Field Guide

Land Invertebrates

Showing 61 - 70 of 109 results
Media
Photo of adult antlion with wings spread
Species Types
Scientific Name
More than 100 species in North America north of Mexico
Description
Adult antlions look something like drab damselflies. These insects are most familiar in their immature stages, called doodlebugs, which create pits in sand for trapping ants.
Media
Photo of an adult stonefly on a leaf
Species Types
Scientific Name
Nearly 700 species in North America north of Mexico
Description
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.
Media
Deer bot fly Cephenemyia phobifer resting on a support beam at the top of a fire tower
Species Types
Scientific Name
About 40 species in North America north of Mexico
Description
Bot flies are chunky, beelike flies usually with rounded heads. Adults are not commonly seen. The larvae are short, pudgy, segmented grubs that live as parasites in the tissues of animals. Those that live just under the skin often form a bulge. Some types live in the nasal or throat cavities of deer.
Media
Whitebanded fishing spider resting on a mossy tree trunk, legs outstretched
Species Types
Scientific Name
Dolomedes albineus
Description
Whitebanded fishing spiders are often seen on tree trunks, walls, or other vertical surfaces, sometimes far from water. The coloration and markings can vary, but many individuals have an olive-green cast that helps them blend in with mosses and lichens. Note the bristly legs.
Media
Striped fishing spider resting on the edge of the Bourbeuse River, Tea Access, Gasconade County
Species Types
Scientific Name
Dolomedes scriptus
Description
The striped fishing spider feels vibrations on the water surface to detect the movements of prey, then skates across the water to grab and subdue it. Like most other fishing spiders, it can also go underwater to capture small fish and other small aquatic animals.
Media
Jumping worm lying on soil, with a person's fingers for scale
Species Types
Scientific Name
Amynthas and Metaphire spp.
Description
Jumping worms are invasive earthworms that are native to east Asia. They are spreading in North America and cause problems for plants and soils. They thrash violently when disturbed.
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 dull colored spittlebug adult on a twig
Species Types
Scientific Name
Lepyronia quadrangularis
Description
The diamondback spittlebug is common in weedy areas. The larvae live protected in spitty masses of foam. The adults are drab and well camouflaged, so few people notice them.
Media
Photo of a spotted orbweaver or barn spider, Neoscona crucifera, with black background
Species Types
Scientific Name
Neoscona crucifera
Description
A widespread species, the barn spider commonly builds its webs in woods and on the eaves of barns, houses, and similar structures.
Media
image of Nut Weevil on wood
Species Types
Scientific Name
Curculio spp.
Description
Nut and acorn weevils, in genus Curculio, have very long, narrow beaks and chunky bodies. Females bore tiny holes into developing acorn, hickory, or other nuts, and deposit their eggs within.
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.