The largest spider on earth is the wolf spider. Wolf spider is the collective name for species of the order Araneidae and the family Lycosidae. It has 8 black eyes arranged in 3 rows (4-2-2). The legs are thick and spiny, ending in three claws. It is named because it is good at running, jumping, poisonous, agile and ferocious. Wolf spiders have hairs like wolf hairs on their backs and have eight eyes. Some wolf spiders are very poisonous and can kill a sparrow, and a large one can kill a person.
There are more than 1,500 species of tarantulas in the world. The body is medium to small, 3 to 25 mm long. Most wander and hunt, a few build nets. Activities on the ground, ridges, ditch edges, farmland and plants. When resting, they hide under rocks or in cracks in the soil, and some species live in caves. They usually forage during the day, but in warmer areas they also forage at night. It has a large amount of prey and is an important natural enemy of pests in farmland.
Common ones include wolf spiders, water wolf spiders, leopard spiders and badger spiders. Many water wolf spiders can be seen in paddy fields or riversides. The leopard spider of the genus Leopard Spider is the dominant species in China's paddy fields. It eats a lot of insects and plays an important role in eliminating pests. Burrowing wolf spiders distributed in Xinjiang are highly toxic and harmful to humans and animals.
Wolf spiders are ferocious in nature, but their main targets are various insects. They also eat their own kind when very hungry. Although wolf spiders are ferocious and often eat their own kind, they often show a tender side towards their children. Most tarantulas take good care of their offspring. In order to feed her offspring, the mother wolf spider often goes hungry and eats nothing.
The venom in the wolf spider's body can be extracted and used to develop the next generation of painkillers. Scientists around the world hope that deadly venom collected from spiders' bodies will be used to relieve pain in patients.
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