Five new species and new records of caddisflies (Insecta: Trichoptera) from Australia’s ‘ Top End’ Author Cartwright, David I. 13 Brolga Crescent, Wandana Heights, Vic 3216, Australia. Author Dostine, Peter Department of Environment, Parks and Water Security, PO Box 496, Palmerston, NT 0831, Australia. text Zootaxa 2022 2022-05-18 5138 3 283 304 journal article 55477 10.11646/zootaxa.5138.3.4 456f68b2-d5a3-406f-b4d4-f3610cfc11f9 1175-5326 6559737 E516B443-1E3B-4A6E-B8F3-E24FD80F2610 Neboissomina riyala Cartwright 2011 Neboissomina riyala Cartwright 2011: 23 , figs 18–20, 28. Material examined . Northern Territory . 1 male (DC285), Roper River , sample 3 (3.4), 16 Oct 2014 , P. Dostine ( MVM ) ; 7 males , Roper R ., McMinn Stn , 26 Aug 2014 , P. Dostine; 6 males , same loc. and coll., 17 Sep 2014 ; 1 male , same loc. and coll., 18 Sep 2014 ; 3 males , same loc. and coll., 16 Oct 2014 ; 2 males , same loc. and coll., 14 Sep 2015 ; 1 male , same loc. and coll., 10 Nov 2015 ; 1 male , Peel Ck , 19 Jan 2015 , P. Dostine; 2 males , same loc. and coll., 9 May 2016 ; 1 male , same loc. and coll., 6 Jun 2016 ; 1 male , same loc. and coll., 3 Jan 2017 ; 1 male , same loc. and coll., 26 Apr 2017 ; 1 male , Berry Ck , 17 Mar 2015 , P. Dostine; 3 males , same loc. and coll., 16 Apr 2015 ; 1 male , same loc. and coll., 17 Aug 2015 ; 1 male , same loc. and coll., 6 Apr 2016 ; 1 male , same loc. and coll., 6 Jun 2016 ; 1 male , same loc. and coll., 5 Jul 2016 ; 2 males , same loc. and coll., 3 Aug 2016 ; many males, Blackmore R ., many dates between 17 Mar 2015 – 26 May 2017 , P. Dostine; 12 males , Radon Springs , 24 Apr 2015 , P. Dostine; 9 males , same loc. and coll., 19 May 2015 ; 8 males , same loc. and coll., 22 Sep 2017 ; 3 males , Anniversary Ck , 9 May 2015 , P. Dostine; 1 male , Umbrawarra Gorge , 21 May 2015 , P. Dostine ; many males, Berry Springs , TWP, many dates between 16 Jun 2015 – 22 Aug 2017 , P. Dostine; 3 males , Darwin R ., 7 Feb 2016 , P. Dostine; 7 males , Petherick’s Ck , 6 Jun 2015 , P. Dostine; 1 male , same loc. and coll., 30 Apr 2017 ; 4 males , Finniss R ., 5 May 2019 , P. Dostine; 3 males , Bamboo Ck , 26 May 2019 , P. Dostine; 5 males , same loc. and coll., 17–18 Sep 2020 ; 5 males , unnamed creek near Surprise Falls , 20–21 Aug 2020 , P. Dostine; 1 male , Little Fitzmaurice R ., 12 May 2017 , P. Dostine; 1 male , Ikymbon R ., 13 May 2017 , P. Dostine; 2 males , Sandy Billabong , 26 May 2017 , P. Dostine; 10 males , Gunlom Falls , 1–2 Aug 2017 , P. Dostine; 2 males , Gunlom Falls , pool, 30 Jul 2018 , P. Dostine; 2 males , Gunlom Falls , 31 Jul 2018 , P. Dostine; 15 males , same loc., 29 Aug 2019 , P. Dostine; 1 male , Edith Falls , 1 Aug 2018 , P. Dostine; 2 males , same loc., 2 Aug 2018 , P. Dostine; 3 males , Anniversary Ck , 7 Nov 2018 , P. Dostine; 4 males , Robin Falls , 7 Nov 2018 , P. Dostine; 1 male , Howard R ., 3 Apr 2019 , P. Dostine; 1 male , same loc. and coll., 2 May 2019 ; 1 male , Gulungul Billabong , 30 May 2019 , P. Dostine; 10 males , Edith Falls , 1 Aug 2019 , P. Dostine; 14 males , Kubara Ck , 4 Sep 2019 , P. Dostine (all FFD ) . Remarks. Neboissomina riyala was previously recorded from the NT (13 localities) ( Cartwright, 2011 ). This common NT endemic species is recorded now from many sites in the NT.