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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<strong>Common</strong> <strong>Names</strong> <strong>of</strong> <strong>Insects</strong> <strong>Affecting</strong> <strong>Ornamental</strong> <strong>Plants</strong> <strong>and</strong> <strong>the</strong> Growing<br />
Degree Days (GDD) When They Will Appear.<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 />
Min Max Min 2 Max 2 Min 3 Max 3<br />
Aphids 7 120 135 250<br />
Cottony taxus scale 7 91 802 1388<br />
Elm bark beetles 7 120<br />
Elongate hemlock scale 7 120 2515 2625 360 700<br />
European red mite 7 58 240 810<br />
Golden oak scale 7 121 802 1266<br />
Hemlock eriophyid mite 7 22<br />
Kermes oak scales 7 91 298 912<br />
Nor<strong>the</strong>rn pine weevil 7 192<br />
Oak leaftier 7 35<br />
Oystershell scale 7 91 363 707<br />
Pales weevil 7 121<br />
Sou<strong>the</strong>rn red mite 7 91 246 363 618 802<br />
Spruce spider mite 7 121 192 363 2375 2806<br />
Taxus mealybug 7 91 246 618<br />
White pine aphid 7 121 121 246 1917 2271<br />
White pine weevil 7 58<br />
Tuliptree scale 12 121 2032 2629<br />
Cooley spruce gall adelgid 22 92 1500 1775<br />
Juniper scale 22 148 707 1260<br />
Magnolia scale 22 91 246 448 2155 2800<br />
Pine bark adelgid 22 58 58 618<br />
Spruce bud scale 22 121 912 1388<br />
European pine shoot moth 34 121
Euonymus scale 35 120 533 820<br />
European fruit lecanium 35 145 1266 1645<br />
Fletcher scale 35 148 1029 1388 2515 2800<br />
Hemlock scale 35 121 1388 2154<br />
Balsam twig aphid 58 120<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 />
Honeylucust plant bug 58 246<br />
Min Max Min 2 Max 2 Min 3 Max 3<br />
Maple bladdergall mite 58 148 98 155<br />
Pine tortoise scale 58 148 618 1050<br />
Eastern tent caterpillar 90 190<br />
Gypsy moth 90 448<br />
Hickory leaf stem gall phylloxera 91 246<br />
Pine tube moth 91 246 1151 1514<br />
Balsam gall midge 120 290<br />
Cooley spruce gall adelgid (Fir) 120 190 1500 1775<br />
Nantucket pine tip moth 121 448 1514 1917<br />
Spotted teniform leafminer 121 192 363 533<br />
Woolly elm aphid 121 246<br />
Woolly larch adelgid 121 192<br />
Zimmerman pine moth 121 246 1917 2154<br />
Black vine weevil 148 400<br />
Cankerworms 148 290<br />
Dogwood borer 148 700<br />
Hackberry psylla 148 448<br />
Lilac borer 148 299<br />
Pine spittlebugs 148 298<br />
Snowball aphid 148 298<br />
Taxus bud mite 148 448 707 912
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
Redb<strong>and</strong>ed leafroller 298 618<br />
Rhododendron stem borer 298 802<br />
Satin moth 298 618 1917 2271<br />
Elm casebearer 300 533<br />
Fruittree leafroller 300 618<br />
Elm leaf beetle 363 912<br />
Elm leaf miner 363 530<br />
Larch casebearer 363 618 2375 2805<br />
Periodical cicada 363 618<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 />
Sassafrass weevil 363 618<br />
Twospotted spider mite 363 618<br />
Walnut blister mite 363 707<br />
Min Max Min 2 Max 2 Min 3 Max 3<br />
Willow flea weevil 363 618 707 1029<br />
Woolly beech aphids 363 707<br />
Azalea whitefly 448 700 1250 1500 2032 2150<br />
Boxwood leafminer 448 700<br />
Hemlock looper 448 707<br />
Lace bugs (Stephanitis spp) 448 618 802 1029<br />
Mountain ash sawfly 448 707<br />
Oak skeletonizer 448 707 1798 2155<br />
Pine needle miner 448 802<br />
Rose chafer 448 802<br />
Spruce needle miner 448 802<br />
Azalea leafminer 450 800 1260 1500<br />
Greenstriped mapleworm 533 1645<br />
Oak blotch leafminers 533 912<br />
Rust mites 533 802 1644 2033
Bagworm 600 900<br />
Leafhoppers 618 802 1266 1514 1917 2155<br />
Pine root collar weevil 618 912<br />
White prunicola scale 707 1151<br />
Elm leaf aphid 710 1500<br />
Cottony maple scale 802 1265<br />
Oak spider mite 802 1266<br />
Pine webworm 802 1029 1514 1798<br />
Honey locust mite 912 1514<br />
European elm scale 1029 1388<br />
Japanese beetle 1029 2154<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 />
Walnut caterpillar 1029 1514<br />
Dogwood sawfly 1151 1500<br />
Min Max Min 2 Max 2 Min 3 Max 3<br />
Tuliptree aphid 1151 1514 1917 2033<br />
Birch skeletonizer 1266 1580<br />
Fall webworm 1266 1795<br />
European hornet 1388 2271<br />
Maple trumpet skeletonizer 1388 2032<br />
Twob<strong>and</strong>ed Japanese weevil 1644 2271<br />
Willow twig aphids 1644 2271<br />
Juniper webworm 1645 1917<br />
Sugar maple borer 2032 2375<br />
Locust borer 2271 2805<br />
Poplar <strong>and</strong> willow borer 2271 2806
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