NATURAL SCIENCES OF PHILADELPHIA. 117 



22. Ichneumon Parredes. 



Ichneumon Parredes^ Cress., Trans. Am. Ent. Soc, ii. p. 4, J. 



Orizaba. 



23. Ichneumon tepanecus. 



Ichneumon tepanecus^ Cress., Trans. Am. Ent. Soc, ii. p. 5, 9- 



Orizaba ; Cordova. (Sumichrast, No. 55.) 



24. Ichneumon subspinosus. 



Ichneumon subspinosus. Cress., Trans. Am. Ent. Soc, ii. p. 17. 



Orizaba ; Cordova. (Sumichrast, No. 90.) This may be tiie 

 % oi tepanecus. 



25. Ichneumon actuosus, n. sp. 



S . Closely resembles suhapinosus., but differs, as follows : 

 While the scutellum and postscutellum proper are yellow, as 

 usual, the lateral region is entirelj' black, and not margined pos- 

 teriorly with 3'e.llow ; the metathorax has no lateral black stripe 

 only a central one, the extreme lateral margin is broadly black, 

 and the spines are much shorter ; posterior femora and tibife dark 

 fulvous, the former darker and fuscous above ; their tibiae yellow ; 

 apex of abdomen tinged with fulvous. Length 5 lines. 



Orizaba. (Sumichrast, No. 89.) 



26. Ichneumon Nestor. 



Ichneumon Nestor, Cress., Trans. Am. Ent. Soc, ii. p. 13, J. 



Cordova. 



27. Ichneumon Toros. 



Ichneumon Toros, Cress., Trans. Am. Ent. Soc, ii. p. 14, 9- 



Cordova. (Sumichrast, No. 26.) 



28. Ichneumon famelicus. 



Ichneumon fmnelicus. Cress., Trans. Am. Ent. Soc, ii. p. 14, %. 



Cordova. (Sumichrast, No. 25.) 



29. Ichneumon tenebricus. 



Ichneumon teneiricus. Cress., Trans. Am. Ent. Soc, ii. p. 15, % 9- 



Orizaba; Cordova; Mirador. (Sumichrast, Nos. 62, 91, 92.) 

 Varies in length from 4^ to T lines. A common species. 



30. Ichneumon intentus. 



Ichneumon intentus, Cress., Trans. Am. Ent. Soc, ii. p. 15, % J. 

 Orizaba; Cordova. (Sumichrast, No. 117.) Varies in length 

 from 4^ to 7^ lines. Also common. 



