Field Guide

Land Invertebrates

Showing 21 - 30 of 33 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
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
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
image of Firefly crawling on a leaf
Species Types
Scientific Name
Approx. 175 species in North America north of Mexico
Description
Fireflies are amazing beetles that use “cold light” (bioluminescence) to attract mates. They are commonly seen as they fly and glow in summer evenings.
Media
Side view of longlegged fly, Condylostylus, perched on a wooden railing
Species Types
Scientific Name
About 1,300 species in North America north of Mexico
Description
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.
Media
Photo of a northern crab spider
Species Types
Scientific Name
Mecaphesa asperata
Description
The northern crab spider has many spiny hairs covering the top surfaces of the carapace, abdomen, and legs, and it has usually has greenish-yellow or yellow-brown markings.
Media
Photo of a green crab spider on a leaf
Species Types
Scientific Name
Misumessus oblongus (formerly Misumenops oblonga)
Description
The green crab spider has spines, and the entire body and legs are pale green to silvery white. Like other crab spiders, its legs extend outward from the sides, and it can walk in any direction.
Media
Tarnished plant bug resting on a leaf
Species Types
Scientific Name
About 2,000 species in North America north of Mexico
Description
Plant bugs, or mirids, are a huge family of true bugs. They are often overlooked — except by gardeners and farmers. Most mirids eat plants, and some are agricultural pests. As a group, they’re an important food source for birds and other insectivores.
Media
Obscure bird grasshopper on a grapefruit tree leaf
Species Types
Scientific Name
Schistocerca spp.
Description
About six species of bird grasshoppers occur in Missouri. Most are attractively marked, large insects that gracefully fly from danger, almost like birds.
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.