CONTENTS 
Page 
. . 5 
Introductory Note ... . 
Insects Injurious 1o Apple and Pear 
Attacking the Fruit 
Codling Moth, Carnocapsa nomonella Linn. 5 
Fruit-tree Leaf Roller, Archips argyrospila Walk . 8 
Green Fruit Worm, Xylina Sp. 8 
Plum Curculio, Conotrachelus nenuphar Herbst. 8 
Apple Curculio, Anthonomus quadrigibbus Say. 8 
San Jose Scale, Aspidiotus perniciosus Comst . 10 
Howard Scale, Aspidiotus howardi Ckll. 11 
Attacking the Foliage 
Fruit-tree Leaf Roller, Archips argyrospila Walk. 11 
Tent Caterpillar, Malacosoma fragilis Stretch. 13 
Fall Webworm, Hyphantria cunea Druer. 14 
Apple Flea Beetle, Haltica Sp. 14 
Apple Leaf FTonper, Empoasca mali Le Baron. 15 
Green Apple Aphis, Aphis pomi Fabr. 15 
Rosy Apple Aphis, Aphis sorbi Kalt. 16 
Grasshoppers . 16 
Brown Mite, Bryobia pratensis Garman. 17 
Red Spider, Tetranychus biamculatus Harvey. 18 
Pear Slug, Eriocampoides limasina Peck. 20 
Pear Slug, Eriocampoides limacina Peck.. 20 
Pear Vagabond or Rust Mite, Epitrimerus pyri Nalepa. 20 
Attacking Bark and Wood 
San Jose Scale, Aspidiotus perniciosus Comst. 21 
Putnam Scale, Aspidiotus ancylus Putnam. 22 
Howard Scale, Aspidiotus howardi Ckll. 22 
Oyster-shell Scale, Lepidosaphes ulmi Bousche. 23 
Scurvy Scale, Chionaspis furfurus Fitch. 23 
Woolly Aphis,Schizoneura lanigera Hausm. 23 
Flat-headed Apple Tree Borer, Chrysobothris femorata Fabr. 24 
Grasshoppers . 24 
Insects Injurious to the Peach, Plum, Prune, Apricot and Cherry. 
Attacking the Fruit. 
Peach Twig Borer, Anarsia lineatella Zell. 24 
Plum Gouger, Coccotorus prunicida Walsh. 26 
'Plum Curculio. Conotrachelus nenuphar Herbst. 26 
Green Peach Aphis, Myzus persicae Sulzer. 27 
Tarnish Plant Bug, Lygus pratensis Linn. 27 
Scale Insects. 27 
Attacking the Foliage. 
Green Peach Aphis, Myzus persicae Sulzer. 27 
Black Peach Aphis, Aphis persicae niger Smith. 28 
Green Plum and Prune Aphis,Phorodon humuli Schrank. 28 
Cherry and Pear Slug, Eriocampoides limacina Peck. 28 
Fruit-Tree Leaf Roller, Archips argyrospila Walk. 28 
Brown Mite and Red Spider. 28 
Attacking the Bark and Wood 
Shot-Hole Borers. 29 
Scale Insects. 29 
Peach-Tree Borer, Sanninoidea exitiosa Say.. 29 
Insects Injurious to the Currant and Gooseberry, 
Attacking the Fruit 
Currant and Gooseberry Fi'uit-Worm, Zopbodia grossularia Packard. 31 
Fruit Maggot, Epochra canadensis Loew. 31 
Attacking the Foliage 
Native Saw Fly, Gymnonychus appendiculatus Hartig.... 33 
Imported or European Saw Fly, Pteronus ribesii Scapoli . 33 
Currant Plant Louse, Myzus ribis Linn. 33 
Brown Mite and Red Spider . 33 
Attacking Bark and Wood 
Currant Borer, Sesia tipuliformis Clark. 34 
Scale Insects. 34 
Insects Injurious to the Strawberry 
Leaf Roller, Ancylus comptana Frolich.. 34 
Strawberry Crown Borer, Tyloderma fragariae Riley. 35 
Red Spider.. •. 25 
