Field Guide

Land Invertebrates

Showing 1 - 10 of 76 results
A reddish centipede crawls over a rock
Centipedes
Hundreds of species in North America north of Mexico
Centipedes are familiar to anyone who has overturned rocks and logs, sifted through leaf litter, or dug in the soil. Learn more about Missouri's members of class Chilopoda.
Photo of a land snail crawling on a rock.
Land Snails and Slugs
Approx. 150 species of land snails and slugs in Missouri
Most people know land snails and slugs when they see these interesting animals. Missouri has about 150 species in 25 families.
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
Missouri has many species of halictid bees, or sweat bees. Some are solitary, but a number show different levels of social behavior. They're named for their attraction to perspiration, which offers them precious moisture and salts.
American dog tick crawling on a person's skin
Ticks
Three common Missouri species
Ticks drink the blood of humans and other mammals. Because they can carry serious, sometimes deadly diseases, it's important to learn about ticks and how to protect yourself from their bites.
Elongate-bodied springtail on a brown leaf
Springtails
More than 8,000 species globally
Springtails, like insects, have six legs, but these tiny rounded, oval, or elongated creatures that hop quickly into the air are not insects. They have a separate lineage and many structural differences.
magnified chigger
Chiggers
Trombicula alfreddugesi and other Trombicula spp. (syn. Eutrombicula)
The worst thing about Missouri summers is chiggers. They are nearly invisible but leave itchy red welts. Avoid their habitat areas, especially after noon.
image of Soldier Beetle on Goldenrod
Soldier Beetles (Cantharids)
Nearly 500 species in North America north of Mexico
Soldier beetles are most often seen on flowers. Many species in this family are pollinators. Yellow, orange, and red are their most common colors, besides black and brown.
image of Green Lacewing clinging to rock
Green Lacewings
About 85 species in North America north of Mexico
Green lacewings are delicate insects whose larvae are ravenous predators of aphids. This makes the lacewing a friend to gardeners!
image of a Midge
Midges
Nearly 1,100 species in North America
Midges are dainty flies that resemble mosquitoes. They often dance together in the air in huge swarms. Unlike their problematic cousins, they are harmless and do not bite.
Tan stink bug on dead leaves
Stink Bugs
In North America, more than 200 species in 64 genera
Stink bugs are shield-shaped insects that can smell really bad. This is a large family of true bugs known for producing a foul odor when harassed.
See Also
Photo of a Yellow-Collared Scape Moth
Yellow-Collared Scape Moth
Cisseps fulvicollis
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!
image of Plume Moth on blade of grass
Plume Moths
Nearly 150 species in North America north of Mexico
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.
Photo of an Isabella Tiger Moth
Isabella Tiger Moth (Woolly Bear; Woolly Worm)
Pyrrharctia isabella
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.