Insect & Spider Bites Each year many workers experience insect and spider bites serious enough to make them lose time off the job. If you are stung by a bee, remove the stinger gently (with tweezers, if possible) and avoid squeezing the poison sac.  Apply an ice pack or a cloth dipped in cold water to reduce swelling and itching.  A sting from a yellow jacket can be deadly.  These insects feed on dead animals and can cause blood poisoning.  If you have an allergic reaction to a bite, get medical help immediately. Of spiders causing serious medical problems only the black widow...