Brown (native species) or black and yellow. Slender with small waist. Legs dangle in flight. Paper nests with clusters of hexagonal cells under branches or eaves. Not usually aggressive but will defend nest. 10–15mm long (native) or 22mm (exotic). Emergency measures
Get away from wasp or nest as they can sting repeatedly. Wash with soap and warm water, pat dry and use antiseptic cream or powder. Apply cold pack. Use pain-relief medication if needed. Take antihistamine if swelling or itching persists. Call 000 if severe allergic reaction occurs. Lingering effects
Immediate sharp, burning pain, reducing after a few hours. A reddened welt may appear with a small, white mark where the skin has been pierced. Allergic reactions include extreme redness, swelling and nausea persisting for days. Action needed?
If the nest is at a safe distance, avoid disturbing it, or call a pest control expert or use a registered insecticide, following instructions.