Field Guide

Land Invertebrates

Showing 1 - 6 of 6 results
Media
image of Fiery Searcher on dead leaves
Species Types
Scientific Name
About 2,400 species in North America north of Mexico
Description
Ground beetles are mostly nocturnal or light-shunning beetles that tend to be shiny black and have grooved wing covers. This group also includes tiger beetles, however, which includes many colorful daytime fliers.
Media
Swamp milkweed leaf beetle on a leaf it has chewed on.
Species Types
Scientific Name
About 2,000 species in North America
Description
Leaf beetles, or chrysomelid beetles, are members of a large, diverse beetle family. As the name suggests, they eat leaves and other plant parts and are common on foliage.
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
Male eastern Hercules beetle walking in grass
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
image of Six-Spotted Tiger Beetle crawling on dead leaves
Species Types
Scientific Name
Subfamily Cicindelinae (about 100 species in North America)
Description
Dizzyingly fast runners and fliers, tiger beetles are remarkable, and often very colorful, insect predators.
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.
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.