Good and Bad Bugs in Your Garden Thomas J. Weissling Assistant Professor of Entomology University of Florida Fort Lauderdale Research.

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Presentation transcript:

Good and Bad Bugs in Your Garden Thomas J. Weissling Assistant Professor of Entomology University of Florida Fort Lauderdale Research

More than 1 million species of insects world-wide

Over 13,000 species of insects known from Florida New species appear almost daily due to shipments of plants and other materials into Florida from abroad

Beneficial or not considered to be pests (> 99%) Less than 1% Considered to be pests Of all insect species in the world

Pests can be separated by the type of mouthparts they possess which dictates they type of damage they do. Most common type of mouthpart is chewing. Tear off pieces of tissue and eat it.

Typical damage inflicted on plants by pests with chewing mouthparts

Another common type of mouthpart is piercing/sucking (This is a good bug)

Typical damage inflicted on plants by pests with sucking mouthparts

Some common yard and garden pest with piercing/sucking mouthparts Aphids

Some Things That Eat Aphids (Good Bugs)

Aphid Mummies

Whitefly Adult UF - IFAS

Whitefly Nymphs UF - IFAS

A few good bugs that eat whiteflies

Scale Insects

Armored Scales: Florida Red Scale UF - IFAS

Cycad Scale

Soft Scale: Green Scale UF - IFAS

Soft Scales: Hemispherical Scale

Scale predators and parasites

Mealybugs UF - IFAS

Twospotted Spider Mite UF - IFAS

Spider-Mite Webbing UF - IFAS

Predatory Mite

Chinch Bugs

Some common yard and garden pest with chewing mouthparts

Oleander Caterpillar, Syntomeida epilais

Bagworm

Io Moth Caterpillar UF - IFAS

Saddleback Caterpillar UF - IFAS

Eastern Lubber Grasshopper UF - IFAS Bad Bug…. Very, very bad bug

Palm Leaf Skeletonizer

Garden Slug

White Grubs

Mole Crickets

Mole Cricket Damage

Tropical Sod Webworm

Red Imported Fire Ant Probably the most hated insect in the entire state.

The Queen

Phorid Fly Imported from Brazil

Phorid Fly egg hatches and migrates to and feeds on ants head which leads to….

Spiders Most are beneficial... a few are poisonous

Southern Black Widow UF - IFAS

Red Widow Spider UF - IFAS

Brown Widow Spider UF - IFAS

Author: Tom Weissling, University of Florida Photos: University of Florida University of California Entomology And Nematology Department Copyright University of Florida 2000 For more detailed information see the Featured Creatures WWW site at