Land Invertebrates
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Species Types
Scientific Name
Phidippus audax
Description
The bold jumper, or white-spotted jumping spider, is fuzzy, makes jerky movements, jumps surprisingly long distances, and doesn't build webs. It usually has a black body with white, orange, or reddish spots on the abdomen.
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Scientific Name
Argiope aurantia
Description
The black-and-yellow garden spider is large but harmless. It sets up large, circular webs in gardens and grasslands. Lucky gardeners can host this remarkable pest exterminator all season long.
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Scientific Name
Argiope trifasciata
Description
The banded, or white-backed garden spider is slightly smaller than the black-and-yellow garden spider and has a pointier hind end. The abdomen is patterned with many thin silver and yellow transverse lines and thicker black, spotty lines.
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Scientific Name
Pisaurina spp.
Description
Nursery web spiders build silken tents in plants to protect their egg sacs, then stand guard until the hatchlings are ready to disperse. Large and velvety, nursery web spiders have long legs and variable color patterns.
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Scientific Name
About 6,500 species have been named so far, worldwide.
Description
Daddy longlegs, or harvestmen, are familiar Missouri animals. They are not spiders, but opilionids. Unlike spiders, they have a fused body form and lack silk and venom glands.
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Scientific Name
Centruroides vittatus
Description
Striped bark scorpions are pale yellowish brown, usually with two lengthwise dark stripes on the abdomen. It is the only species of scorpion in Missouri. It occurs in glades and other dry, warm, rocky areas, and sometimes in buildings and shelters and under piles of wood, brush, or garbage.
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Scientific Name
Panorpa spp.
Description
Male scorpionflies will make you look twice, because the abdomen is tipped with what looks like a scorpion stinger! These nifty insects cannot sting, however.
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Scientific Name
About 84 species in North America.
Description
Many blow flies are so shiny and colorful they’re called greenbottles and bluebottles. But pretty as they are, it’s hard not to be repulsed by their larval diets.
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Scientific Name
About 20 species in North America in subfamily Oecanthinae
Description
Tree crickets, or pale bush crickets, are a subfamily of crickets that are little seen but often heard. True to their name, instead of living on the ground, they live in trees, bushes, and tall herbaceous plants.
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Scientific Name
About 165 species in North American north of Mexico
Description
Grayish, small, flattened, and rectangular, lace bugs have a lacy network of ridges on the wings and body. They suck nutrients from foliage with their beaks. The resulting pale spots on leaves might be the first sign of their presence.
See Also
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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!
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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.
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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.