What Are the Most Dangerous Types of 蜘蛛?


What are the most dangerous types of spiders? 世界上最毒的蜘蛛的吉尼斯世界纪录保持者是悉尼漏斗网蜘蛛, 但除非你花时间在澳大利亚的东海岸和高地, you are unlikely to encounter this creature. 在北美,棕色隐士被认为是最危险的蜘蛛.

How Many Species of 蜘蛛 Are There

There are more than 43,000 species worldwide. 数量如此之多,你可能会认为蜘蛛对人类是一个巨大的危险, but less than 30 have been responsible for human deaths. Effective antivenoms have been developed, 但仍, 平均, 美国每年有7人死于蜘蛛咬伤. 儿童、老人和免疫系统受损的人最容易感染.

How Many Species of 蜘蛛 Are in North Carolina?

There are over 1,500 spider species in North Carolina, the brown recluse and black widow are among them. 而对每个人来说,采取预防措施是明智的 dangerous types of spiders, keep in mind that though they may be creepy and even scary to some, spiders are an extremely valuable part of our ecosystem. 它们对照顾其他令人毛骨悚然的小爬虫至关重要,每年要吃掉4 -8亿吨昆虫!

List of Most Dangerous 蜘蛛

What are the most dangerous types of spiders? 让我们专注于在美国发现的蜘蛛.

Yellow Sac Spider

If you wake up with a spot that is red, 痒, inflamed, you may have been bitten by a yellow sac spider. 有些人对毒液完全没有反应,而另一些人则有类似过敏的反应. 虽然黄囊蜘蛛对大多数人无害,但如果你有严重的过敏,它们可能是危险的.

Facts About Yellow Sac 蜘蛛

  • Yellow sac spiders like to hide in clothing or laundry, 有时,当你穿上它们躲藏的衣服时,它们就会被咬.
  • Also known as a black-footed spider, black-footed yellow sac spider, or American yellow sac spider, 它的身体颜色苍白,据信反映了它们最近吃了什么.
  • 当它们黑色的“脚”与浅色的表面相映衬时,有时可以认出它们.


Their size (4.5-11 inches), thick legs and body, 几乎哺乳动物一样的毛发导致狼蛛名声不佳. Their bites can be 疼痛ful for days, 但研究表明,没有记录在案的狼蛛造成的死亡. There is a report of 2 deaths in a remote part of India, Churulia, 但可能是坏疽和皮疹没有治疗的结果.

Facts About 狼蛛s

  • 狼蛛主要生活在美国干旱干旱的地区.
  • They primarily eat insects but are known to eat small rodents, reptiles, amphibians when necessary.
  • Female tarantulas can live up to 30 years, 而雄性的平均寿命要短得多,只有7岁左右.

Hobo Spider

Hobo spider bites can be a bit more serious, 因为它们的毒液有可能导致叮咬周围的身体组织恶化. 通常,被咬24小时后会起水泡,然后变黑. 这些咬伤需要很长时间才能愈合,可能需要医疗护理. 严重的头痛、疲劳和恶心是流浪汉蜘蛛咬伤后可能出现的其他症状.

Facts About Hobo 蜘蛛

  • 这种蛛形纲动物主要在美国西部发现, with a concentration in the pacific northwest.
  • 流浪蜘蛛大约半英寸长,腿上有毛,呈褐色.
  • It will usually have V-shaped markings on its abdomen, much like a chevron pattern, the mouthparts of the male resemble boxing gloves.

Brown Widow Spider

棕色寡妇蜘蛛的毒液实际上是黑寡妇的两倍, 但人们认为它没有黑寡妇那么危险,因为它不会像黑寡妇那样注入那么多毒液. Brown widow spider bites are 疼痛ful and may turn red.

Facts About Brown Widow 蜘蛛

  • Similar in body type to the black widow, 它的颜色是棕色的,背部的沙漏形状是橙色的, instead of the red found on a black widow.
  • 棕色寡妇大多生活在美国南部的犄角旮旯里.S., such as under furniture or in boxes in storage areas.

Black Widow Spider

黑寡妇咬伤可以杀死小动物,比如猫和狗. In the past, about 5 percent of black widow bites in the U.S. 是致命的,但多亏了抗蛇毒血清,死亡现在很少了. The bites are still serious though, may result in:

  • 疼痛
  • 呕吐
  • 发冷
  • 发热
  • Respiratory issues
  • 精神错乱
  • Muscle spasms
  • Spike in blood pressure
  • Partial paralysis

Facts About Black Widow 蜘蛛

Brown Recluse

The brown recluse is one of the most venomous spiders in the United States. 一个复杂的问题与棕色隐士蜘蛛咬伤是,它通常感觉不到, 所以在毒液开始破坏之前,治疗根本不是一个想法.

在棕色蛇毒中有一种蛋白质,它会在被咬的地方产生黑色斑点和炎症. 如果在发现咬伤后立即进行家庭治疗,对成年人也可以有效. 小孩子通常无法抵抗这种毒素,所以他们应该马上去看专业医生.

If the tissue starts to break down from the venom, surgery may be required to cut out the infected area. If left untreated completely, a brown recluse bite can lead to kidney failure, 癫痫发作, even death, 尽管没有可证实的报告说,在北美由于棕色隐士咬伤而死亡.

Facts About Brown Recluse 蜘蛛

  • 这种棕色的隐士生活在美国南部和中部.
  • It’s about an inch in length, brown in color, 背上有小提琴形状(有时被称为提琴背蜘蛛).
  • 它是可以识别的,因为它有6只眼睛,而不是通常的8只.

They are called a recluse because they keep to themselves. You can try to avoid bites by not sticking your hand, or any other body parts, into areas into which you cannot see.

What Does a Spider Bite Look Like?

When someone asks “What does a spider bite look like?” the answers can vary greatly. 最常见的情况是,蜘蛛咬伤会表现为发痒的红色小疙瘩. 有些可能会稍微大一点,特别是如果一个人对它们的毒液过敏.

Because spider bites are usually just small red bumps, 有时会被误认为是蜘蛛咬伤.

Can You Tell What Kind of Spider Bit You by the Bite?

  • 棕色的隐咬通常会先变成红色,然后变成深蓝色或紫色. 有时它周围会有一个环,蜘蛛咬的伤口看起来像一个靶心.
  • Hobo spider bites usually blister and may discharge fluid.
  • A black widow bite may have double fang marks.

如果你知道你被这三种蜘蛛中的一种咬过, 非常小心地抓住蜘蛛,以防你需要就医, but do not risk getting bitten again.

What Symptoms Come from a Spider Bite?

被蜘蛛咬伤的症状和蜘蛛本身一样多种多样, each person’s reaction will be different.

In addition to redness, 疼痛, 肿胀, 燃烧, 和瘙痒, other symptoms that come from a spider bite can include:

  • Abdominal 疼痛/stiffness (black widow)
  • Tissue necrosis
  • 出汗
  • 发热
  • 发冷
  • 身体疼痛
  • Ulcerated skin (brown recluse, black widow, hobo spider)
  • Trouble breathing
  • 头疼
  • 呕吐/Nausea
  • General malaise
  • 乏力
  • Muscle cramps
  • Facial 肿胀
  • 癫痫发作
  • 昏迷
  • 黄疸
  • Blood in urine
  • Kidney failure
  • 血压的变化(因流浪蜘蛛而升高,因狼蛛咬而降低)
  • 麻木
  • Restlessness
  • Eyelid puffiness (tarantula)
  • Visual or aural disruption
  • Increased heart rate

Environmentally Friendly Spider Control

Spider control can be a tricky business. Chemicals are not very effective against spiders, 所以农药只会造成不必要的有毒环境. 这只是鼠尾草害虫控制使用环境友好的方法为你的蜘蛛和 other pest control needs.

For nearly a decade, our 3 locations in 夏洛特, 罗利, 格林斯博罗 have been serving the pest control needs of their surrounding areas. As a family-run business, we place great importance on supporting our community, 我们为自己感到自豪的是,我们是少数几家同时获得QualityPro和GreenPro认证的公司之一.