ART. 23 NEW AMERICAN ICHNEUMON-FLIES CUSHMAN 5 



that the following new species has not been described appears to have 

 been overlooked. This is the more strange considering that it is 

 apparently the only species referable to the genus to be found in the 

 Atlantic States at'least so far north. 



POLYCYRTUS NEGLECTUS, new species 



Female. — Length, 11.5 mm.; antennae, 9 mm. 



Head polished with a few coarse punctures on face and in ocellar 

 space; temples sharply convexly sloping; ocell-occipital line nearly 

 twice as long as diameter of an ocellus; frontal horn stout, nearly as 

 thick at base as long; malar space finely shagreened; three-fourths 

 as long as basal width of mandible; head not constricted below eyes, 

 extended angle ^ of cheeks in front view slightly less than a right 

 angle; eyes very slightly convergent below. Thorax polished; 

 pronotum with scrobes obliquely striate; mesoscutum anteriorly, 

 pleurum below, and sternum sparsely and coarsely punctate, pleu- 

 rum with a small obliquely rugose area behind upper end of prepectal 

 carina; metapleurum more densely punctate, vertically rugose 

 posteriorly; propodeum polished, sparsely punctate medially and 

 laterally, longitudinally rugose near apex; apophyses about as long 

 as thickness of petiole; areolet rather large, about two-thirds as wide 

 as long, recurrent near apex; nervulus antefurcal. Abdomen shing- 

 ing, more or less distinctly and very finely shagreened; first tergite 

 polished, postpetiole gibbous above with a deep dimplelike fovea on 

 each side above spiracle; ovipositor sheath as long as first two ter- 

 gites. 



Black and flavous or whitish, thorax laterally and ventrally tinged 

 with testaceous; head pale except the occiput and a broad band ex- 

 tending from occiput over vertex to base of antennae, broadened on 

 upper temples, apices of clypeus and mandibles, articulations of 

 latter, and a short narrow line between antennae; antennae black with 

 a white annulus embracing flagellar joints 6-9 and part of 5, 10, and 

 1 1 ; palpi white basally, testaceous apically. Thorax dorsally black 

 with the following pale markings: Anterior margin and humeral 

 welts of pronotum, two elongate marks on disk of mesoscutum, 

 tegulae, scutellar carinae, and apices of scutellum and postscutellum 

 with lines along the sutures to bases of wings; laterally and ventrally 

 pale testaceous to stramineous, black above and below subalar tuber- 

 cle, and with small brownish spots in mesopleural fovea and near 

 apex of mesopleurum; propodeum with three longitudinal black 

 stripes, the lateral ones beginning with and encircling the spiracles 

 and extending along pleural carinae nearly to apex, the median one 

 extending from a narrow basal black band to apex and abruptly 

 broadened along the basal carina ; legs pale testaceous to stramineous, 



' The angle formed by lines having the same direction as the cheeks in relation to each other. 



