black garden ant
US /blæk ˈɡɑːrdn ænt/
UK /blæk ˈɡɑːrdn ænt/
1.
a common species of ant (Lasius niger) found in gardens and often nesting under paving stones, known for its black color and foraging habits
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We found a nest of black garden ants under the patio.
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The black garden ant is a common pest in homes.