Use forceps or a twig to move them rather than touching them if possible. UK Dept. of Entomology Earwigs can be found in warm, damp basements and garages. They have two tail-like appendages which look very much like tweezers. If mishandled, they may try to inflict a pinch, which can be painful. They may also spray a foul-smelling liquid as a means of defense.
All spiders have venom that is used to paralyze their prey.
The black widow spider is black with a red hourglass on the underside of the abdomen. The toxins will make people who are bitten very sick. Prompt medical treatment is recommended. The brown recluse is a light brown spider with a darker brown fiddle shape on its back. The toxins cause tissue surrounding the bite to die and rot.