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The genus Jacotia has been known from a single species, J. elegiae Faure, described from Cape Province, South Africa. Three new species of this genus are described from Australia: J. glyptus sp.n. from Canberra, J. idaeus sp.n. from eastern New South Wales and Queensland, and J. palmerae sp.n. from the south-western area of the Simpson Desert in South Australia, These are small, fungus-feeding species living at ground level. Two species vibrate their anal tube vigorously when disturbed.