Fie. 11. 
ILLUSTRATIONS. 
Map showing various localities in Europe from which parasite material 
EV ERE! Meet wae ee © aoe A A ode S23 ww Se eds ee 
mma pyasciaius: AGnit female... .2............---2.-2-2------ 
en cmce@meiiryes: WierineGgae- 255... 2. 222 le nie ee - 
. Anastatus bifasciatus: Hibernating larva......-..--..-..--.--.---.-- 
. Anastatus bifasciatus: Pupa from gipsy-moth egg...-...............- 
. Diagram showing two years’ dispersion of Anastatus bifasciatus from 
STATES SEEPS gS Ba ge Oe ee SE ee 
Eee Remy Nelle femiane! 5 2 kee ee oe ee a be SE 
OE ESS SEN? 2o8 9 0 RES Bk ne ee ree oe a ee a 
. Schedius kuvane: Third-stage larva still retaining attachment to egg 
pee ene A IIR Pe Sn tt Oe ee ie ones Soe 
SunCi Css TE RMMNEBAITECE Te GVA Sten eer oie oe Ss ns + yg ae ee 
. Schedius kuvane: Egg stalk and anal shield of larva as found in host 
eggs of gipsy moth from which the adult Schedius has emerged, or in 
which the Schedius larva has been attacked by a secondary parasite. 
. Schedius knvane: Larval mandibles .~_._-...-..-------2---.--- ee 
i Tyedamideisineys: Larvabmandibles._-. 2s ....22.-.--..----------- 
pack CPi TeieT Pasig rides ee Aare eee os SS ak oS ain oe ee ee 
. Pachyneuron gifuensis: Larval mandibles..........---......-......- 
. Anustaius tafasmatus: Larval mandibles. ----... 2... .-....-.2. 22.2.8. 
. Gipsy-moth egg mass showing exit holes of Schedius kuvanxy ......... 
. Apantales solitarius: Adult female and cocoon ..........-..-.......-. 
enunerrncininiete. © OGUNS 2 SS. 2} i S- o 2 SR Sk 
aon bernie Meperte  UIG WIBICS esc SS SE Lt oe 
reerinnieienar, MOMIh ore Seca se ates fe he ne es 2 Scie a Sows 
. Apanteles fulvipes: Larve leaving gipsy-moth caterpillar............. 
. Apanteles fulvipes: Cocoons surrounding dead gipsy-moth caterpillar. 
. Apanteles fulvipes: Cocoons from which Apanteles and its secondaries 
RESTS a Op ap Sia ope, a eg je a a 
 Piepheariga-scuteltiant: Adult female: .---.2. 2... 0-2... 5255s 
. Blepharipa scutellata: Eggsin situ on fragment of eed tee ea ets 
. Eggs of Blepharipa scutellata and Pales pavida............--...------ 
. Blepharipa scutellata: First-stage larvee.............-..----.....--.-- 
. Blepharipa scutellata: Second-stage larva in situ. .........--....----- 
. Blepharipa scutellata: Basal portion of tracheal ‘‘funnel”............- 
. Compsilura concinnata: Adult female and details..............22.... 
. Map showing distribution of Compsilura concinnata in Massachusetts - 
. Tachina larvarum: Adult female and head in profile................. 
Oh NESS TE | SIGS inc ge gn gale et 2 eo 
. Chalcis flavipes, female: Hind femur and tibia, showing markings... 
46. 
. Chalcis flavipes: Full-grown larva from gipsy-moth pupa -..........-- 
Petes Eeviee OP UE, RIGO VIEW. <a -.... 0.22. - 2 onc ce sees ae 
Smee JIRUOTINES AUD VOLTS VWIOW. 225.25 nk Saws Seek ne 
. Gipsy-moth pupz, showing exit holes of Chalcis flavipes. .......-.-.--- 
pemonodaniamerns serene. OOult jemele ..<..........-.<.2<......--..- 
SS Dy a a a ae 
ae Pg Ce er 
. Monodontomerus xreus: Pupa, side view .....................------ 
. Monodontomerus xreus: Pupa, ventral view._...................--- 
. Gipsy-moth pupa showing exit hole left by Monodontomerus xreus. --- 
. Trichogramma sp. in act of oviposition in an egg of the brown-tail moth. 
Chalcis obscurata, female: Hind femur and tibia, showing markings . . 
