CONTENTS 



PAGE 



Round-Headed Apple-Tree Borer (Saperda Candida Fab.) 4 



Flat-Headed Apple-Tree Borer (Chrysobothris fcmorata Fab.) 7 



Shot-Borer (Xyleborus disp.ar) 8 



Oyster-Shell Scale (Lepidosaphes ulmi) 9 



San Jose Scale (Aspidiotus perniciosus) 10 



European Fruit-Tree Scale (Aspidiotus ostreaeformis) 12 



Scurfy Scale (Chionaspis furfura Fitch) 12 



European Fruit Lecanium (Lecanium comi Bouche) 12 



Woolly Aphid of the Apple. (Schisoneura lanigera Hausmann) 13 



Green Apple Aphid (Aphis pomi De G.) 20 



Rosy Apple Aphid (Aphis sorbi Kaltenbach) 20 



Lime-Tree Span-Worm (Erannis tiliaria Harris) 22 



Spring Canker-Worm (Paleacrita vernata) 22 



Fall Canker-Worm (AJsophila pomctaria) 23 



Cecropia Moth (Samia c ectopia) 25 



Yellow-Necked Caterpillar (Datana ministra) 26 



Red-Humped Caterpillar (Oedemasia concinna) ■ 27 



Mottled Fruit Caterpillar (Crocigrapha normani) 28 



Green Fruit-Worms. (Xylina antennata Walker, X. laticincrca 



Grote, X. grotci Riley) 29 



Saddled Prominent. (Hctcrocampa guttivitta Walker) 30 



Apple-Leaf Bucculatrix (Bucculatrix pomifoliclla) •. t> 2 



White-Marked Tussock Moth (Hemerocampa leucostigma) 23 



Antique Tussock Moth (Notolophus antiqua) ^^ 



Forest Tent Caterpillar (Malacosoma disstria) 35 



Brown-Tail Moth (Euproctis chrysorrhaea) 26 



Gypsy Moth (Porthctria dispar) , 41 



Hickory Tiger Moth (Halisidota caryae) 42 



Spotted Tiger Moth (Halisidota maculata) 42 



Velleda Lappet Moth ( Tolype vclleda) 44 



Rose-Chafer (Macrodactylus subspinosus Fab.) 44 



Fall Web Worm. (Hyphantria cunea) 47 



Orchard Tent Caterpillar (Malacosoma amcricana) 48 



Bud Moth (Tmctoccra occllana) 50 



Leaf Sewer (Ancylis uubeculana) 51 



The Cigar Case-Bearer (Colcophora flctcherella) 52 



Leaf Blister Mite (Eriophycs pyri) 53 



Lesser Apple Worm (Enarmonia prunivora) 55 



The Codling Moth (Carpocapsa pomonclla L.) 55 



Apple Maggot or Railroad Worm (Rhagoletis pomonclla) 57 



Plum Curculio (Conotrachclus nenuphar) 60 



Tarnished Plant-Bug. (Lygus pratensis) 62 



Beneficial Insects 65 



General Treatment for Apple Orchards 67 



6 



