1919] Brves — The Genus Liohracon 69 



1. Wings fuscous or black 3 



Wings flavous, marked with black 2 



2. Wings with two black bands geniculafus BruUe 



Apical half of wing black partitus Enderlein 



3. Stigma black 3 



Stigma yellow; legs red and black ; scutellumbifoveate at base .4 



4. Pronotum and propleura smooth; thorax and middle of hind 



femora red; scutellum bifoveate at base. . . .cressonii D. T. 



Pronotum and most of propleura rugose-reticulate; thorax and 



legs entirely black; scutellum with a crenate furrow at 



base manni sp. nov. 



5. Antennal flagellum black; second suture of abdomen weakly 



crenulate macula BruUe 



Antennal flagellum dark red; second suture smooth 



nificornis Cam. 



Liobracon manni sp. nov. 



9 . Length 9 mm. Ovipositor nearly as long as the abdomen* 

 Black, including the wings entirely; abdomen bright red; body 

 clothed with long and very sparse white hairs. Head as thick as 

 broad, distinctly, but not strongly margined behind; eyes prominent, 

 temples broad, widened behind the eyes. Front impressed, the 

 depression extending around the ocellar tubercle, with a median 

 carina between and just above the antennae, but without punctures. 

 Head above smooth and shining; face rugose-reticulate at the sides, 

 rugose below, with an elongate median smooth tubercle. Malar 

 space half the height of the eye, without furrow; head behind with 

 a few very fine punctures. Antennae as long as the body; scape 

 twice as long as thick, not noticeably swollen; flagellar joints all 

 nearly three times as long as thick, first not noticeably longer than 

 the second, following three or four scarcely decreasing in length. 

 Pronotvmi rugose-reticulate with a transverse groove at the extreme 

 posterior margin. Mesonotum smooth and polished except for a 

 few coarse punctures medially behind; parapsidal furrows smooth, 

 very deep, the median lobe strongly elevated anteriorly with its 

 surface rising vertically behind the prothorax. Scutellum smooth, 

 flat, at the base with a broad furrow composed of eight elongate 

 foveae. Propodeum covered with scattered round impressions; these 

 are well-separated, of about equal size, each somewhat smaller than 



