Rhytidoponera ant forages under a citrus leaf. She has been consuming a liquid of some kind but I could not find any honeydew producers nearby, only the oil glands of the lemon leaf you can see at her feet. It's not clear to me if these ants collect citrus oil. Kyogle, NSW.
Rytidoponera ant forages on a citrus leaf., Kyogle, NSW.
Notoncus ectatommoides cleaning itself while foraging in the grass. These ants have very distinctive protuberances on their backs. Rules Beach, QLD.