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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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sP.)<br />

B48<br />

TABLE 16 (continued)<br />

r=loaatorwan.lasasowsp<br />

<strong>Insect</strong> 0<br />

Wil2.11.10.11113.9.1%.1.621C.<br />

Hos<br />

Remarks<br />

..eapgji■maga.,. /1.1.1.21.TIMICMO<br />

Nymphalis antiopa Linn,<br />

Olethreutidae (prob. Laspeyresia<br />

Orgyia leucostigma J. E. Smith<br />

Paleacrita vernata Peck<br />

Pantographa limata G. & R.<br />

Hacks<br />

wE„ W<br />

soP<br />

S, M9<br />

Sy<br />

Papilio cresphontes Cram. hoptree<br />

Pemphigus populi-transversus Riley Co<br />

Petrova albicapitana Busck.<br />

Pikonema alaskensis (Roh.)<br />

Pineus strobi (Htg.)<br />

Plagiodera versicolora Laich.<br />

Polygonia interrogationis Fabr. wE,<br />

Hack<br />

Ba<br />

jP<br />

wS<br />

wP<br />

Pristiphora geniculata (Htg.) sMo<br />

Profenusa thomsoni (Konow) wB<br />

Proteoteras aesculana Riley siM,' moM<br />

Pulicalvaria piceaella Kft. nS<br />

Schizura concinna A. & Se<br />

via<br />

Scolytus multistriatus Marsh. wEs<br />

w<br />

Moderate on 25-foot white elm near<br />

Aylmer; light at several points;<br />

two extension calls; numbers higher<br />

than three previous summers.<br />

Common in lower stems of Christmas<br />

trees in Newbury area in early June.<br />

Caused severe defoliation of small<br />

numbers of trees in Gosfield North,<br />

Mersea <strong>and</strong> Ekfrid townships. Light<br />

damage at several other locations.<br />

Only one larva; considerable decline<br />

over 1964 populations.<br />

Larval populations caused light to<br />

severe defoliation in clumps of<br />

host trees at several locations in<br />

the district.<br />

Seven larvae on shrub near Rondeau<br />

Park; light at Point Pelee National<br />

Park <strong>and</strong> on Pelee Isl<strong>and</strong>.<br />

Moderate on a few trees on east<br />

side of Pelee Isl<strong>and</strong>,<br />

Over 100 nodules on one tree near<br />

the canal in Niagara Falls.<br />

Remained light in small park in<br />

North Cayuga Twp.; rare in Norfolk<br />

County.<br />

Heavy on a few trees at Bethel Park,<br />

Aldborough Twp.<br />

Heavy defoliation on shrub in Crow<br />

l<strong>and</strong> Twee.<br />

Moderate on solitary trees in Seneca<br />

Twp„ Holiday Beach Provincial Parks,<br />

<strong>and</strong> on Pelee Isl<strong>and</strong>; light elsewhere.<br />

Population increase over other years.<br />

Medium on two trees at McKay <strong>Forest</strong>;<br />

light at Niagara Falls.<br />

Light at Byron Bog.<br />

Tip borers medium to heavy at<br />

Frechette Section , St. Williams Nursery<br />

in mid-June; fruits of mountain<br />

maple at Spooky Hollow infested in<br />

early September.<br />

Moderate at Wainfleet Twp. park.<br />

One colony in Effingham Valley.<br />

Remain high throughout the district;<br />

adults numerous in early June.<br />

Many Chinese elm ornamentals near<br />

Rondeau Park were attacked.

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