Land Invertebrates
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Scientific Name
About 1,500 species in North America north of Mexico
Description
Adult caddisflies are mothlike. Their larvae are aquatic and build portable, protective cases out of local materials, including grains of sand, bits of leaves and twigs, and other debris.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Scientific Name
About 1,350 species in North America north of Mexico
Description
Tachinid flies are one of the largest families of flies. They are parasitic flies whose larvae are parasitoids of other insects. They look a lot like house flies, blow or bottle flies, wasps, or bees. Many are very bristly.
See Also
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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!
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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.
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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.