Taxonomic status and distribution of Australian caddisflies (Insecta: Trichoptera)

This review of the status Australian caddisflies focuses on publications from 1982 to 2022. Information is provided new species described in that period, keys, descriptions both adults and larvae, distribution families genera states/regions Northern Territory. Australia’s caddisfly fauna now totals 27 families, 111 868 species, with 97.9% endemic Australia (only 19 are known outside Australia, mainly nearby island New Guinea – Papua Province, Indonesia); some also extend into Zealand South-East Asia. The biogeography discussed briefly terms “northern” “southern” faunal elements, provinces, distributional barriers, areas highest biodiversity refuge areas. southern elements Trichoptera indicated. recorded following states/regions: South Wales 263 northern Queensland (N-Qld) 248 Victoria 247 species. endemicity Western (S-WA), 73% followed by N-Qld 58% Tasmania 57%. lowest numbers have been S-WA, 42 49 respectively.