Field Guide

Land Invertebrates

Showing 151 - 160 of 162 results
Media
Photo of a tan jumping spider
Species Types
Scientific Name
Platycriptus undatus
Description
The tan jumping spider usually lives on tree trunks. Its gray, tan, and brown coloration camouflages it against tree bark. There is usually an undulating pattern on the abdomen.
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.
Media
Black-legged meadow katydid female
Species Types
Scientific Name
Orchelimum nigripes
Description
The black-legged meadow katydid is a gorgeous, strikingly marked katydid that hides among foliage. They are secretive and quick to hop away or move to the other side of a plant stem.
Media
Photo of an adult female field cricket
Species Types
Scientific Name
Gryllus spp., Acheta domesticus, and others in subfamily Gryllinae
Description
Field crickets and house crickets are celebrated singers. There are several species in Missouri.
Media
Female hooded grouse locust perched on a rock
Species Types
Scientific Name
About 30 species in North America north of Mexico
Description
Members of the pygmy grasshopper family are small and have a distinctively elongated pronotum — this plate, which only covers the shoulders of most other grasshoppers, extends back to cover the abdomen in this family. Most live along streams and in other wet habitats.
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
May beetle on wood
Species Types
Scientific Name
Phyllophaga spp.
Description
May beetles, or June bugs, are common beetles that are named for the months they are most numerous. Clumsy walkers and fliers, they are usually brownish and are attracted to lights at night.
Media
Dung beetle rolling a dung ball
Species Types
Scientific Name
Subfamilies Scarabaeinae and Aphodiinae
Description
Horses, cattle, dogs, and deer all drop manna from above to eager dung beetles, which collect, hoard, and guard the precious organic materials left undigested in the pile.
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.