ART. 14 ICHNEUMON-FLrlES OF GENUS POLYOYRTUS CUSHMAK 31 



of middle, punctate above; inaiar space a little longer than basal 

 width of mandible, slightly constricted, mouth barely as broad as 

 narrowest width of face, cheeks slightly convex ; temples in side view 

 broad, occipital carina weakly convergent above with posterior mar- 

 gin of eye, not prominent below but terminating some distance from 

 hypostomal carina, latter moderately high; temples from above 

 nearly flat, oblique, about a third as long as short diameter of eye; 

 diameter of an ocellus about two-thirds as long as ocell-ocular line. 

 Thorax polished ; pronotum striate along posterior margin, the striae 

 reaching into the scrobe in middle, anteriar lateral carina moderately 

 high, epomia strong, angulating the anterior end of the swollen 

 humeral margin; prescutum moderately high, lateral lobes with 

 weak longitudinal sulcus ; scutellum rather low ; mesopleural furrow 

 finely foveolate, prepectal furrov\^ foveolate only above, subalar 

 tubercle not carinate; metapleurum with a few small punctures; 

 propodeum with a narrow basal area defined laterally by carinae, 

 transverse carina narrowly arched forward medially, spiracle large, 

 elongate ovate, apophyses leather short stout conical, much nearer to 

 carina than to apex; hind femur distinctly less than twice as thick 

 in middle as at apex; inner calcarium hardly two-fifths as long as 

 basitarsus; areolet large, recurrent and nervulus antefurcal; post- 

 nervulus broken just above middle, nervellus at lower third. Ab- 

 domen broad, second tergite hardly two and a half times as long as 

 broad, much shorter than first; sheath distinctly longer than hind 

 tibia. 



Head black and white; face, clypeus, except apical margin, orbits, 

 temples, cheeks, spot at base of mandible, maxillary palpi, labial 

 palpi basally, annulus embracing flagellar joints 6-11 and apical half 

 of 5, white; prothorax, mesonotum, and metanotum black, pro- 

 pleura, anterior-lateral and humeral margins of pronotum, two lines 

 on disk of mesoscutum, apex of scutellum and the carinae, apex of 

 postscutellum, white; thorax otherwise and propodeum largely fer- 

 ruginous; upper margin of mesopleurum black; subalar tubercle, 

 upper division of metapleurum partly, and apices of apophyses 

 white; median stripe on propodeum and a small spot at upper edge 

 of spiracle piceous black ; legs ferruginous, hind tibia yellowish, tar- 

 sus whitish ; wings yellowish hyaline, venation brown, stigma paler, 

 tegulae white; abdomen black and white, the tergites broadly white 

 apically and laterally, the second wtih a transverse subtriangular 

 white spot medially near base. 



Male. — Essentially like female. Annulus on flagellar joints 8-16. 

 Type-locality. — Rio Trinidad, Panama. 

 Type.— C?it. No. 42194, U.S.N.M. 



Two specimens, both collected by August Busck, the type female 

 on March 20 and the allotype on March 30, 1912. 



