AKT. 14 ICHNEUMON-FLIES OF GENUS POLYCYRTUS CUSHMAN 11 



hind femur, rather unusually slender. Abdomen with rather dense 

 long hair toward apex ; postpetiole hardly twice as broad as petiole ; 

 second tergite distinctly shorter than first, more than three times as 

 long as basal width ; sheath a half longer than first tergite. 



Head, pronotum, mesoscutum, basal portion of lateral area of 

 scutellum, humeral angles of mesopleurum, and tegulae basally black; 

 clypeus reddish at top of elevation; mandibles, palpi, and antennal 

 annulus (flagellar joints 3-11) white; scutellar carinae white; thorax 

 otherwise and abdomen pale reddish testaceous; legs to knees testa- 

 ceous, beyond yellowish, hind tarsi whitish ; wings yellowish hyaline, 

 veins dark, stigma stramineous. 



6. POLYCYRTUS (CRYPTANURIDIMORPHA) BUSCKI. new species 



Very distinct in its entirely red thorax and abdomen from any 

 other species of the subgenus and also in having the hypostomal 

 carinae less highly developed though of the same form. 



Female. — Length, 12 mm. 



Head structurally about as in capitator (Fabricius) Brulle except 

 that the hypostomal carinae are approximate (not quite meeting) for 

 only a short distance basally. Thorax as in capitator except that the 

 lateral lobes of the mesoscutum are slightly flattened, scutellum not 

 quite so high, propodeal carina bent slightly forward medially, 

 apophyses somewhat more prominent, postnervulus broken at middle. 

 Abdomen slightly stouter than in capitator^ postpetiole practically 

 twice as broad as petiole, second tergite barely thrice as long as broad 

 at base, much less conspicuously hairy at apex. 



Head black with face, frontal and superior orbits, small spot in 

 posterior orbits, malar space, clypeus, mandibles, palpi, frontal horn, 

 and antennal annulus (middle of flagellar joints 4r-ll) white; thorax, 

 abdomen, and legs ferruginous, tibiae yellowish, hind tarsi white; 

 wings pale yellowish hyaline, veins dark, stigma largely stramineous. 



Male. — Essentially like female; postorbital spot larger, scape 

 partly white below, annulus on flagellar joints 7 (apical half) to 15; 

 apophyses shorter and slightly nearer apex then to carina. 



Type-locality. — Trinidad Rio, Panama. 



Type.— C2it. No. 42175, U.S.N.M. 



Two of each sex, all collected by August Busck, the type March 

 30, 1912, the allotype May 9, 1911, and the paratype male January 2, 

 1912, all at the type-locality, the paratype female at Porto Bello, 

 Panama, March 13, 1911. 



The paratype female is smaller than the type, has the face medially 

 brownish, lacks the postorbital white spot, and has the annulus occu- 

 pying the whole of joints -^10 and base of 11; it lacks the front 

 wings. 



