July 6, 2025

Bee and Wasp Safety

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By Safety Team

Prevent stings and allergic reactions by learning to identify nests, avoid attracting stinging insects, and respond quickly when someone on your crew is stung.

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Bee and Wasp Safety

Prevent stings and allergic reactions by learning to identify nests, avoid attracting stinging insects, and respond quickly when someone on your crew is stung.

1

If someone on your crew went into anaphylaxis right now, do you know where the nearest epinephrine auto-injector is, whether it is expired, and how to use it?

2

What areas in your current work environment are most likely to harbor hidden nests -- and when was the last time anyone actually inspected those spots before starting work?

3

How would you handle a situation where a coworker insists on knocking down a wasp nest themselves instead of calling pest control -- what would you say and who would you escalate to?

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What is Bee and Wasp Safety?

A utility crew was replacing a transformer on a wooden pole in rural Georgia when a lineman reached into a cavity behind the crossarm and disturbed a paper wasp nest. He was stung eleven times on his hands and neck before he could descend. Within three minutes his throat began swelling -- he was severely allergic and had never been tested. A coworker administered an EpiPen from the truck's first aid kit while another called 911. He survived, but spent two days in the hospital. The nest had been visible from the ground, but no one had looked up and scanned before climbing.

Bee and wasp safety is the practice of identifying stinging insect hazards before work begins, minimizing attractants, and having a medical response plan ready for allergic reactions. It applies to any outdoor work environment where ground nests, aerial hives, or sheltered colonies may be present in equipment, structures, or vegetation.

Key Components

1. Pre-Work Identification and Avoidance

  • Scan the work area for nests before starting -- check eaves, equipment cavities, underground burrows, hollow poles, meter boxes, and dense shrubs within your work radius.
  • Watch for flight patterns: a steady stream of insects entering and leaving a single point indicates a colony, even if the nest itself is not visible.
  • Schedule high-disturbance work (mowing, trenching, demolition) for early morning or late evening when stinging insects are least active and temperatures are cooler.
  • Mark discovered nests with flagging tape and establish a 20-foot exclusion zone until a licensed pest control professional can remove them -- do not attempt removal yourself.

2. Reducing Attractants and Exposure

  • Avoid wearing strong fragrances, scented sunscreen, or brightly colored clothing when working outdoors in warm months -- these attract bees and wasps to you personally.
  • Keep food, open drink cans, and trash sealed and stored away from the work area; wasps are aggressive scavengers drawn to protein and sugar.
  • Wear light-colored, smooth-fabric long sleeves and pants to reduce exposed skin -- loose, dark, or fuzzy clothing triggers defensive behavior in many stinging species.
  • If a single bee or wasp approaches you, remain still or move away slowly; swatting and rapid movement provoke defensive stinging and can trigger alarm pheromones that recruit the entire colony.

3. Emergency Response for Stings

  • Know which crew members have known allergies and confirm that their prescribed epinephrine auto-injectors are on-site, accessible, and not expired before each shift.
  • For a non-allergic sting, scrape the stinger out sideways with a flat edge (credit card, knife blade) rather than pinching it, which squeezes more venom into the wound.
  • Recognize anaphylaxis signs immediately: swelling of the face, lips, or throat; difficulty breathing; rapid pulse; dizziness; or widespread hives -- administer epinephrine and call 911 without delay.
  • After any mass-sting event (more than ten stings) or any sting to the mouth or throat, treat it as a medical emergency regardless of allergy history -- venom load alone can cause systemic reactions.

Building Your Safety Mindset

  1. Assume Nests Are Present Until You Prove Otherwise

    • Every outdoor work area in warm months should be treated as potential stinging-insect habitat until you have physically inspected it.
    • Nests grow quickly -- a location that was clear two weeks ago can have an active colony of several hundred wasps today.
    • Make nest scanning as automatic as checking for overhead power lines: a 60-second visual sweep before unloading tools costs nothing and prevents everything.
  2. Know Your Own Medical Status

    • If you have never been tested for venom allergy, understand that any previous sting without reaction does not guarantee future safety -- sensitization can develop after repeated exposures.
    • Carry your own epinephrine auto-injector if prescribed, and make sure at least two coworkers know where it is and how to use it.
    • Report every sting to your supervisor, even minor ones, so the location is documented and your reaction history is on record for future medical decisions.
  3. Respect the Insect, Control the Situation

    • Stinging insects are defensive, not predatory -- almost every workplace sting results from accidentally disturbing a nest or attracting foragers with food and scent.
    • When you find a nest, the professional response is to stop, back away, mark, and report -- not to spray it with a hose or knock it down with a stick.
    • Teaching newer workers to stay calm around stinging insects is a genuine safety skill; panic causes more injuries than the insects themselves.

Discussion Points

  1. If someone on your crew went into anaphylaxis right now, do you know where the nearest epinephrine auto-injector is, whether it is expired, and how to use it?
  2. What areas in your current work environment are most likely to harbor hidden nests -- and when was the last time anyone actually inspected those spots before starting work?
  3. How would you handle a situation where a coworker insists on knocking down a wasp nest themselves instead of calling pest control -- what would you say and who would you escalate to?

Action Steps

  • Inspect your current work area for nests, paying special attention to equipment enclosures, overhead structures, ground holes, and dense vegetation within 20 feet of your tasks.
  • Confirm that your crew's first aid kit contains at least one non-expired epinephrine auto-injector and that two or more people on-site know how to administer it.
  • Ask every crew member today whether they have a known allergy to bee or wasp stings and document the answers on your site safety log.
  • Remove or seal all open food containers, drink cans, and trash from the immediate work area to reduce wasp attraction.

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