252 PROCEEDINGS OF THE KATIOXAL MUSEUM vol.84 



fully four times as long as thick and twice as long as second; 

 ej'es longer than width of face, slightly convergent; temples 

 rather broad and strongly convex, but much shorter than 

 short diameter of eye; ferruginous, the female with fasciate 

 wings (male unknown) ; ovipositor straight, sheath three- 

 fourths as long as first segment 19. callipterus, new species 



Mandibles, clypeus, and antennae of different conformation; 



differing also by some or all of the other characters above 20 



20. Thorax, especially the pleura, very coarsely and densely 



punctate; mesopleurum slightly concave below and meeting 

 the weakly convex sternum in a distinct rounded edge; 

 propodeum sloping from near base, reticulate rugose and with 

 a distinct median groove or a longitudinally rugose area; 

 occipital carina not reaching hypostomal carina (ovipositor 

 sheath not or barely half as long as first tergite; large, slender 

 species with head and thorax black, abdomen and sometimes 



mesoscutum ferruginous) 21 



Thorax more finely and usually less densely punctate; meso- 

 pleurum and mesosternum less definitely separated; propo- 

 deum more strongly rounde d and usually less coarsely sculp- 

 tured; occipital carina reaching hypostomal carina 23 



21. Mesoscutum largely or entirely ferruginous 22 



Mesoscutum black 22. concavus, new species 



22. Hind coxa partly and femur and abdomen entirely ferruginous. 



20. crassisculptus, new species 

 Hind coxa entirely and femur except base black; abdomen 



usually more or less black apically 21. rugosus, new^ name 



23. Scutellum more or less distinctly flattened on top, distinctly 



margined laterally at least toward base, apeK precipitous (in 

 doubtful cases agreeing with all the following characters) ; 

 eyes large, at least as long as greatest wddth of face, conver- 

 gent below; clypeus weakly separated from face and weakly 

 divided transversely, long with more or less distinct apical 

 emargination and usually with a short median groove; malar 

 space much more than half as long as basal width of mandible; 

 propodeum with distinct trace of apical carina medially; 

 ovipositor straight, sheath not or barely as long as first tergite; 

 black with abdomen concolorous or ferruginous, head and 



thorax sometimes with metallic reflections 24 



Scutellum not flattened above and not margined; differing also 



by some of or all the other characters above 31 



24. Hypostomal carina very high and thin and flanked by a deep 



concavity, lower extremity of occipital carina distant from 



base of mandible more than width of latter 25 



Hypostomal carina normal, lower extremity of occipital carina 



closer to base of mandible 27 



25. Hind femur red; hypostomal carina exceedingly high and 



strongly arched outward 26 



Hind femur black; hypostomal carina lower and less strongly 



arched 25. abdominalis Cresson 



26. Wings subhyaline 23. matricus Provancher 



Wings deeply infumate 24. infumatricus, new species 



27. Abdomen black 28 



Abdomen red (head and thorax with metaUic reflections) 30 



