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Many species of spiders are poisonous, but only a few species are poisonous, especially serious type is called black widow spiders, Latrodectus or mactan (Black widow spider) species are poisonous, severe (Severe human poisoning), Latrodectus, Atrax and Loxosceles, Phonentria the most poisonous species found in the United States. There was a fatal poison, poison water make people lost their lives. The size of the females grow to approx. 13 mm, torso, and legs are brown to black. The abdomen has orange-red hourglass-like. Apparently, often living in the dark in a pile of wooden stumps crevices of floor.This type of spider that is found in the country in Thailand ever reported for this type of patient is a spider bite at the Khon Kaen province is female, age 20 years. After the bite painful bites, sweating, upset stomach and breathing very difficult speech. The symptoms are temporary, then lost a one-day regular. A Brown spider is on the ground and a diagnosis. The spider found in sp Lactrodectus. We generally like living on the ceiling. The corner of a room such as a bathroom. The kitchen wall with a crack or some type of concealment to a small insect trap to eat their prey.

Many species of venomous spider But there are a few species that are toxic. Especially the type called Latrodectus mactan or black widow (Black widow spider) species that are toxic (Severe human poisoning) include Latrodectus, Loxosceles, Phonentria Atrax and the most poisonous species found in the United States. Toxic venom people have died. Females grow to about the size of 13 mm body and the legs are brown. The belly is shaped like an hourglass, orange, red, apparently, often living in the dark on a pile of wood stump cracks of the spider species found in Thailand has been reported patient was this spider bite that province. a 20-year-old woman after being bitten by a sore at the bite site, sweating, abdominal pain, difficulty breathing and speaking. Symptoms are usually temporary, then it was gone in one day. The spider is brown on the ground and was diagnosed varieties Lactrodectus sp. Spider found in the house, we generally prefer to live on the ceiling of the room such as the bathroom, kitchen or on the wall with cracks, some webs to trap insects. small bait

Many species of spider venom, but only a few species are deadly poisonous. Especially the kind called Latrodectus Mactan black widow spider (Black widow spider) type virulent (Severe. Human poisoning), including Latrodectus Loxosceles Phonentria Atrax varieties with poison, and most are found in the United States. Water poison poisonous to people died, the size of the females grow about 13 mm, body, stomach and legs are brown, black The belly is a similar to the orange red. Obviously, tend to live in the dark in a pile of wood stump cracks of floor.This type of spider found in previously reported patients with this type of spider bites are Khon Kaen. Women aged 20 years after the bite the pain of the bitten. Sweating, abdominal pain, breathing and hard to say. The symptoms are temporary and recovered to normal in one day. Spiders are brown on the ground and was diagnosed with Lactrodectus varieties SP spider found in our country generally prefer to live according to the ceiling. The corner of the room, such as the bathroom, kitchen, or along the wall with cracks. Some kinds of webs to trap insects to eat small prey.