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 Austropsyche Banks 1. Phallus bulbous distally, narrowly truncate and sclerotised apically; sharp, sclerotised, ventrally curving spine arising apicolaterally on abdominal segments IX/X, and second thread-like sclerotised process arising from internal apodeme ( Fig. 67 ); mesal process on coxopodite of each gonopod about half length of its harpago ( Figs 66–67 , 94 )...... Austropsyche morana sp. nov . -. Phallus not bulbous distally, without sclerotised apex; abdominal segments IX/X with or without membranous plate or lobe apicolaterally, but without apicolateral sclerotised spine; mesal process on each coxopodite variable in length (e.g., Figs 52 , 59, 63)................................................................................................. 2 2(1) Gonopods each with mesal process stout, apically roughly truncate, basal on coxopodite ( Figs 68–69 , 90–91 ).......................................................................................... Austropsyche kaputar sp. nov . -. Gonopods each with mesal process narrow, conical or slender, curving to acute or irregular apex, apical or sub-apical on coxopodite (e.g., Figs 52 , 59, 63)............................................................................ 3 3(2) Forewings each with median cell equal in length to discoidal cell ( Figs 50 , 78 ); gonopods each with mesal process apical on coxopodite ( Figs 59, 61 , 92, 93 ); with pair of slender sclerotised spines projecting distally ( Figs 59–60, 61–62 , 92–93 ), without short sclerotised spines subapically on phallus.............................................................. 4 -. Forewings each with median cell about 1.3x length of discoidal cell (e.g., Figs 49 , 77 ); gonopods each with mesal process sub- apical on coxopodite; without pair of slender, elongate, sclerotised spines as above (e.g., Figs 52 , 63–65), but with short sclerotised spines on phallus (e.g., Figs 53, 56 , 63–64, 87–88)....................................................... 5 4(3) Gonopods each with mesal process about 3/4 length of harpagone, slender, acute apically; small conical tubercle between mesal process and harpago ( Figs 59 , 92 )............................................. Austropsyche acuta sp. nov . -. Gonopods each with mesal process no more than half length of harpagone, variably blunt or pointed apically; without small conical tubercle between mesal process and harpago ( Figs 61–62 , 93 ).................... Austropsyche ambigua sp. nov . 5(3) Gonopods each with mesal process on coxopodite short, irregular in shape; sclerotised spines on phallus in ventral view straight; in ventral view, small rounded plate visible dorsal to gonopods, in lateral view apicomedial margin slightly produced ( Figs 63–65 , 88–89 )........................................................ Austropsyche bifurcata (Kimmins) -. Gonopods each with mesal process on coxopodite short, conical and apically acute in ventral view; sclerotised spines on phallus in ventral view curved; apex of phallus membranous, sometimes protruded; in ventral view membranous plates lateral to gonopods mesally produced posterad, in lateral view forming irregular midapicolateral lobe ( Figs 53–55 , 84–87)...................................................................................... Austropsyche victoriana Banks