Spiders

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Spiders
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Black Widow Spiders

• Genus Latrodectus
• Phylum Arthropoda
• Sub Phylum Chelicerata
• Order Araneae
• Sub OrderLabidognatha
• Family Therididae
• Species 6

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Black Widows

• Considered Most Venomous Spider in North America.
• Males and Juveniles are Harmless
• Rarely Deadly to Adults
• Identifiable by Red Hourglass Shape on Belly.

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Geography of the Black Widow

• 45 degrees North
• 45 degrees South
• Mountains
• Deserts
• Africa
• Americas
• All over the World

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Black Widows Cont.

• Cobweb Weaving Spider
• All Widows are Venomous
• 6 Species
• L. Hesperus Found in Western U.S.
• L Mactans found in Eastern and Central U.S.

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Where Are They Found?

• Seldom Used Areas
• Small Dark Locations
• Under Trash Cans
• Attics
• Shoes Left out overnight
• Closets
• Seldom Disturbed Material Piles

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Black Widow Spiders

• NO pain is felt at first
• spider bite gives the appearance of a target with
  a pale area surrounded by a red ring.
• Severe muscle pain and cramps may develop in the
  first two hours
• Severe cramps are usually first felt in the back,
  shoulders, abdomen and thighs.
• Other symptoms include weakness, sweating,
  headache, anxiety, itching, nausea, vomiting,
  difficult breathing and increased blood pressure.
  Young children, the elderly and those with high
  blood pressure are at highest risk of developing
  symptoms from a black widow spider bite.

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Black Widow Spiders

• When Bit
• Dont Panic!
• No One in U.S. Has died from a Black Widow Bite
  in 10 years.
• Often no venom is injected.
• Clean wound with soap and water.
• If symptoms develop take victim to hospital. Or
  call Poison Control 1-800-222-1222

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Brown Recluse Spider

• Brown Recluse Spider AKA
• Araneae Loxascelidae, Loxosceles Reclusa
• Violin Spider
• Fiddleback Spider

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Brown Recluse Spiders

• Look Similar to Wolf Spiders
• Top Picture Brown Recluse
• Six Eyes
• Three Pairs

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Brown Recluse Spiders

• Spin Small Irregular Webs
• Commonly Found
• Under Bark
• Under Stones
• Other Secluded Places
• Very Poisonous Venom
• Piles of Clothes
• Closets
• Shoes Left Out Overnight

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Brown Recluse Spiders

• Commonly Found
• Basements
• Attics
• Garages
• Indoor Storage Areas
• Old Clothes
• Toys
• Boxes
• Transport Trucks
• Tool Sheds
• Etc

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Brown Recluse Spider

• When Bit
• Victim Feels Ill
• Wound Slow to Heal
• Venom Breaking Down Tissue
• Seek Immediate Medical Attention
• If Left Untreated Amputation may be necessary

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Brown Recluse Spider

• When Bit
• Pain Takes Time To set In
• 6-8 Hours
• Postule Forms after 12 Hours
• Surrounding Tissue Darkens

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Brown Recluse Spider

• When Bit
• Systemic Reaction in 24-36 Hours
• Fevers
• Chills
• Nausea
• Joint Pain
• Kill and Take Spider to Physician

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Brown Recluse Spider

• Geography of the Brown Recluse
• American Southeast and Midwest
• Alabama
• Florida
• Georgia
• Texas
• Kansas
• Missouri
• Oklahoma

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Spider Safety

• When Working Where Spiders Might Be Present
• Wear Gloves
• Pay Attention to What You Are Doing
• Remove Materials Where They Might Hide
• Check Shoes If Left outside overnight

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Spider Safety In Construction

• J.I.T. (Just In Time) Delivery
• Reduces Spider Habitat
• Use Caution When Working In Spider Habitat
• Attics, Outdoors, Woodpiles, Small Dark Places
• Use Pesticides

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Spider Control

• Pesticides
• Treat Outside Perimeter of Building
• Treat Under appliances, sinks, corners of
  closets.
• Demon WP
• Effective against Black Widow and Brown Recluse
• Can be used where children and pets stay
• Allow 1 hour after spraying before re-entry.

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Spider Control

• Non-Chemical
• Eliminate or Shield Outdoor Lights that Attract
  Flying Insects
• Trim weeds around building foundation and remove
  debris to discourage insect life.
• Seal openings and install screens.
• Use a vacuum to remove webs, spiders, and egg
  sacs.
• Underfoot Sandals Or Shoes Used to Crush Spiders