Field Guide

Land Invertebrates

Showing 41 - 50 of 81 results
Media
Red milkweed beetle eating a common milkweed leaf.
Species Types
Scientific Name
About 1,000 species in North America north of Mexico
Description
Longhorned beetles are elongated and cylindrical, with antennae that are at least half the length of the body — sometimes much longer. The larvae are grubs that bore in wood or other plants. Some are serious pests.
Media
Cryptorhynchus weevil viewed from side
Species Types
Scientific Name
About 2,500 species in North America north of Mexico
Description
Weevils are plant-eating beetles with a characteristic long, down-curving snout. The antennae are clubbed and elbowed. There are thousands of weevil species.
Media
Seven-spotted lady beetle on a flower
Species Types
Scientific Name
Nearly 500 species in North America north of Mexico
Description
Lady beetles are beloved for many reasons. Farmers like the way they devour injurious aphids and scale insects. Everyone else appreciates their bright colors and shiny, compact bodies.
Media
image of a Spittlebug and nest on plant stem
Species Types
Scientific Name
About 60 species in North America north of Mexico
Description
The nymphs of spittlebugs and froghoppers are famous for hiding in small foamy masses of fluid. The “spit” conceals them as they suck juices from plant stems. The adults resemble leafhoppers.
Media
Image of house centipede
Species Types
Scientific Name
Scutigera coleoptrata
Description
Exceedingly fast, with zillions of wiggly legs! House centipedes seem that way. We usually see them in houses, where they prey on all the other insects and spiders you don't want around.
Media
Photo of a meloe blister beetle, female, on ground
Species Types
Scientific Name
More than 400 species in North America north of Mexico
Description
The name is a warning: blister beetles are famous for their chemical defenses. Beetles in this family can exude an oil that can cause a person’s skin to blister.
Media
Click beetle resting on a brick wall
Species Types
Scientific Name
Approximately 1,000 species in North America
Description
Their streamlined shape is distinctive, but the behavior of click beetles is even more unique: Placed on their backs, these beetles flip suddenly into the air with an audible click.
Media
image of a boxelder bug
Species Types
Scientific Name
Boisea trivittata
Description
Notoriously numerous, boxelder bugs overwinter in nooks of tree bark and rocks, but they will settle for warm crannies of your house. The box elder tree is the food plant of this harmless insect.
Media
Squash bug on sand
Species Types
Scientific Name
Anasa tristis and other Anasa spp.
Description
Sooner or later, most Missouri gardeners learn about squash bugs, which feed on the foliage of squash, pumpkins, melons, cucumbers, and other plants in the squash family.
Media
image of an Alderfly
Species Types
Scientific Name
Sialis spp.
Description
Adult alderflies are usually black, dark brown, or gray. They look a lot like stoneflies but are more closely related to fishflies and dobsonflies.
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.