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Beneficial InsectsBeneficial Insects
Commonly Found in the Garden and
Landscape
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Assassin Bugs
Assassin bugs prey on aphids, caterpillars, beetles, leafhoppers,and other insects. They
do not like to be handled.
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Big-eyed Bugs
These small insects with big eyes attackspider mites, thrips, aphids and other
insect eggs.
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Damsel Bugs
Damsel bugs resemble assassin bugs.They feed on aphids, leafhoppers,
mites and caterpillars.
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Green Lacewings
Green or brown, the lacewing, or aphid lion,is known to eat as many as 600 aphids.
larvaadult
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Ground Beetles
These beetles arelarge, dark, and sometimes metallic.They feed along the ground on soft-bodiedinsects, especially at night.
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Lady Beetles
Lady beetle adults and larvaeattack aphids, mites, insect
eggs and small insects.
adult larva
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Tiny Parasitic Wasps
Micro- and mini-wasps can sting and lay eggs in caterpillars, aphids
or insect eggs. The larvae consume their prey from within.
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Praying Mantids
Mantids have a goodreputation, but eat
relatively few insectsin the garden.
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Predaceous Stink Bugs
Many stink bugs are pests, but predaceousstink bugs feed on beetles and caterpillars
both as adults and colorful nymphs.
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Predatory Mites
Predatory mites move rapidly to catchand feed on their plant-eating counterparts.
They are often white, tan, or orange.
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Soldier Beetles
Adults resemble firefliesand are attracted to
milkweed,hydrangea, and goldenrod.
They eat aphids, caterpillars,mites, grasshopper eggs, and
small beetles.
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Syrphid Flies
adult larva
The harmless adults resemble bees,but the small larvae consume many
aphids.
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Minute Pirate Bug
These bugs attack thrips, spider mites,aphids and small insects.
larva
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Tachinid Flies
Heavily bristled tachinid flies lay eggs oncaterpillars, beetle larvae, and bugs.
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Wasps & Hornets
Though often considered pests, these insects feed heavily on caterpillars, flies and other
soft-bodied insects.
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Stephen B. Bambara
Extension Entomologist