Spiders

House Spider

Nausea-Venomous

  • Venom toxicity– The bite of the House Spider is poisonous but not lethal. Certain people bitten experience severe pain around the bite site, heavy sweating, muscular pains, vomiting, headaches and giddiness. First aid and medical attention should be sought as soon as possible.
  • Spider Identification– Adults are about ½” in body length and of a dark brown to black velvet textured appearance.
  • Habitat– This spider spins a lacy, messy web and prefers dry habitats in secluded locations. It is commonly found in window framing, under eves, gutters, in brickwork, sheds, toilets, and among rocks and bark. Electric lights attract the prey-moths, flies mosquitoes and other insects.

Brown Recluse Spider

Aggressive and Deadly

Brown Recluse Spider
  • Venom toxicity– The brown recluse venom can cause significant cutaneous injury with tissue loss and necrosis. Their venom is especially poisonous to people; those bitten often become ill and find that the wound does not heal quickly. Both male and female brown recluse spiders, as well as their spiderlings, are capable of injecting venom which can result in serious lesion formation or systemic reactions. The severity of the bite may vary.
  • Spider Identification– An adult spider is ¼- ¾ “ in body- a dark violin shape is located on the top of the leg attachment region with the neck of the violin pointing backward toward the abdomen. Unlike most spiders that have 8 eyes, the brown recluse has 6 eyes arranged in pairs- one pair in the front and a pair on either side.
  • Habitat– The brown recluse spider is nocturnal and prefers food such as firebrats, crickets, cockroaches and other soft bodied creatures. Earning their name well, the brown recluse spider4 ceases its wanderings at first sight. People are most commonly bitten in bed, while changing clothes, or cleaning storage areas.

Wolf Spider

Non-aggressive-Venomous

  • Venom toxicity– The bite of the Wolf spider is poisonous but not lethal. Although non-aggressive, they bite freely if provoked and should be considered dangerous to humans. The bite can be very painful. First aid and medical attention should be sought as soon as possible, particularly to children or the elderly.
  • Spider identification– An adult is ½” to more than 1” in body length- mottled gray to brown in color.
  • Habitat– This spider is a ground dweller, with a burrow retreat. It has a roving nocturnal lifestyle to hunt their prey and can move very rapidly when disturbed. Commonly found around the home and garden areas.

Black Widow Spider

Can be deadly-Highly Venomous

  • Venom Toxicity– the Black Widow can inflict a painful bite which can be fatal, especially to the yound and elderly. An effective anti-venom was developed in 1956.
  • Habit—prefers wood piles, rubble piles, under stone, in hollow stumps, sheds, and garages. Indoors , it can be found in undisturbed, cluttered areas in basements and crawl spaces.

Saint Andrew’s Cross Spider

Non-aggressive- Low Risk

  • Venom Toxicity– The bite of the St. Andrew’s Cross is of low rise (non-toxic) to humans. They are a non-aggressive group of spiders.
  • Spider Identification– Adult ¼” to ½” in body length. Abdomen striped yellow and brown. The St. Andrew’s Cross usually sits, upside down, in the middle of its web forming a cross.
  • Habitat– This spider is a web-weaver usually found in summer in garden areas around the home. It is considered beneficial as it spins a large web to snare flying insects, such as flies and mosquitoes.

Garden Orb-Weaving Spider

Non-aggressive- Low risk

  • Venom toxicity– The bite of Orb-Weaving spiders is of low risk (non-toxic) to humans. They are a non-aggressive group of spiders. Seldom bite. Be careful not to walk into their webs at night- the fright of this spider crawling over one’s face can be terrifying and may cause a heart attack, particularly to the susceptible over 40 years old.
  • Spider Identification– An adult is about 2/3 to more than 1 “ body length- has a bulbous abdomen- often colorful- dark to light brown pattern. The common Golden Org-Weaver spider has a purplish bulbous abdomen with fine hairs.
  • Habitat– Often found in summer in garden areas around the home, they spin a large circular web of 6 ft. or more, often between buildings and shrubs, to snare flying insects, such as flies and mosquitoes.