278 HYMENOPTEEA. 



Hab. North America, United States 23 , Indiana 1 . — Mexico, Northern Sonora (Mor- 

 rison). 



This fine large species has been bred from hickory stems infested by the beetle 

 Cerasphorus cinctus, Fabr. 



Subfam. TRYPHONIN^E. 



This division of Ichneumonidae is of comparative rarity in Central America, only 

 three species being known from south of Mexico. In the northern parts of Mexico 

 they will, no doubt, be found to be much more numerously represented. 



METOPIUS. 



Metopius, Panzer, Krit. Eevis. ii. p. 78 ; Cresson, Proc. Acad. Phil. 1873, p. 393. 



A very distinct genus, of wide distribution in the New and Old Worlds, but appa- 

 rently not containing many species. 



1. Metopius femoratus. (Tab. XI. fig. 23.) 



Metopius femoratus, Cresson, Proc. Acad. Phil. 1873, p. 393 ((J) 1 . 

 Hab, Mexico, Orizaba (BilimeJc), Cordova 1 (Sumichrast). 



2. Metopius scutifrons. 



Metopius scutifrons, Cresson, Proc. Acad. Phil. 1873, p. 393 ( <$ ) \ 

 Hob. Mexico, Orizaba l (Sumichrast). 



EXOCHOIDES. 



Exochoides, Cresson, Trans. Am. Ent. Soc. 1868, p. 37. 



This genus is at present only known from Mexico. It differs from Exochus in having 

 the face flat, the legs less robust, and the abdomen subpetiolate. 



1. Exochoides mexicana. 



Ewochoides mexicana, Cresson, Trans. Am. Ent. Soc. 1868, p. 37 (<$) \ 

 Hab. Mexico, Hacienda del Potrero, near Cordova x (Sumichrast). 



2. Exochoides concinna. 



Exochoides concinna, Cresson, Trans. Am. Ent. Soc. 1868, p. 37 (<J) \ 

 Hab. Mexico, Hacienda del Potrero, p<sar Cordova 1 (Sumichrast). 



