Wasp, Bee or Carpenter Bee? A Hong Kong Identification Guide

Wasps and hornets: slim, smooth, narrow-waisted

• Look: slender, smooth body with little to no hair, and a distinctly narrow "wasp waist"; usually banded yellow-black or brown-black.
• Behaviour: noticeably defensive near the nest, especially with vibration or when the entrance is blocked; less aggressive while foraging away from the nest.
• Sting: the stinger lacks the honey bee's anchoring barb, so a wasp can sting multiple times without leaving anything behind.
• Where they turn up: under eaves, on top of air-conditioning units, in trees, ceiling voids, under canopies.

Honey bees: hairy, stockier, one sting and gone

• Look: shorter, stockier body with visible fuzz, usually golden-brown, without a wasp's exaggerated narrow waist.
• Behaviour: generally docile while foraging among flowers away from the hive, and rarely sting unless directly threatened or the hive is disturbed.
• Sting: barbed — it stays lodged in the skin after stinging, which means a honey bee can only sting once in its life.
• Where they turn up: tree hollows, gaps in walls, nests under canopies with visible wax honeycomb.

Carpenter bees: large, glossy, loud but gentle

• Look: noticeably larger than typical bees, mostly solid glossy black-blue with a metallic sheen (some show pale yellowish hair on the thorax).
• Behaviour: their flight buzz is loud and can be startling, but they're generally gentle and rarely sting; often seen hovering around gardens, wooden railings and canopies while foraging or boring into timber.
• Sting: males have no stinger at all, and females, while capable of stinging, are docile and rarely do.
• Where they turn up: unpainted wooden canopies, railings, furniture — they bore round holes into timber to nest.

Nest shape as another clue

• Open paper comb, hexagonal cells visible with no outer shell → usually an early-stage wasp or hornet nest.
• Grey papery "ball", oval-shaped with a wavy-textured surface and an opening at the bottom → common for wasp/hornet colonies, growing larger through the season.
• Waxy honeycomb, with bees repeatedly entering and exiting the same gap or wall cavity → typically a honey bee colony; the comb itself looks yellow-brown and glossy.
• Individual round holes drilled into bare wood, with no overall "nest" shape → carpenter bees boring in, usually one bee per hole.

What's actually dangerous, and what isn't

Risk isn't about which insect looks scarier — it's about your distance from a nest and how agitated the colony is:

• Higher risk: standing near a nest entrance, vibration that disturbs a nest (renovation work, tree trimming, banging on a surface), and the autumn peak roughly August to October when colonies are largest and most defensive.
• Lower risk: a single bee or wasp foraging near flowers or a bin, with no cluster repeatedly entering and exiting one spot — generally leave it alone and it will move on.
• If you find a nest, don't poke it with a pole, spray insecticide at it through a window, or use fire — any of these can trigger the whole colony to defend at once.

Once you've worked out what kind of insect it is and confirmed there's a nest, the next question is who's responsible for removing it — that's covered in detail in our wasp nest removal guide, including when FEHD handles it and when you need to arrange removal yourself.

What to do if you spot one

• Keep your distance and back away slowly — don't swat or wave your arms, since sudden movement and vibration are what typically trigger a defensive response.
• If you find a nest, take a photo from a safe distance rather than approaching it for a closer shot.
• Not sure what you're looking at, or whether there's a nest nearby? WhatsApp us a photo and we'll take a free look.
• If you've been stung: a cold compress is fine for a single sting; if you've been stung multiple times, or you're prone to allergic reactions, seek medical attention promptly.