CONTENTS. 
Page. 
Introduction 5 
List of primary parasites 7 
A . Hymenoptera 7 
B. Diptera 7 
List of hyperparasites 7 
List of probable parasites 8 
List of scavengers 8 
Pinipla inquisitor 8 
Pinqda aimulipes 18 
Pi in pin eonquisitor 18 
Amorphota orgyiae 20 
Meteorue communis 21 
Metcorus hyphantriae 22 
Linmeria valida 23 
Linmeriasp 23 
Theronia fulvescens 21 
Apantcles dclicatus 21 
Apanteles hyphantriae 21 
Chnlcis ovata 25 
Ptci omalus cuproideus 28 
Cratotechus orgyiae 28 
Ophion bilineatum 30 
Ichneumon subcyaneus , 30 
Ichneumon cceruleus 30 
Teleuonms egg parasites reared from other species of Orgyia 30 
Telenomus californicus 30 
Telenomus orgyiae 30 
Hemiteles townsendi 31 
Bathythrixmeteori 31 
Bathy thrix pimplae 31 
Adiastola americana 32 
Otacustes peiiliti 32 
Allocota thyridopterigis ". 32 
Pc/ omachus insolitus 33 
Spilochalcis del >ilis 33 
I T abrocytus thyridopterigis 31 
Dibrachys boucheanus 35 
Syntomosphyrum esurus ' 38 
Eupelmus limneriae 39 
Eln chistus caccecia? 39 
Elasmus atratus 40 
Asecodes albitarsis 40 
Frontina aletiaa 41 
Frontina frenchii 42 
Taehina mella 42 
3 
