Class Arachnida
spider (spider)
- spider is predator is important in agriculture, get rid of the pest insects
- แมงมุมบาง types may be toxic for a time was bitten
.- Spider lives in the trees, the grass and the digging a hole in the soil. It mainly produces fiber (WEB) to trap prey, but also have many not build fiber.
- Spider, is about 36000 species are generally small, only the body length of about 1-2 cm
- Spider Romper in temperate and tropical
- subject that study about spiders especially called. In Araneaology
.- prosoma and oh Pittsburgh master somatic have short stem (pedicel) seize. Between the prosoma is a small part of OPIs master โซมาจะ big scorpions (scorpion)
.- the scorpion found in temperate and tropical, mostly prefer to stay in the dark. Under a pile of wood, stone, on the ground. The sand, nocturnal.
- food is mainly insects and spiders in different
.There are about 800 - scorpion species. Some kinds of poisonous to humans
ticks and mites (tick and mite)
- ticks and mites is shaped differently from other kinds of
. '- the body is divided into two parts. The call capitulum or gnathosoma small head, limb only 2 pairs and is chelicera pedipalp.
- chelicera of parasites is pointed sticks Poisonous along the edge for scraping the skin of victims and piercing sucking liquid from the victim
.Chelicera pedipalp - and their prey to a jaw
- idiosoma parts not articulate with large stomach ขาเดิน 4 pair
.- tick (tick) is a parasitic outside of many mammals. To prevent the blood from clotting saliva have helped feed continuously and cecum help keep food. Tick that we commonly known is the brown dog tick genus.
.- (mite) are both live freely in the soil. In the water, both freshwater and seawater. The parasite is both inside and outside of animals and plants.
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