Workers feed from the extrafloral nectary of an Inga tree. Mindo, Ecuador
An Inga tree offers up nectar to a Dolichoderus bispinosus forager. Armenia, Belize
Some plant species attract ants with special nectar-producing glands. It is thought that ants help protect the plant from herbivorous pest insects, so the arrangement is beneficial for both ants and plants. Here, a Crematogaster cerasi forager feeds from a leaf nectary of an Ailanthus tree of paradise. Champaign, Illinois, USA
