Australian Diplectroninae reviewed (Insecta: Trichoptera), with description of 21 new species, most referred to a new genus Author Wells, Alice Author Contents, Arturs Neboiss Table Of text Zootaxa 2018 2018-04-27 4415 1 1 44 journal article 30163 10.11646/zootaxa.4415.1.1 c803bce9-4469-43db-8acd-8291d035b6a2 1175-5326 1241736 5DAA824F-BCBD-47FF-9948-F7EC45829AEB Key to adult males of Diplectroninae genera in Australia 1. Forewing fork 2 footstalk present...................................................... Smicrophylax Neboiss * -. Forewing fork 2 sessile or stalk very short (e.g., Figs 1 , 23, 24 , 49 , 77 , 102 )....................................... 2 2(1) In genitalia, coxopodite of each gonopod with mesal process (e.g., Figs 53 , 59, 68)................... Austropsyche Banks -. In genitalia, coxopodites of gonopods without mesal processes (e.g., Figs 3 , 45, 104 , 113)............................ 3 3(2) Dorsal head with paired anterolateral warts never more than partially and indistinctly divided ( Figs 17–21 ); abdominal seg- ments IX and X partially or fully fused and with or without pair of simple lateral processes; phallus with or without sclerotised spines or numerous fine spicules distally (e.g., Figs 3 , 42), without parameres.................... Diplectrona Westwood -. Dorsal head with paired anterolateral warts clearly divided by distinct suture ( Figs 146–150 ); abdominal segments IX/X usu- ally with lateral processes, often 2 pairs and sometimes very elaborate; phallus without spicules or sclerotised spines (e.g., Figs 106 , 136), with or without basal parameres (e.g., Figs 106 , 121, 123, 160 )........................ Arcyphysa gen. nov.