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Home > Pest Problem Solver Guide > Tree & Orchard Pests


Tree & Orchard Pests

Identify the pests you can find damaging fruit trees and orchards, including apple trees, citrus and berries.


Aphids
Aphids

Soft-bodied insects that use their piercing sucking mouthparts to feed on plant sap.

Apple Maggots
Apple Maggots

Infest apples, plums, pears, apricots, hawthorns and crabapples.

Bark Lice
Bark Lice

Large populations may produce a great amount of silk webbing on a tree, but no damage is done.

Beet Armyworm
Beet Armyworm

Damage is often characterized by skeletonization and profuse silk webbing.

Black Scale
Black Scale

Scale are small parasitic insects that feed on plant juices.

Cane Borer - Red-Necked
Cane Borer - Red-Necked

These pest usually affects rasberry and blackberry plants.

Canker Worms
Canker Worms

Both fall and spring cankerworms feed on a wide variety of trees including fruit trees.

Cherry Fruit Fly
Cherry Fruit Fly

The maggots feed on cherry flesh near the pit often causing malformed fruits.

Cherry Fruitworm
Cherry Fruitworm

Feeding results in shallow, scabby, depressed areas at harvest.

Click Beetle
Click Beetle

These pests eat the roots of numerous plant species and young trees.

Codling Moth
Codling Moth

Known as an apple and pear pest throughout the world.

Cutworm
Cutworm

Cutworms feed on fruit trees and many other plants including garden vegetables and field crops.

European Apple Sawfly
European Apple Sawfly

The larva pupates in the spring and adults emerge during the pink stage of apples.

European Corn Borer
European Corn Borer

The European corn borer is known to feed on 250 different kinds of plants, especially sweet corn.

Fall Webworm
Fall Webworm

Trees commonly attacked include more than 100 species of deciduous forest, shade and fruit trees.

Flying Aphids
Flying Aphids

Large numbers of aphids on plants can cause wilting from removal of sap and the spreading of plant viruses.

Fruit Flies
Fruit Flies

Attracted to ripened or rotting fruits and vegetables and are most common in the late summer and fall.

Fruit Worm
Fruit Worm

Green fruitworms attack apple, cherry, plum, pear, apricot and strawberries.

Fungus Gnats
Fungus Gnats

Symptoms of fungus gnat infestation are sudden wilting, poor growth, yellowing, and foliage loss.

Greater Peach Tree Borer
Greater Peach Tree Borer

The adult greater peach tree borers are moths that look more like wasps than moths.

Gypsy Moth
Gypsy Moth

Gypsy moth larvae can devour up to one square foot of leaves a day.

Hickory Shuckworm
Hickory Shuckworm

They emerge in early June and attack until pecans are harvested.

Lesser Peach Tree Borer
Lesser Peach Tree Borer

It differs from the peachtree borer in that the moths emerge over a long time during the summer.

Navel Orangeworm
Navel Orangeworm

A major pest of sound almond, walnut, macadamia, and pistachio nuts after hull split.

Brown Almond Mite

Symptoms of infestation include: mottling and browning of leaves and flowers that do not open.

Grasshoppers
Grasshoppers

Some species occur in very large numbers and cause serious crop damage and loss of plants in pastures.

June Bugs
June Bugs

The larvae (grubs) feed in the soil on plant roots and often damage grass lawns.

Lace Bugs
Lace Bugs

Pests primarily of ornamental trees and shrubs, although several species infest a few vegetables.

Leafminer
Leafminer

Many insects can be leafminers, including some flies, beetles, moths, and wasps.

Leafroller
Leafroller

Young larvae feed on flat leaves, but older larvae fold the leaves in half and hold them together with webbing.

May Bugs
May Bugs

Also known as May beetles, June bugs and June beetles.

Midges
Midges

The two main types of midges are generally divided into biting midges and non-biting midges.

Oleander Scale
Oleander Scale

Can be controlled by natural enemies and does not usually cause economic damage.

Omnivorous Leafroller
Omnivorous Leafroller

Adult moths emerge in May or June to lay eggs in orchards on leaves and fruit.

Oriental Fruit Moth
Oriental Fruit Moth

Larvae typically enter fruit from the stem end and cause the fruit to rot.

Peachtree Borer
Peachtree Borer

Symptoms of peachtree borer infestation include oozing gum at the base of the tree and yellowing of the tree.

Peach Twig Borer
Peach Twig Borer

Larvae emerge in early spring, migrate up twigs and branches and attack newly emerged leaves and shoots.

Pecan Nut Casebearer
Pecan Nut Casebearer

The larvae feed inside of one nut in a cluster, and then the others until all of the cluster are hollowed out.

Pecan Weevil
Pecan Weevil

The larvae feed in the nut for about 35 days, destroying the kernels.

Red Banded Leafroller
Red Banded Leafroller

The red banded leafroller feeds on apple, cherry, plum, peach, grape, vegetable crops and ornamentals.

Sap Beetle
Sap Beetle

Sap beetles are small beetles that feed on the sap from tree wounds, damaged and decaying fruits and vegetables.

Spider Mite
Spider Mite

This common plant pest is closely related to spiders, daddy longlegs and ticks.

Two-Spotted Spider Mite
Two-Spotted Spider Mite

They are known to feed on more than 180 different plant species- both indoor and outdoor.



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