9. ( 8 ) Forewing with small vein extending in- 

 to membrane (Figs. 1, 2); metathoracic fe- 

 mora rounded 10 



Forewing witliout vein extending into mem- 

 brane (Fig. 3); metathoracic femora 

 flattened Elasmiis 



10. ( 9 ) Vein in forewing membrane thick and 

 prominent (Fig. 1); femur-tibia knee joint 



white Tetrastichus 



Vein in forewing membrane thin ( Fig. 2 ) ; 

 femur-tibia knee joint black or brown 



Pediohius 



11. ( 1 ) Face below antennae between eyes 



partly or completely white or yellow 12 



Face below antennae between eyes complete- 

 ly black or brown 16 



12. ( 11 ) Head, thorax, and abdomen black in 

 part: dorsal abdomen completely black ... .13 

 Head, thorax, and abdomen brown; abdom- 

 inal dorsum yellow or brown Mesochorus 



13. ( 12 I Metathoracic tibia black and white or 

 black and yellow; white or yellow spot pres- 

 ent on thoracic dorsum 14 



Metathoracic tibia nearly uniform in color- 

 ation: white or yellow spot absent on thoracic 

 dorsum 15 



14. ( 13 ) Eye emarginate, and thin white mark- 

 ings along inner margin of eye (Fig. 10); 

 tip of ovipositor of female curved 



downwards Ephialtes 



Eye entire, and white markings on lower half 

 of face ( Fig. 11 ); tip of ovipositor of female 

 straight Aoplus 



15. ( 13 ) Forewing with areolet ( Fig. 4 ); ( male 



insect ) Phaeogenes 



Forewing without areolet (Fig. 5 ); (male or 

 female insect ) Exochus 



16. ( 11 ) Head and thorax black 17 



Head and thorax light or dark brown 24 



17. ( 16 ) Tibiae and tarsa of metathoracic legs 



banded white and brown 18 



Tibiae and tarsa of metathoracic legs not 

 banded 20 



18. ( 17 > Eye entire; abdomen black without 



markings 19 



Eye emarginate (Fig. 12); abdomen black 

 with narrow yellow bands bordering the pos- 

 terior margin of each segment Itoplectis 



19. (18) Forewing with areolet (Fig. 6); an- 

 tennae dark brown -.Scambics 



Forewing without areolet; antennae 



black Glypta 



20. (17) Dorsal abdomen completely black ...21 

 Dorsal abdomen brown or brown and black. .23 



21. ( 20 ) Forewing with areolet; eye emarginate 22 

 Forewing without areolet; eye entire 



Apanteles 



22.' ( 21 ) Femora, tibiae, and tarsa of metathor- 

 acic legs uniform in coloration . . . .Horogenes 

 Femora of metathoracic legs light brown, 

 tibiae and tarsae dark brown . .Coccygomimus 



23. ( 20 ) Antennae brown without markings 



( male or female insect ) Hemiteles 



Antennae brown with several control seg- 

 ments white, (female insect) ... .Phaeogenes 



24. ( 16 ) Wing membranes transparent 25 



Wing membranes pictured with opaque 

 markings Gelis 



25. < 24 ) Antennae as long or longer than length 



of body 26 



Antennae shorter than length of body 



Hormius 



26. ( 25 ) Forewing with large cells only 27 



Forewing with one small cell, similar to 

 areolet ( Fig. 7 ) Meteorus 



27. ( 26 ) Eye entire; abdomen either totally 

 black or brown with one or more yellowish 



segments 28 



Eye with shallow emargination (Fig. 13); 

 abdomen brown Clinocentrus 



28. ( 27 ) Forewing with cells R3 and R* con- 

 fluent ( Fig. 8 ) Eubadizon 



Forewing with cells R3 and R4 separated by 

 cross vein ( Fig. 9 ) Macrocentrus 



