Insects troublesome to humans are the common housefly, Musca domestica (L.); some 10 species of mosquitoes of which the commonest is Culex pervigilans (Bergroth); sandflies, Simuliidae, such as Austrosimulium australense (Sch.) and A. ungulatum (Tonn.); the bed bug, Cimex lectularius (L.); flea, Pulex irritans (L.); crab louse, Phthirus pubis (L.); and the lice, Pediculus humanus capitis (De G.) and P. humanus (L.), although the last is said to be almost non-existent.

Pests of stock include the sheep ked, Melophagus ovinus (L.); the louse, Damalinia ovis (Schr.); the blowfly, Lucilia sericata (Mg.); and the biting fly, Stomoxys calcitrans (L.). Also present are the cattle tick, Haemaphysalis bispinosa (Neum.); the horse bot flies, Gasterophilus intestinalis (De G.) and G. nasalis (L.); the sheep nostril fly, Oestrus ovis (L.); the poultry mite, Dermanyssus gallinae (De G.); and the poultry “scaly leg” mite, Cnemidocoptes mutans (Rob. and Lang).