NO. 2095. 77//; JiRACOMD SUHFAUILY OPII XAE—(!AHAy. 71 



33. Propodeum with a median longitudinl carina; mesopleurae above the crenate 



impression smooth rufocinctus, new species. 



Propodeum without a median carina; mesopleurae above the crenate impression 

 distinctly reticulated apicalis, new species. 



34. Mesopleural impression crenate or foveolate 35. 



Mesopleural impression smooth 43. 



35. Head above, sides of thorax, and propodeum dark castaneous; face yellowish; 



propodeum nearly smooth; antennae 24-jointed in the male type. 



tibialis Ashmead. 



Head differently colored; thorax either wholly black or wholly pale yellow; 



propodeum usually rugose though not always 36. 



36. Uniformly pale yellow species ■ 42. 



Black species, the head and abdomen sometimes marked with yellowish 37, 



37. Head with the face and orbits, at least, yellow 38. 



Head black or with only the lower part of face yellowish 39. 



38. Mandibles fitting close to the clypeus; mesopleural impression only slightly 



ruo'ulose luteiceps Viereck. 



Mandibles and clypeus separated by a distinct opening; mesopleural impression 

 strongly crenate aberrans Viereck. 



39. Length about two and one-half millimeters; propodeum rugose all over; antennae 



29-iointed in the type unifasciatus Ashmead. 



Length about one and one-half millimeters; propodeum not entirely rugose, more 

 or less shining, and indistinctly sculptured or smooth 40. 



40. Second abscissa of radius more than twice as long as the fii*st transverse cubitus; 



propodeum smooth; first terglte nearly smooth and dark red or piceus in color; 



second tergite piceus ynontanus Ashmead. 



Second abscissa of radius distinctly less than twice as long as the first transverse 



cubitus; propodeum not wholly smooth 41. 



il. First tergite granularly sculptured and pale yellow; second tergite also pale 



vellowish • dimidiatus Ashmead. 



First tergite not granularly sculptured, black; second tergite blackish. 



tantillus Ashmead . 



42. Face practically smooth; recurrent nervure interstitial; antennae in the female 



type 29-iointed interstitialis Ashmead. 



Face rugulose; recurrent nerviu-e joining the lower angle of the second cubital cell; 

 antennae in the female type 24-jointed insularis Ashmead . 



43. Maiidibles with a distinct notch or tooth on the ventral margin near the base; 



radial cell short and broad, terminating much before the extreme wing-apex. 



ehrhomi, new species. 



Mandibles without a tooth or notch on the ventral margin; radial cell terminating 



only a little above the extreme wing-apex 44. 



44. Color testaceous or stramineous 45. 



Color black ^^ • 



45 Propodeum poUshed, smooth commodus, new species. 



Propodeum opaque, rugose diastatae Ashmead. 



4() Propodeum and first tergite smooth; mesopleural impression absent or nearly so; 



legs fuscous, their coxae blackish bmneipes Gahan. 



Propodeum rugulose laterally and posteriorly; mesopleiu-al impression present 



but smooth; legs including coxae pale .aridis Gahan. 



47 Face granularly rugulose; malar space distinctly longer than the width of a man- 

 dible at base saimni Ashmead. 



Face not granularly rugulose; malar space not distinctly longer than the base 

 of mandible 



