Asian needle ant

Brachyponera chinensis

Overview

Photo credit: Jesse Rorabaugh            
Brachyponera chinensis – Asian needle ant
Description:
  • A small ant with workers usually 4-5mm and queens slightly larger, around 6.5mm long
  • Slender, dark brown to black body with a distinctive smooth, shiny appearance
  • Long sharp mandibles
  • Stinger present on the rear of the abdomen

Habitat:
  • Can establish in disturbed urban environments, gardens and potentially forests

Origin and Distribution:
  • Native to East Asia
  • Now widely established in the Easten United States
  • A population was recorded in Naples in 2022 and near Lake Como in 2024

Impacts:
  • In invaded parts of North America, this ant has had strong negative effects on most native ant species
  • The ant can give a painful sting that, in some cases, can lead to anaphylaxis

Is it found in Northern Ireland?
  • It is not currently present in Northern Ireland

How could it get here?
  • It could be introduced accidently through the movement and trade of plants, soil and stone
  • Introduction could also take place via hitch-hiking in shipping containers or within other imported goods

Prevent Spread
  • Prevention via enforcing the IAS (Enforcement and Permitting) Order (Northern Ireland) ensuring that Brachyponera chinensis is not introduced to Northern Ireland
  • Reporting any sightings so that Rapid Response can be instigated

You can help by reporting any sightings: @ the Centre for Environmental Data & Recording (CEDaR) - Or via the iRecord App.  
Current legislative position (Listed on 07 August 2025)                                                                                                        This species must not intentionally be brought into the Union; kept; bred; transported to, from or within the United Kingdom, unless for the transportation to facilities in the context of eradication; placed on the market; used or exchanged; permitted to reproduce, grown or cultivated; or released into the environment.
For further queries, you can contact the Invasive Non Native Species (INNS) Team in the Northern Ireland Environment Agency on 028 9056 9558 or Email: invasivespecies@daera-ni.gov.uk    

Invasive Species Northern Ireland