Featured Article: How Chiggers Work
Chiggers are tiny arachnids that are known for delivering bites that itch intensely. Find out how chiggers work and learn about the chigger reproduction cycle. See more »
arachnids library
Arachnids have four pairs of jointed legs, two body sections and simple eyes. Arachnids are aggressive predators and include spiders, scorpions, mites and ticks.
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How Chiggers Work
Chiggers are tiny arachnids that are known for delivering bites that itch intensely. Find out how chiggers work and learn about the chigger reproduction cycle.
See more »
How Spiders Work
Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive animals. Movies like "Arachnophobia", "Spider-Man" and "Eight Legged Freaks" even spin their stories around spiders. Check out the real-life web-slinging, wall-crawling, venom-injecting inspiration.
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How Ticks Work
Ticks are parasites that feed on the blood of their hosts -- human or otherwise -- and are known for carrying diseases. Learn all about ticks, including how to remove them.
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What are chiggers and how do they bite?
What are chiggers, and do they bite you or burrow under your skin? How do they work?
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What is a spider's silk made of?
Spider silk is five times stronger than steel and twice as strong as bullet-proof Kevlar. What exactly is spider silk, what is it made of and why is it so strong? Find out the answers to these questions and learn other facts about spider silk.
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Arachnids
Arachnid, a general name for any animal that belongs to the class Arachnida. Arachnids include spiders, scorpions, harvestmen (or daddy longlegs), mites, and ticks.
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Harvestman
Harvestman, or Daddy Longlegs, a small eight-legged animal related to the spiders.
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Horseshoe Crab
Horseshoe Crab, a marine arthropod that lives in shallow water. It is also called king crab and helmet crab.
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Scorpion
Scorpion, an animal related to spiders, mites, and ticks. The scorpion lives in warm, dry regions and in the tropics.
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Sea Spider
Sea Spider, a sea-dwelling animal that looks somewhat like a spider. There are about 500 species.
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Spider Facts
Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive, well-equipped animals. They have a top-notch sensor array, a built-in construction set, a heavily armored body and a highly effective venom-injection system. How many other creatures can claim that?
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Spiders
Spider, an animal closely related to mites, ticks, and scorpions. There are about 35,000 known species, more than 3,000 of them in the United States.
See more »Chigger
Chigger, the larva of a harvest mite. Chiggers are sometimes called redbugs, because they are red in color, or jiggers.
See more »Daddy Longlegs
Daddy Longlegs, a popular name used in North America for the harvestman and in England for the crane fly.
See more »Mites and Ticks
Mites and Ticks, a group of invertebrates related to spiders. Mites are 1/64 inch to 1/8 inch (0.4 to 3 mm) in length; ticks are 1/8 inch to 1 1/8 inch (3 to 29 mm) in length.
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