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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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B28<br />

TABLE 20 (continued)<br />

<strong>Insect</strong><br />

Recurvaria florae Free.<br />

Rhyacionia adana Heinr.<br />

Rhyacionia busckana Heinr.<br />

Saperda moesta Lec.<br />

Schizura concinna J. E. Smith<br />

Sternochetus lapathi (L.)<br />

Taniva albolineana Kft.<br />

Trisetacus grosmanni Keifer<br />

Zeiraphera ratzeburgiana. Ratz.<br />

Zelleria haimbachi Busck.<br />

Host(s)<br />

rP<br />

rP<br />

jP<br />

tA<br />

tA, Ap<br />

bPo, tA<br />

Blue<br />

spruce<br />

bF<br />

wS<br />

jP<br />

Remarks<br />

New heavy infestations in flowers.<br />

Life history of this insect unknown<br />

but will be studied in<br />

1966.<br />

Heavy shoot damage recurred in<br />

Nottawasaga Township,<br />

Mined shoots common in the<br />

district.<br />

Heavy infestations recurred in<br />

stems of young trees in Vivian<br />

<strong>Forest</strong>.<br />

Widely scattered colonies.<br />

High populations in stems or<br />

young trees in Uxbridge <strong>and</strong> Essa<br />

townships.<br />

Heavy infestations on ornamental<br />

trees along Highway 400 recurred.<br />

Infested buds numerous at a point<br />

in Medonte Township.<br />

A. heavy infestation declined to<br />

medium at a point in Medonte<br />

Township.<br />

Heavy infestations declined to<br />

light intensity in 1966.

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