Pest Library
Pest Profile

Spiders

Most are harmless. The dangerous ones, we know.

Identification

Most South Texas spiders (wolf, jumping, orb weavers) are harmless. The two medically significant species are the brown recluse (small, violin-shaped marking) and black widow (shiny black with red hourglass).

Behavior & habitat

Recluses hide in undisturbed spots — closets, attics, shoes, behind furniture. Widows nest in garages, sheds, and outdoor clutter. Both bite only when pressed against skin.

Health & property risks

Recluse bites can cause necrotic tissue damage. Widow bites cause severe muscle pain, cramping, and sometimes systemic reactions.

Signs of infestation

  • Webbing in corners, garages, eaves, and outbuildings
  • Egg sacs (papery white spheres) in protected areas
  • Live spiders during inspections of closets and storage

Prevention tips

  • Reduce clutter in garages, closets, and storage areas
  • Shake out shoes, clothing, and bedding that have sat unused
  • Seal exterior cracks and install door sweeps
  • Remove webs regularly — it forces relocation

How Black Ops treats it

Direct treatment of webs and harborage zones, residual sprays in garages and attics, and full perimeter coverage to reduce prey insects.

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