Hobo Spider Information  -  home

Female Hobo Spider

The Hobo Spider is one of the most dangerously venomous spiders in the United States. The Hobo’s "stronghold territory" ranges from extreme southern Alaska through southern B.C. and Alberta Canada to central and southern California, east into central Colorado. However, we have confirmed catches throughout the continental USA to the eastern seaboard and into all Gulf States, making the "Hobo Spider" a national pest.

The Hobo Spider, originating from Europe began its infestation of the continental USA in the Port of Seattle some time before the 1930's. Most poisonous spider bites in the western half of the USA are due to the Hobo spider.

A venomous bite from a Hobo or Brown Recluse Spider can be severe. Necrotic arachnidism results from envenomation (venom poisoning) from the bite of Hobo, or Recluse. It occurs due to the venom's ability to clot blood that results in an area of tissue receiving inadequate blood flow and thus dying secondary to oxygen starvation.

Male Hobo Spider

Up to 50% of bites by dangerously venomous spiders are "dry" with no venom injected and no signs of poisoning developing. Most people bitten and envenomated by Hobo or Recluse spiders do not feel the initial bite and do not see the biting spider.  Bites that are more serious occur when the Hobo gets between clothes or bedding and skin and is trying to get away. Keeping clothes, bedding and storage boxes off the floor is a wise precaution, since they are preferred hiding places for the Hobo. People often get bit in bed, sleeping on couches or floors, when putting on clothes, coats, gloves or shoes that have been on the floor, and when picking up piles of laundry.

Seek medical attention if you think you have a Hobo or Brown Recluse spider bite. If possible collect up the spider or what remains of it and take with you to your doctor or emergency clinic.

"The Spider Elimination Kit" - available at spidertrap.com - is regularly featured in TV news and radio reports as the most effective way to control and eliminate populations in your living environment of the dangerously venomous Hobo and Brown Recluse spiders, as well as a variety of other poisonous and nuisance crawling insects.

Chemical spraying does not control the Hobo spider. Spraying kills far more predator and competing spiders and insects than it does Hobo's, and has been a major contributor to the Hobo's population explosion throughout the USA. Customers report Hobo populations increasing upwards of three times after spraying. The spider is also becoming highly resistant to some chemical sprays. Conversely, dramatic declines and elimination of Hobo populations are being reported from consistent year round use of our traps in widely varying living environments.

The Hobo spider has a three-year life cycle and is more active during its mating months of June to late October, when the males enter homes and other structures looking for nesting females. The three-year-old mature males generally die off after mating. The females often remain at their nest with the egg sacks until late November, into December. Hobo's lay one to three egg sacks containing 100 or more eggs each.

Reports indicate no matter the infestation location, juvenile Hobo’s (one and two year olds) are regularly caught inside homes and other heated structures throughout their non-mating cycle months (November through May). Proving the Hobo Spider has year round activity. Reports also indicate as many bites occur during these (non-mating cycle) months as during mating season months. The bite from juveniles are often more toxic than the adults.

Homes are "crawling with food sources" for juvenile Hobo spiders and two year olds maturing into mating adults. Since “The Spider Elimination Kit” is effective at trapping a wide variety of crawling insects and other spiders, it is removing potential food sources while catching Hobo Spiders.

It is very important for people to become aware Hobo spiders are not just around and active and a concern during their mating months: they are an active and dangerous year round pest.

Many assumptions about the Hobo Spider based on the behavior characteristics of its European cousin, simply have not turned out to be the case at all with the Americanized Hobo Spider.

The Hobo Spider has adapted to its (North American) habitat very well, to modern dense urban living environments, peoples' living practices, temperature extremes and geographic location. These adaptations and "environmental adjustments" in the spiders’ behavior have not followed predictions about their adaptations, making the Hobo spider a far more dangerous pest.

Misinformation regarding the Hobo spider and refusal to believe they are happening by “authorities that should know better” can cause people harm. Misinformation is responsible for creating a self-perpetuating mythology now in place about this spider. Misinformation is also responsible for the national spread of this spider, by using ineffective control practices that contribute to its spread.

Some of the more important environmental, behavioral and nesting characteristic adaptations of the Hobo Spider are:

To effectively control and eliminate Hobo spiders from your living environment, keep our traps in place throughout your home year round, thus catching juveniles before they mature and adults before they can breed. Our traps also catch a variety of small anthropoids and other crawling insects (even mice), helping to rid your homes of potential Hobo food sources and other pests.

”The Spider Elimination Kit” traps have a natural organic attractant, are 100% environmentally, and contact safe.

The Hobo is "not" an aggressive spider. That is a myth. Hobo's have poor vision seeing clearly only to about a foot or two away. However, being a fast spider - listed as one of the fastest spiders in the world by Guinness Book of World Records - when they sense potential danger or are startled they will run, often towards the source – which is often a person. A startled spider can run up the shoe and pant leg. The bites from both male and female Hobo's are poisonous and both have a distinct herringbone or chevron like pattern on top their dorsal abdomen. Hobo spiders prefer floor or ground level habitats, rarely found high on walls or ceilings. We have many reports of them climbing carpeted stairs to upper floors.

Designed to catch the Hobo and Brown Recluse spiders, "The Spider Elimination Kit" spider traps are also an effective, safe means of controlling many insects in the home. Consistently catching ants flies, inside centipedes and other anthropoids, silverfish, beetles and other nuisance spiders, all potential food sources of the Hobo spider.

©SpiderTrap.com - writing credit: Larry Giannou photo credit: Lee Ostrom

 

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