Common Names of Insects Affecting Ornamental Plants and the ...
Common Names of Insects Affecting Ornamental Plants and the ...
Common Names of Insects Affecting Ornamental Plants and the ...
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Arborvitae weevil 150 260<br />
Birch leafminer 190 290 530 700<br />
Clover mite 192 298<br />
Forest tent caterpillar 192 363<br />
Honey locust pod gall midge 192 299<br />
Imported willow leaf beetle 192 448<br />
Larch sawfly 192 299<br />
<strong>Common</strong> <strong>Names</strong> <strong>of</strong> insect <strong>and</strong> growing degree days (GDD) affecting<br />
ornamental plants.<br />
If more than one range <strong>of</strong> numbers appears, this is indicative <strong>of</strong> multiple<br />
generations <strong>and</strong>/or control periods in an insect’s life cycle<br />
<strong>Common</strong> name <strong>of</strong> insect Growing Degree Days<br />
Linden looper 192 363<br />
Min Max Min 2 Max 2 Min 3 Max 3<br />
Native holly leafminer 192 298 1029 1266<br />
Privet thrips 192 298 1029 1266<br />
Rhododendron borer 192 298 533 707<br />
Rhododendron gall midge 192 363<br />
Tussock moths 192 298 2145 2516<br />
Lace bugs (Corythuca spp) 239 363 1266 1544<br />
American plum borer 245 440<br />
Arborvitae leaf miners 245 360 533 700 1700 2100<br />
Boxwood mite 245 600<br />
Holly leafminer 246 448<br />
Lilac leafminer 246 363 1388 1644<br />
Pine sawflies 246 1388<br />
Boxwood psyllid 290 440<br />
Cherry <strong>and</strong> hawthorn leafminer 295 610<br />
Locust leafminer 298 533 1029 1388<br />
Pine erio 298 533<br />
Pine needle scale 298 448 1388 1917<br />
Pitch twig moth 298 707<br />
Privet rust mite 298 802 1266 1515
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