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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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SOUTHWESTERN FOREST REGION<br />

<strong>1965</strong><br />

INTRODUCTION<br />

Page<br />

STATUS OF INSECTS (Regional)<br />

European Pine Sawfly<br />

European Pine Shoot Moth<br />

Larch Sawfly<br />

White-pine Shoot Borer<br />

Neodiprion sertifer (Geoff.) B 1<br />

Rhyacionia buoliana (Schiff.) B 3<br />

Pristiphora erichsonii (Htg,) B 4<br />

Eucosma gloriola Heinr. B 6<br />

STATUS OF TREE DISEASES (Regional)<br />

Eastern Dwarf Mistletoe<br />

Armillaria Root Rot<br />

Dutch Elm <strong>Disease</strong>.<br />

White Pine Blister Rust<br />

Cytospora Canker of Spruce<br />

Cytospora Canker of Poplar<br />

Black Knot of Cherry<br />

Chestnut Blight<br />

Fomes Root Rot<br />

Root <strong>and</strong> Butt Rot of Conifers<br />

Deterioration of Roadside Maple<br />

Injury Due to Changing Water Levels.<br />

Frost Injury<br />

Leaf Scorch<br />

Other Noteworthy <strong>Disease</strong>s<br />

Arceuthobium pusillum B 7<br />

Armillaria mellea (Fr.) Kummer. B 7<br />

Ceratocystis ulmi (Buism) B 8<br />

C. Moreau<br />

Cronartium ribicola J. C. Fischer B 9<br />

Cytospora kunzei Sacc. B 9<br />

Cytospora nivea Hoffm. ex Sacc. B 9<br />

Dibotryon morbosum (Schw.) B 10<br />

Theiss, & Syd.<br />

Endothia parasitica (Murr.) B 10<br />

P. J. & H. W. Anderson<br />

Fomes annosus (Fr.) Cke. B 10<br />

Polyporus tomentosus Fr. B 10<br />

B 11 .<br />

B 12<br />

B 12<br />

B 12<br />

B 12<br />

STATUS OF INSECTS (District)

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