Four new species of Agaue (Acarina: Halacaridae) are described from the Gre
at Barrier Reef Marine Park, namely Agaue aliena, Agaue bella, Agaue galate
a, and Agaue reichelti. These species, collected from algae, dead coral, an
d coarse sediment, bring the total number of Agaue species known from Austr
alia to ten and the number of Agaue species known from tropical regions to
ten.