A carpenter ant visits an extrafloral nectary on a leaf stem of an invasive Melia azederach tree. Austin, Texas, USA.
Bicolored pennant ant workers gather nectar from glands of an invasive mallow. Some plants use nectar to attract ants as a defense against herbivorous insects, as ants also eat insect eggs and caterpillars. Orlando, Florida, USA
A desert acrobat ant gathering nectar from a cholla cactus. Tucson, Arizona, USA
