Ichncumonidous Group Tryplionidcs schizodonti. 427 



(29). 

 (28). 



(27). 24. 



(41). 32. 



Vertex of head more or less 



emarginate. 

 Scutellum only partly pale ; 



hind tibiae usually black 



with base white. 

 Meso-humeral marks, and usu- 

 ally the epistomal, wanting. 

 Metathorax not apically red . 

 Metathorax apically red . . 

 Meso-humeral marks, and the 



epistoma always pale . . 

 Scutellum entirely pale ; hind 



tibia? red with apex black 

 Vertex of head not emarginate ; 



scutellum laterally pale . . 

 Areolet present or abdomen 



broadly fulvous. 

 Abdomen with no segment 



entirely red ; hind tibiae 



usually white. 

 Petiolar carina? distinct and 



usually elongate ; tibiae not 



mainly white. 

 Hind tibia? basally white. 

 Petiolar carina? parallel . . . 

 Petiolar carina? divergent 



(?ENIZEMUM, Forst.) . . . 



Hind tibia' not white-marked. 



Clypeus not apically excised ; 

 scutellum black; areolet weak. 



Anterior coxa? and hind tarsi 

 black 



Anterior coxa? and hind tarsi 

 pale 



Clypeus apically excised ; scu- 

 tellum pale ; areolet strong . 



Petiolar carinas short or wan ting; 

 hind tibiae usually mainly 

 white (1 homotropus, Forst.) 



Scutellum not entirely pale, nor 

 the second segment strongly 

 elongate. 



Scutellum of normal size and 

 convexity. 



11. biguttatus, Grav. 



12. abdominator, Bridg. 



13. flavulineatus, Gr 



14. tarsatorius, Panz. 



15. Jissorius, Grav. 



16. ornatus, Grav. 



17. deplanatus, Grav. 



18. brevicornis, Thorns. 



19. niijer, Mori. 



20. sundevallL Holmur. 



