Field Guide

Land Invertebrates

Showing 61 - 70 of 169 results
Media
Two-marked treehopper clinging to a stem
Species Types
Scientific Name
More than 260 species in North America North of Mexico
Description
Treehoppers can resemble thorns, bark, weird plant bumps, or tiny leaves. If you can recognize one of these as an insect, you're doing well!
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. Populations of some species may be bright pink.
Media
periodical cicada shown from the side
Species Types
Scientific Name
Magicicada spp.
Description
Periodical cicadas live as nymphs for 13 or 17 years underground, and then emerge simultaneously to metamorphose into their adult form. Tremendous numbers of periodical cicadas, calling all at once, are a memorable event.
Media
image of a Flower Fly on a flower
Species Types
Scientific Name
Nearly 900 species in North America
Description
Harmless flies and valuable pollinators, flower flies are incredibly convincing mimics of bees, wasps, and yellowjackets. Recognize them as true flies by their single pair of wings, short antennae, and flylike compound eyes.
Media
image of Bee Fly on leaf
Species Types
Scientific Name
About 800 species in North America
Description
Resembling bees, or sometimes big, fuzzy mosquitoes, bee flies are a family of true flies and are not bees at all. Lacking the ability to sting, their bee mimicry helps them avoid many would-be predators.
Media
Robber fly, genus Efferia, male, perched on a white-painted post
Species Types
Scientific Name
More than 1,000 species in North America
Description
Robber flies are aerial predators of a variety of insects. They often perch in conspicuous locations and make short flights chasing prey.
Media
Photo of a picture-winged fly
Species Types
Scientific Name
About 130 species in North America north of Mexico
Description
Named for the ornate color patterns on their wings, picture-winged flies are small or medium-sized flies whose larvae often feed on decaying materials. If you have a compost heap, you will probably see these flies.
Media
image of Antlion Larva on rock
Species Types
Scientific Name
More than 100 species in North America north of Mexico
Description
Antlions, also called doodlebugs, are most familiar in their immature stages, when they create pits in sand in which to trap ants. The adults look something like drab damselflies.
Media
Photo of a male Banded Pennant dragonfly
Species Types
Scientific Name
Species in the suborder Anisoptera
Description
Like damselflies, dragonflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae. Dragonflies typically hold their wings stretched outward, horizontally.
Media
Photo of a Xysticus crab spider, tan individual
Species Types
Scientific Name
Xysticus spp.
Description
Missouri has several species of ground crab spiders in the genus Xysticus. They are usually dull gray or brown with brown, white, or yellow markings. They typically live under bark or on the ground in leaf litter.
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.