The average spider lifespan varies among different species. Overall, females tend to live longer than males. Many different varieties make their home in the Mid-Atlantic states, but house, grass, and wolf spiders are the most common arachnids in the region. The spider life cycle begins with an egg. Many species seek out quiet, undisturbed areas such as wall corners or floor joists to lay their eggs.
Depending on the type of spider, they may deposit them in silken nests or inside little holes or tunnels, known as retreats. Science The controversial sale of 'Big John,' the world's largest Triceratops. Science Coronavirus Coverage How antivirals may change the course of the pandemic.
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Do pet spiders recognize their owners? Some species are small but most are large: they range from mm in body length. Female wolf spiders are often bigger than males of the same species. Like all spiders they have two body sections: the cephalothorax in front and an abdomen behind.
The abdomen contains the digestive and reproductive systems, and on the underside of it are the glands where silk is produced. The structures that produce the silk are called spinnerets. Wolf spiders have eight legs, all attached to the cephalothorax. On the front of the cephalothorax are the mouth, the fangs, the eyes, and two small "mini-legs" called pedipalps. These are used to grab prey, and in mating, and are much bigger in male spiders than in females.
They have eight eyes in three rows. The front row has four small eyes, the middle row has two much larger eyes, and the back two eyes are medium sized and off to the sides. These spiders have strong fangs and and venom glands to quickly kill their prey.
Wolf spiders are colored in camouflage colors of brown, orange, black, and grey. Sometimes they are all one color, but usually they have some stripes or blotches. Wolf spiders are found all around the world, and about 2, species are known. There are about 50 species of wolf spiders in Michigan. Wolf spiders live in all kinds of habitats, anywhere there are insects to eat.
They seem to be most common in open habitats like grasslands, and are often found in farm fields and meadows.
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