grease ant

US /ˈɡriːs ænt/
UK /ˈɡriːs ænt/
"grease ant" picture
1.

a small, dark brown ant (Monomorium minimum) that is attracted to greasy foods and often found in kitchens and pantries

:
We found a trail of grease ants leading to the spilled sugar.
Grease ants are a common pest in many households.