Ant nest beetle Ant nest beetle Ant nest beetles (subfamily Paussinae) or paussines, some members of which are known also as flanged bombardier beetles, are a large subfamily within the ground beetles (Carabidae). The tribes Metriini, Ozaenini, Paussini and Protopaussini are included in the subfamily. Rarely seen, most Paussinae are obligate or facultative myrmecophiles, living within the nests of ants, predatory on ant larvae and workers. Many have elaborate antennal structures and body parts flattened. Paussines are moderate sized (6–20 mm), characterised by glandular hairs that produce secretions attractive to ants and by the odd antennal structures of many species. Their pygidial glands
Green-head ant seeds they feed on approximately away from their nests in both unburned and burned habitats. In some cases, the seeds of "Adriana quadripartita" are dispersed much farther; the green-head ant accounts for 93% of all ants that collect these seeds and can disperse them as far as . One study shows that the green-head ant, along with "Aphaenogaster longiceps", removed the highest number of seeds and discarded them on top of their nest, with a few remaining several centimetres under the nest. Most seeds dispersed by the green-head ant and "A.longiceps" are eventually eaten by "Pheidole" ants. Since the seeds