Field Guide

Land Invertebrates

Showing 21 - 30 of 38 results
Japanese beetle on a leaf
Japanese Beetle
Popillia japonica
Despite its decorative bronze wing shields, metallic green thorax, and black-and-white striped abdomen, the Japanese beetle is a serious agricultural pest.
Red milkweed beetle eating a common milkweed leaf.
Longhorned Beetles (Borers; Sawyer Beetles)
About 1,000 species in North America north of Mexico
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.
Cryptorhynchus weevil viewed from side
Weevils (Snout Beetles; Bark Beetles)
About 2,500 species in North America north of Mexico
Weevils are plant-eating beetles with a characteristic long, down-curving snout. The antennae are clubbed and elbowed. There are thousands of weevil species.
image of a Spittlebug and nest on plant stem
Spittlebugs and Froghoppers
About 60 species in North America north of Mexico
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.
photo of a male reddish-brown stag beetle
Stag Beetles (Lucanids)
About 40 species in North America north of Mexico
Stag beetles are a family that, though not very colorful, have prominent pincers! Male stag beetles usually have enlarged, sometimes astonishing jaws. These “antlers” give rise to the common name.
Photo of an adult stonefly on a leaf
Stoneflies
Nearly 700 species in North America north of Mexico
Stoneflies have a lot in common with mayflies, caddisflies, dragonflies, and dobsonflies: They begin life as aquatic larvae, then molt and become winged adults. Many fish find stoneflies irresistible, and anglers know it.
Side view of longlegged fly, Condylostylus, perched on a wooden railing
Longlegged Flies
About 1,300 species in North America north of Mexico
The longlegged flies are a large, diverse fly family. They often have eye-catching metallic green, copper, bronze, or blue bodies and long legs. Their delicate wings are often clear and look iridescent in bright light, but many species have dark marks near the wing tips.
Newly emerged adult pronghorn clubtail dragonfly perched on a grass stem
Pronghorn Clubtail
Phanogomphus graslinellus
The pronghorn clubtail is one of several members of its genus in our area that are generally difficult to identify. Like other dragonflies, it is an aerial predator that hunts insects on the wing.
image of a Carolina Grasshopper
Carolina Grasshopper
Dissosteira carolina
The Carolina grasshopper is frequently seen in dusty, open habitats like dirt roads and vacant lots. Its yellow-bordered, black hindwings make it look like a mourning cloak butterfly.
Male eastern Hercules beetle walking in grass
Eastern Hercules Beetle
Dynastes tityus
The eastern Hercules beetle is a breathtaking animal. Like its Greek-hero namesake, it is big and strong. Males have horns; females do not. Hercules beetles are harmless to people.
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.