eastern spruce gall

Listing 1 - 10 from 28 for eastern spruce gall

Eastern Spruce Gall Adelgid
... Eastern Spruce Gall Adelgid Michigan State University Extension Ornamental Plants plus Version 3.0 - 00001756 11/12/99 Eastern Spruce Gall Adelgid The insect overwinters as a female. The female lays eggs near the base of ... causing it to enlarge (Vis. 1) and surround the insects. The insects remain in the gall (Vis. 2) until it opens up in mid- to late-summer. The insects emerge and ...
web1.msue.msu.edu

Ohioline: Yard and Garden: Trees, Shrubs & Groundcovers
... -2048-05 (pdf) Emerald Ash Borer Diagnostic Check-Off List, HYG-2049-05 (pdf) Eastern Spruce Gall Adelgid, HYG-2050-95 Insecticide Options for Protecting Ash Trees from Emerald Ash ... Aphid, HYG-2208 Japanese Beetle, HYG-2504 Eastern Spruce Gall Adelgid, HYG-2550 Cooley Spruce Gall Adelgid on Douglas-Fir, HYG-2551 Cooley Spruce Gall Adelgid On Colorado Blue Spruce, HYG-2552 Pine Needle Scale, HYG ...
ohioline.osu.edu

Ornamental Plants plus Version 3.0 - E
... Eastern Cottonwood EASTERN PINE SHOOT BORER Pinus Insect Problems Pseudotsuga Insect Problems EASTERN RED CEDAR Juniperus virginiana--Eastern Red Cedar EASTERN SPRUCE GALL ADELGID Picea Insect Problems Eastern Spruce Gall Adelgid EASTERN TENT CATERPILLAR Hamamelis Insect Problems Eastern Tent Caterpillar EASTERN ...
web1.msue.msu.edu

Ornamental Plants plus Version 3.0 - G
... GALL WASPS Gall Wasps GALLS Acer Insect Problems Achillea Disease Problems Quercus Insect Problems Crown Gall Black Knot of Stone Fruits Symptoms Caused By Insects Gall Wasps Gall Midges Adelgids Maple Bladder Gall Mite Oak Galls Eastern Spruce Gall ...
web1.msue.msu.edu

Ornamental Plants plus Version 3.0 - I
... Soil Bronze Birch Borer Birch Leaf Miner Cooley's Spruce Gall Adelgid Black Vine Weevil Taxus Mealybug Maple Bladder Gall Mite Crimson Erineum Mite Rose Chafer Arborvitae Leaf Miner ... Beetle Iris Borer Pine Needle Scale European Pine Sawfly Eastern Spruce Gall Adelgid Pine Bark Adelgid Spruce Needle Miner Gypsy Moth Cankerworm Fall Webworm Eastern Tent Caterpillar Maple Petiole Borer Cottony Maple ...
web1.msue.msu.edu

PICEA INSECT PROBLEMS
... Two adelgids commonly attack spruce. Eastern spruce gall adelgid forms pineapple like galls (Vis. 2) at the base of twigs. Galls caused by Cooley's spruce gall adelgid look like miniature ... stressed trees are more susceptible to attack. . Related information. Pesticide Recommendations Eastern Spruce Gall Cooley's Spruce Gall Spruce Needle Miner Spider Mites Go To Top of File        Michigan State ...
web1.msue.msu.edu

Spruce
... gall-forming insects commonly attack Spruce. Eastern Spruce gall adelgid forms pineapple like galls at the base of twigs. Galls caused by Cooley's Spruce gall adelgid look like miniature cones at the branch tips. The gall ...
www.bonsai-bci.com

Picea rubens Sarg
... spruce. Two species of sawflies, the European spruce sawfly, Diprion hercyniae, and the native yellowheaded spruce sawfly, Pikonema alaskensis, have severely defoliated red spruce in localized areas (22). The eastern spruce gall ...
www.na.fs.fed.us

Pine and Spruce Insects
... spruce, galls are evident. On the fir, there is no gall but severe infestation does cause yellow spots to appear on the needles. Eastern spruce gall adelgids (Adelges abietis) attacks mainly Norway spruce ...
www.urbanext.uiuc.edu

PSEUDOTSUGA INSECT PROBLEMS
... the top of the tree. Control by hand-picking the bags in winter. Cooley Spruce Gall Adelgid alternates between spruce and Douglas-fir. On Douglas-fir, the insect cause the needle to bend ... affected needles will display yellow spots. Look for the round, fuzzy insects on the needles. Eastern Pine Shoot Borer caterpillars bore through the center of shoots. The weakened shoots droop, curl ...
web1.msue.msu.edu