n 
INDEX 
Page. 
Hypodermia bovis. 60 
Hypodermia tarandi. 60 
hypophyllum. 21 
I 
Illinois, Acrididae of. 73 
Illinois, List of Species. 92 
Injuries by Grasshoppers. 133 
Insects, Classification of. 60 
Insects and Other Parasites Affecting Do¬ 
mestic Animals . 57 
isabella. 53 
K 
Key to Families of Orthoptera. 82 
Key to sub Families and Groups. 83 
Key to sub-Families and Genera. 83 
Key to Illinois Species of Acrididae. 87 
la 
Lance Rustic. 
lateral carina. 
lateral foevola... 
Letter of Transmittal. 
limbipenella. 
Life History of Locust. 
lineata. 
List of Illinois Species of Acrididae 
Liver Fluke. 
Locustidae.. 
Locusts, Life History of . 
lumbricoides. 
141 
75 
52 
131 
101 
92 
67 
75 
131 
70 
M 
maculipennis.'. 102 
Mamestra. Painted.. 51 
Manual of Economic Entomology. 71 
maratima. 113 
marginalis . 32 
median carina. 75 
median foevola . 77 
Melophagus ovinus. 63 
Mermiria bivittata . 97 
Mestrobregma cincta. 113 
mesothorax. 77 
metathorax. 77 
• metallica. 50 
Microgaster glomeratus. 20 
Microgaster militaris. 20 
militaris. . 20 
minutipennis. 119 
monuste. 32 
Murgantia histrionica. 7 
N 
napi. . 36 
neglectus.114 
nervules. 80 
nitelia. 142 
nietanus. 108 
North American Species of Pieris. 26 
North American Plusia, List of. 44 
novanglae. 32 
O 
Oak Leaf Tortrix. 
occiput. 
ocelli . 
occidentalis. 
Oedipnda aequalis 
Oedipoda collaris. 
142 
77 
77 
34 
109 
110 
Oedipoda Carolina. 
Oedipoda belfragii . 
Oedipoda rugosa. 
CEstridae... ... 
Oestrus ovis. 
oleracea. 
Orthoptera, Key to Families of 
ou.. 
ovinus. 
ovipositor. 
ovis. 
oxygramma. 
Page. 
. Ill 
. Ill 
. 115 
. 60 
. 60 
....26, 29 
. 82 
. 48 
. 63 
. 80 
.... 60, 66 
. 49 
P 
Painted Mamestra. 51 
pallida. 29 
Parasites on Pieris rapae. 17 
pellucida. 118 
Peoroptes equi. 64 
Pezotf ttix unicolor. 118 
Pezotettix minutipennis. 119 
Pezotettix viola.120 
Pezotettix scudderi. 121 
phileta. 33 
phoenicopterus. 117 
picta. 51 
Pieris, North American Species cf. 26 
j Pieris, North American List of. ... : . 27, 29 
| Pieris rapae .2, 8, 19, 20, 24, 31 
, Pieris protodice.7, 10, 25, 33 
I Pieris oleracea.26, 29 
i Pieris pallida . 29 
Pieris castoria. 30 
Pieris casta. 30 
Pieris vernalis. 33 
Pieris fritrida. 30 
Pieris hulda. 30 
Pieris borealis . 30 
Pieris virgmiensis . . 31, 34 
Pieris yreka. 31 
Pieris novanglae. 32 
Pieris venosa . 32 
Pieris marginalis. 32 
Pieris monuste. 32 
Pieris phileta. 33 
Pieris beckerii. 33 
Pieris occidentalis. 34 
Pieris sisymbrii. .".. 34 
Pieris brassicae.19, 35 
Pieris napi. 36 
Pionea rimosalis.2, 37 
plicata. 70 
Plusias, North American List of. 44 
Plusia brassicae . 40 
Plusia sramma.41, 44 
Plusia aerea. ? . 45 
Plusia balluca. 45 
Plusia aereoides. 45 
Plusia contexta. 46 
Plusia biloba. 46 
Plusia dyaus. 47 
Plusia precationis. 47 
Plusia verruca. 48 
Plusia ou . 48 
Plusia simplex. 48 
Plusia oxygramma. 49 
Plusia putnami. 49 
Plusia metallica. 50 
Plusia bimaculata. 50 
Plutella cruciferarum. 52 
Plutella limbipenella. 52 
porrectella . 54 
Potatoe Beetle. 4 
Pot Herb Butterfly. 26 
proscopinae. 30 
prosternum. 79 
pronotum . 77 
prothorax. 77 
protodice.7, 10, 25, 33 
precationis. 47 
Psoroptes equi. 66 
