fire ant
US /ˈfaɪər ænt/
UK /ˈfaɪər ænt/

1.
ognista mrówka
a small, aggressive, reddish-brown ant that inflicts a painful, burning sting and is native to South America but has been introduced elsewhere.
:
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Be careful where you step; there might be a fire ant nest nearby.
Uważaj, gdzie stąpasz; w pobliżu może być gniazdo ognistych mrówek.
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The park was closed due to an infestation of fire ants.
Park został zamknięty z powodu inwazji ognistych mrówek.