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Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...

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Aphid Biology<br />

Alternate hosts<br />

Woody overw<strong>in</strong>ter<strong>in</strong>g<br />

host<br />

Aphid eggs<br />

on tree limbs<br />

Woody or<br />

herbaceous<br />

summer host<br />

Only females,<br />

bear young live<br />

Cont<strong>in</strong>ual, overlapp<strong>in</strong>g<br />

generations<br />

Mostly a spr<strong>in</strong>g pest<br />

Fruit tree aphids<br />

plum, peach, rosy apple,<br />

cherry<br />

Spirea<br />

Dogwood<br />

Woolly elm<br />

Woolly alder<br />

Honeysuckle<br />

Rose<br />

Woolly Maple<br />

Poplar<br />

Ash<br />

Cottonwood

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