CONTENTS 
PAGE 
Some Important Insects of Illinois Shade Trees and Shrubs 1 
The Catalpa Sphinx, Ceratomia caialpo' Bdv 2 
The Fall Web-worm, Hyphantria textor, Harris 4 
The Yellow Poplar-Caterpillar, Apatela populi Riley 6 
The Walnut Caterpillar, Datana integerrima G. & R 8 
The White-marked Tussock-moth, Hemerocampa leucostigma S. & A 10 
The Brown-tail and Gypsy Moths, Euproctis chrysorrhcea Linn, and Por- 
thetria dispar Linn 14 
The Forest Tent Caterpillar, Malacosoma disstria Hbn 21 
The Common Canker-worm or Spring Canker-worm, Paleacrita vernata 
Peck 23 
The Lilac Borer, Podosesia syringce Harris 27 
Two Poplar Borers, Memythrus tricinctus Harris and M. dollii Neum 31 
A Viburnum Borer, Sesia pietipes G. & R 34 
The Maple Borer, Sesia acerni Clem 35 
The Ninebark Borer, Sesia scitula Harris 37 
The Bag-worm, Thyridopteryx ephemerceforinis Harris 38 
The Poplar and Willow Borer, Cryptorhynchus lapathi Linn 40 
The Dogwood Twig-girdler, Oberea tripunctata Swederus 44 
The Locust Borer, Cyllene rohinice Forst 48 
The Oak Twig-pruner, Elaphidion villosum Fabr. 50 
The Bronze Birch-borer, Agrilus anxius Gory 53 
The Scurfy Scale, Chion^tspis furfura Fitch 55 
The Oyster-shell Scale, Lepidosaphes ulmi linn 57 
The San Jose Scale, Aspidiotus perniciosus Comst 58 
Putnam's Scale, Aspidiotus ancylus Putnam 61 
The Walnut or Willow Scale, Aspidiotus juglans-regice Comst 61 
The Cottony Maple Scale, Pulvinaria vitis Linn 62 
Miscellaneous Economic Insects 68 
The Heart-wood Borer, Parandra brunnca Fabr 68 
Anomala binotata Gyll 73 
The Green Fruit-worms, Tceniocampa and Xylina 75 
Toeniocampa alia Guen 78 
Xylina antennata Walk 80 
Tabulation of known differences between species 82 
The Apple Flea-weevil, Orchestes canus Horn 83 
The Strawberry Leaf-roller, Ancylis comptana Frol 86 
The Strawberry Crown-girdler, Otiorhynchtis ovatus Linn 90 
The Blackberry Leaf-roller, Exartema permundanum Clem 94 
Black Gnats in Cucumber Houses, Sciara sp 95 
On the More Important Insects of the Truck-farm and Vegetable Garden .... 99 
General Farm Methods for the Control of Insects 100 
Asparagus 102 
The Common Asparagus-beetle, Crioceris asparagi Linn 103 
Cabbage and Cauliflower 104 
The Imported Cabbage-worm, Pontia rapw Linn 104 
The Variegated Cutworm, Peridroma niargaritosa Haw 107 
The Cabbage Root-maggot, Phorbia brassicce Bouche 108 
The Cabbage Plant-louse, Aphis brassicce Linn Ill 
The Cabbage Flea-beetle, Phyllotreta vittatata Fabr 113 
