A Guide to Insect, Disease, and Animal Pests of Poplars

Ostry, M.E.; Wilson, L.F.; McNabb, H.S.; Moore, L.M. A Guide to Insect, Disease, and Animal Pests of Poplars. United States Department of Agriculture, Forest Service. Agriculture Handbook 677. January 1989. 118 p.

Contents

Foliar Diseases

• Septoria Leaf Spot

• Leaf Rust

• Septotinia Leaf Blotch

• Phyllosticta Leaf Spot

• Powdery Mildew

• Ink Spot, Shot Hole

• Marssonina Leaf Spot

• Leaf Blister, Catkin Deformity

• Leaf and Shoot Blight

• Leaf and Stem Blight

Viruses and Virus-like Diseases

• Leaf Bronzing of Aspen

Canker Diseases

• Septoria Canker

• Hypoxylon Canker

• Bark Necrosis, Dieback, "Blackstem"

• Miscellaneous Cankers

• Bacterial Canker and Dieback

Root and Butt Rot

• Armillaria root and Butt Rot

Miscellaneous Diseases and Parasites

• Crown Gall

• Wetwood

• Miscellaneous Stem Deformities

• White Trunk Rot

• Mistletoe

Vertebrate Damage

• Vertebrate Damage

Defoliators and Leaf Feeders

• Imported Willow Leaf Beetle

• Satin Moth

• Sarrothripus Moth

• Large Aspen Tortix

• Mourningcloak Butterfly

• Leafminers

• Grasshoppers

• Viceroy Butterfly

• Forest Tent Caterpillar

• Bagworm

• Fall Webworm

• Cottonwood Leaf Beetle

• Variegated Cutworm

• Leafcurl Midge

• Poplar Tentmaker

Boring Insects

• Poplar Borer

• Poplar-and-Willow Borer

• Poplar Root Girdle

• Bronze Poplar Borer

• Cottonwood Twig Borer

• Southern Clearwing Moth

• Poplar Clearwing Moth

• Branch Borers

• Poplar-Gall Saperda

• Cottonwood Borer

• Willow Shoot Sawfly

Sucking Insects

• Poplar Vagabond Aphid

• Meadow Spittlebug

• Tarnished Plant Bug

• Scurfy Scale

• Oystershell Scale

• Miscellaneous Leaf-feeding Aphids

• Spotted Poplar Aphid

• Leafhopper

Miscellaneous Insects and Aphids

• Gall Insects

• Snowy Tree Cricket

• Cicadas

• Cottonwood Leafcurl Mite