1/4 to 1/2 inch

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Marbled orbweaver spider in web

Angulate and Roundshouldered Orbweavers

Araneus spp.

image of Assassin Bug crawling on a leaf

Assassin Bugs

Nearly 200 species in North America north of Mexico

Venomous

Photo of a Harvestman, viewed from above

Daddy Longlegs (Harvestmen)

About 6,500 species have been named so far, worldwide.

A metallic green sweat bee gathering pollen on a yellow flowerhead

Halictid Bees (Sweat Bees)

More than 500 species in North America north of Mexico

image of an Ichneumon Wasp on tree trunk

Ichneumon Wasps

More than 5,000 species in North America

Seven-spotted lady beetle on a flower

Lady Beetles (Ladybird Beetles; Ladybugs)

Nearly 500 species in North America north of Mexico

Swamp milkweed leaf beetle on a leaf it has chewed on.

Leaf Beetles

About 2,000 species in North America

image of a Leafhopper on leaf

Leafhoppers

More than 3,000 species in North America north of Mexico

Red milkweed beetle eating a common milkweed leaf.

Longhorned Beetles (Borers; Sawyer Beetles)

About 1,000 species in North America north of Mexico

Marbled orbweaver spider in web

Marbled Orbweaver

Araneus marmoreus

Narceus Millipede crawling across gravel

Millipedes

More than 900 species in North America north of Mexico

Acanaloniid planthopper, green, viewed from side

Planthoppers

More than 900 species in North America north of Mexico

Male eastern Hercules beetle walking in grass

Scarab Beetles

About 1,700 species in North America north of Mexico

image of a Spittlebug and nest on plant stem

Spittlebugs and Froghoppers

About 60 species in North America north of Mexico

Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background

Spotted Orbweavers

Neoscona spp.

American dog tick crawling on a person's skin

Ticks

Three common Missouri species

Cryptorhynchus weevil viewed from side

Weevils (Snout Beetles; Bark Beetles)

About 2,500 species in North America north of Mexico