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Photo of a spotted fishing spider perched on the water's surface amid floating duckweed plants

Aquatic Spiders

Dolomedes spp., Tetragnatha spp., and others

Citrus flatid planthopper on twig

Citrus Flatid Planthopper

Metcalfa pruinosa

Monkey Face Mussel

Freshwater Mussels

Bivalve molluscs in order Unionoida

image of Fiery Searcher on dead leaves

Ground Beetles

About 2,400 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

photo of a leafcutter bee

Leafcutter Bees

Megachile spp.

Red milkweed beetle eating a common milkweed leaf.

Longhorned Beetles (Borers; Sawyer Beetles)

About 1,000 species in North America north of Mexico

Photo of a sowbug (left) and pillbug (right).

Pillbugs and Sowbugs (Land Isopods)

Land-dwelling members of the crustacean order Isopoda

Photo of a firebrat, a type of silverfish

Silverfish (Firebrat)

Lepisma saccharina, Thermobia domestica, and other species

Photo of a water boatman

Water Boatmen

About 125 species in North America in the family Corixidae