Field Guide

Land Invertebrates

Showing 21 - 29 of 29 results
Media
Photo of an adult stonefly on a leaf
Species Types
Scientific Name
Nearly 700 species in North America north of Mexico
Description
Stoneflies have a lot in common with mayflies, caddisflies, dragonflies, and dobsonflies: They begin life as aquatic larvae, then molt and become winged adults. Many fish find stoneflies irresistible, and anglers know it.
Media
Photo of a six-spotted tiger beetle from the side.
Species Types
Scientific Name
Cinindela sexguttata
Description
The six-spotted tiger beetle is probably the most familiar tiger beetle in Missouri. It’s most often seen in spring, as it darts in and out of trails just ahead of hikers.
Media
Pale green assassin bug on a leaf
Species Types
Scientific Name
Zelus luridus
Description
The pale green assassin bug, Zelus luridus, is one of nearly 200 species of assassin bugs in North America. Like other assassin bugs, it is a predator that captures and eats other insects.
Media
Mating pair of common claybank tiger beetles at Smith CA, April 16, 2022
Species Types
Scientific Name
Cicindela limbalis
Description
The common claybank tiger beetle, or green-margined tiger beetle, occurs on dirt clay soils in open areas in spring and, less abundantly, in late summer. Color varies from red to purple to green. The outer shell edges are often edged with shiny green.
Media
Green mantidfly perched on a screen window
Species Types
Scientific Name
About 11 species in North America north of Mexico
Description
Mantidflies look like a cross between a lacewing insect and a praying mantis. They are small, delicate creatures with intricately veined wings, but the front half looks like a mantid, complete with raptorial forelegs.
Media
image of Tumblebug with fecal ball
Species Types
Scientific Name
Canthon spp.
Description
Tumblebugs in genus Canthon are usually seen on, near, and beneath poop. They are sometimes seen rolling dung balls away from the original heap, heads down and pushing the ball backward with their hind legs.
Media
Grapevine beetle walking on a person's hand
Species Types
Scientific Name
About 1,700 species in North America north of Mexico
Description
The scarab beetle family is very large, with breathtaking variety — and often great beauty. Many scarabs are large and colorful.
Media
Common true katydid female on a leaf
Species Types
Scientific Name
About 250 species in North America north of Mexico
Description
Katydids are a family of insects that may also be called longhorned grasshoppers, because of their super-long antennae. Many resemble green leaves. Others are brown. Members of some species may be bright pink or yellow.
Media
Common meadow katydid female viewed from the side
Species Types
Scientific Name
Orchelimum vulgare
Description
The common meadow katydid is aptly named: it is well-known and widespread in the eastern United States. Listen for its distinctive call — like a pulsating circular lawn sprinkler ratcheting around — in midsummer to the first hard frost.
See Also
Media
Photo of a Yellow-Collared Scape Moth
Species Types
Scientific Name
Cisseps fulvicollis
Description
The yellow-collared scape moth is more often “orange-collared.” And whether you think it looks more like a firefly or a wasp, it’s still a moth!
Media
image of Plume Moth on blade of grass
Species Types
Scientific Name
Nearly 150 species in North America north of Mexico
Description
Slim, delicate plume moths are instantly recognizable by their T-shaped silhouette, long legs, and muted shades of tan and brown. It can be hard to separate the various species.
Media
Photo of an Isabella Tiger Moth
Species Types
Scientific Name
Pyrrharctia isabella
Description
Not many people know the adult Isabella tiger moth when they see one, but we’re all acquainted with its caterpillar, the woolly worm, or woolly bear.

About Land Invertebrates in Missouri

Invertebrates are animals without backbones, including earthworms, slugs, snails, and arthropods. Arthropods—invertebrates with “jointed legs” — are a group of invertebrates that includes crayfish, shrimp, millipedes, centipedes, mites, spiders, and insects. There may be as many as 10 million species of insects alive on earth today, and they probably constitute more than 90 percent all animal species.