How to Keep Daddy Long Leg Spiders Away

Written by y.t. lin
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Daddy long legs, a common name for harvest spiders or harvestmen, belong to the class Arachnida. They resemble true spiders but have only two eyes, segmented oval abdomens and exceptionally long, thin legs. Daddy long legs often live together as a group. They are omnivorous and are beneficial to the environment by feeding on small, harmful insects. Daddy long legs also eat organic matter and plant juices. If your house is heavily infested with daddy long legs or they really bother you, there are some things you can do to keep them away.

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Things you need

  • Caulk
  • Vacuum cleaner
  • Duster
  • Boric acid (Borax)
  • Spider traps

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  1. 1

    Block entry points. It is impossible to seal your house completely because there will always be crevices that spiders can crawl in, but you can reduce the chances of daddy long legs entering the house by caulking cracks in your walls, foundation and loose window frames.

  2. 2

    Use a vacuum attachment to suck up any daddy long leg spiders and their webs. To find these spiders, look at wall corners, undersides of furniture, floors beneath appliances, crevices along the baseboards, closets, and around windows and curtains.

  3. 3

    Dust the home's interior thoroughly and frequently to rid any dead insects, insect parts and other organic matter. Insects attract daddy long leg spiders as they are what the spiders eat. Daddy long legs also eat other kinds of spiders, so be sure to get rid of any other spiders. Keeping your house clean at all times will eliminate the harbouring of insects.

  4. 4

    Repair leaking pipes and faucets both indoors and outdoors. Just like other insects, daddy long legs prefer moist environments. Keep downspouts away from the exterior wall, and the foundation area as dry as possible to limit water sources.

  5. 5

    Sprinkle a defence line of boric acid powder under doorways, around the window sills, along the baseboards and under appliances where spiders hide. Boric acid is a safer alternative to residual insecticide as it cannot harm humans and pets. Boric acid is a common ingredient in household cleaning products. Boric acid is individually packaged in boxes and can be found at stores that sell washing powder.

  6. 6

    Put spider traps where you have frequently seen daddy long leg spiders. Traps contain bait that lures the spiders to enter. The glue inside the traps stick the spiders in. These traps are sold at your local chemists.

Tips and warnings

  • Daddy long leg spiders have tiny mouth parts and do not bite humans. Their fangs are too weak to pierce through human skin. Focus on eliminating the more harmful insects in your house instead, and the daddy long legs will eventually go away.

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