它的身体亮黑,性格凶猛,擅长攻击,能分泌毒性极强的神经毒素。雌蛛体形较大,腹部有一红色斑记;雄蛛只有雌蛛的一半大,腹部有黄色斑记。由于雌性在交配后会立即吃掉雄性配偶,以保证足够的营养来养育后代,因此被称为“黑寡妇蜘蛛”。人被这种蜘蛛叮咬后常常会不会出现作僵硬肉痉挛、腹痛、发热、吞咽或呼吸困难,重者需长期治疗,儿童或体弱者会有生命危险。 Its body is black, ferocious, good at attack, can secrete highly toxic neurotoxin. Female spiders larger body, abdomen has a red mark; male spider only half the big spider, the yellow mark on the abdomen. It is called “Black Widow Spider” because females ate males immediately after mating to ensure adequate nutrition to raise offspring. People often do not appear as stiff flesh spasms, abdominal pain, fever, swallowing or breathing difficulties after being bites by such spiders. In severe cases, long-term treatment is needed and children or the infirm can be life-threatening.