NO. 2349. REVISION OF NEARCTIC APANTELE8—MUESEBECK. 493 



67. All coxae testaceous 63. choreuti Viereck. 



Posterior coxae black 64. sancti-vincenti Ashmead. 



68. First abdominal tergite at apex and the second at base as broad as the 



latter is long down the middle; ovipositor sheaths projecting at least one- 

 third the length of the abdomen 69. 



First abdominal tergite at apex and the second at base only about half as 

 broad as the latter is long down the middle ; ovipositor sheaths scarcely 



exserted 



.70. 



69. Dorsum of abdomen beyond the black first tergite mostly reddish or 

 reddish-testaceous; venter of abdomen entirely yellowish; ovipositor 



sheaths honey-yellow to reddish 65. cinctifonnis (Viereck). 



Dorsum of abdomen mostly blackish ; venter of abdomen blackish at apex ; 

 ovipositor sheaths blackish 66. papaipemae, new species. 



70 All coxae stramineous. 



.71. 



Posterior coxae dark brown or black; radius of forewing a little 

 longer than transverse cubitus, and not uniting with it in a sharp 

 angle 67. luteipennis, new species. 



71. Wings hyaline 68. longicornis (Provaucher). 



Wings somewhat yellowish; radius of forewing usually distinctly 



shorter than transverse cubitus, and making a strong angle with 

 it 69. radiatus Ashmead. 



72. All coxae testaceous; first and .second abdominal tergites mostly smooth 



and shining, with only a few weak striulae and punctures at the sides ; 



propodeum indistinctly punctate 70. flavovariatus, new species. 



Posterior coxae dark brown or black 73. 



73. First abdominal tergite broader at apex than second is long, the latter 



much broader at apex than long down the middle ; ovipositor sheaths at 

 lea.st half as long as the abdomen, strongly curved, sickle-like. 



71. momexicanus, new species. 



First abdominal tergite narrower at apex than second is long; the second 



hardly as broad at apex as long; ovipositor sheaths but very slightly 



exserted, straight '<'4. 



74. Posterior femora entirely pale stramineous and somewhat compressed ; 



the third and following abdominal tergites usually castaneous; stigma 

 and veins of forewing very pale brown, the radius slender and longer 



than the transverse cubitus 72. sarrothripae Weed. 



Posterior femora dark reddish-testaceous, usually edged with blackish; 

 abdominal tergites black; stigma and veins of forewing dark brown; 

 the radius no longer, usually shorter, than the transverse cubitus, and 

 joining the latter in a very strong angle 73. alticola (Ashmead). 



75. Posterior femora entirely, and the fore and middle femora mostly, 



black 76. 



Posterior femora mostly, and the fore and middle femora entirely, yellowish 

 to dark testaceous 83. 



76. Stigma large; the metacarpus short, a little shorter than the stigma 81. 



Stigma moderate; the metacarpus at least a little longer than the 



sti^ia '^'^■^ 



77. First and second abdominal tergites smooth and polished, or only indis- 



tinctly punctate ^8. 



First and second abdominal tergites rugulose 79. 



78. Propodeum with a prominent median longitudinal carina; ovipositor 



sheaths half as long as the abdomen 74. ctiellae (Viereck). 



I'ropodeum without a median longitudinal carina, very smooth and shin- 

 ing; ovipositor sheaths not projecting 75. cassianus Riley. 



