savannah spiny sugar ant polyrhachis schistacea eating nectar from a euphorbia milii crown of thorns flower, pilansburg, north

africa ant antennae background black brown bug camouflage crown drinking eating euphorbia eyes farming fauna feelers flora flower foliage food formicidae green insect invertebrate leaves legs macro milii mimicking mouth nature nectar north parasites pest pilansburg plant plants polyrhachis province savannah schistacea south spiny stem sugar thorns west yellow