougiy, deeply im- 

 pressed. Metathorax a little longer than high, slopiug off posteriorly, 

 rugulose and areolated ; just behind the postseutellum is a small quad- 

 rate area and on each si ie of it a large semicircular area inclosing the 

 spiracles; the central middle area poorly defined. Legs slender, the 

 hind pair very much longer than the anterior pair; the anterior tarsi 

 are twice as long as the tibiae, the first joint alone being as long as the 

 tibias; terminal tarsal joints, claws and tips of joints 2 and 3 of pos- 

 terior tarsi, black. Wings fusco-hyaline; stigma and veins browu, a 

 yellow spot between the stigma and parastigma ; the submedian cell is 

 shorter than the median; the areolet narrowed, the second recurrent 

 nervure joining it towards the apex. 



Habitat. — Texas and Columbia, S. C. 



Described from two specimens. One specimen is in the Belfrage col- 

 lection and is the paler one ; the other was received from Prof. G. F. 

 Atkinson from South Carolina, and although much darker in color is 

 structurallv identical. 



