﻿gramma here. It is a very effective enemy of its proper host, 

 for though I bred scores of the parasites from the leaf-hopper 

 eggs sent here from CaUfornia, not one single leaf-hopper 

 emerged, and Mr. Koebele had just the same experience in that 

 State. 



SYSTEMATIC ACCOUNT. 



New species and genera of Hymenoptera here described. 



DRVINIDAE. 



Apterodryimis gen. nov. 



torvus sp. nov. 

 Chalcogonatopiis Perk. 



leptias sp. nov. 



paraleptias sp. nov. 



euprepes sp. nov. 



euprcpoides sp. nov. 



argyrias sp. nov. 



rapax sp. nov. 



frcquens sp. nov. 



solitaritts sp. nov. 



echo sp. nov. 



herbarum sp. nov. 



xestoccphalns sp. nov. 



unicus sp. nov. 



simulator sp. nov. 



koebelei sp. nov. 



pcrdcbilis sp. nov. 

 Eucaiiiptoiiyx gen. nov. 



testaccns sp. nov. 

 Agonatopns gen. nov. 



pallidicornis sp. nov. 



var. diibiosiis var. nov, 



ferrugineus sp. nov. 



picesccns sp. nov. 



innitidus sp. nov. 



hcterothorax sp. nov. 

 Agonatopoides gen. nov. 



synchromiis sp. nov. 

 Ncogonatopns Perk. 



Pseudogonatopns Perk. 



arisoiiicus sp. nov. 



aufoxeiiobiiis sp. nov. 

 Neodryiniis Perk. 



arisonicus sp. nov. 



dnbiosns sp. nov. 

 Paradryin us Perk. 



luexicauus sp. nov. 

 Hesperodryinus gen. nov. 



auiphiscepae sp. nov. 



aricouicus sp. nov. 



audax sp. nov. 

 Perodryinus gen. nov. 



ainoenus sp. nov. 

 Eukoebeleia Perk. 



ariconiea sp. nov. 

 Deinodryiiiiis gen. nov. 



paradoxus sp. nov. 



quercicola sp. nov. 

 C/ielogyuus Hal. 



hisus sp. nov. 



fuiiesfus sp. nov. 



luelauacrms sp. nov. 

 Auteon Jur. 



arizonensis sp. nov. 

 Aphelopus Daliii. 



ar iconic us sp. nov. 



2'iditus sp. nov. 



puchcrrimus sp. nov. 



microleueus sp. nov. 



