Land Invertebrates
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Scientific Name
More than 3,000 species in North America north of Mexico
Description
The leafhoppers are a large and diverse family of sap-sucking, hopping insects. You can distinguish them from similar groups of hoppers by the hind legs, which have at least one row of small spines on the hind tibiae (“shins”).
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Scientific Name
Misumena vatia
Description
The goldenrod crab spider can change color from white to yellow, depending upon the blossom it's in. The female often has an orange or reddish stripe running along each side of the abdomen, extending from the front to about halfway down the side.
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Scientific Name
Araneus spp.
Description
Missouri's Araneus spiders, called angulate and roundshouldered orbweavers, can be hard to identify to species. Most have camouflage patterns, and they all make characteristic, delicate, wheel-shaped webs to catch prey.
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Scientific Name
Leucauge venusta
Description
The orchard orbweaver is a small, colorful, greenish, delicate spider that makes circular webs in low bushes and damp woodlands. It typically hangs in the middle of its web, its back to the ground.
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More than 900 species in North America north of Mexico
Description
Millipedes, which have two pairs of legs per body segment, are harmless detritus-eaters, move slowly, and curl up defensively when harassed.
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Micrathena spp.
Description
Missouri has three species of spiny orbweavers in genus Micrathena. The webs of these woodland spiders are often run into by hikers!
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Hundreds of species in North America north of Mexico
Description
Centipedes are familiar to anyone who has overturned rocks and logs, sifted through leaf litter, or dug in the soil. Learn more about Missouri's members of class Chilopoda.
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Approx. 150 species of land snails and slugs in Missouri
Description
Most people know land snails and slugs when they see these interesting animals. Missouri has about 150 species in 25 families.
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More than 500 species in North America north of Mexico
Description
Missouri has many species of halictid bees, or sweat bees. Some are solitary, but a number show different levels of social behavior. They're named for their attraction to perspiration, which offers them precious moisture and salts.
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About 50 species of mosquitoes in Missouri
Description
Mosquitoes are small flies that look a lot like their cousins in the fly family, the crane flies and midges. Female mosquitoes, however, drink blood from vertebrate animals.
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.