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 Ecnomus cuspidus Cartwright 1990 Ecnomus cuspidus Cartwright 1990: 12 , figs 26, 27. Material examined. Northern Territory . 1 male , Peel Ck, 16 Apr 2015 , P. Dostine; 2 males , Amy Ck, 20 Apr 2015 , P. Dostine; 2 males , same loc. and coll., 15 Jun 2015 ; 1 male , same loc. and coll., 21 Jul 2015 ; 4 males , same loc. and coll., 9 Mar 2016 ; 1 male , same loc. and coll., 10 May 2016 ; 1 male , same loc. and coll., 28 Mar 2017 ; 2 males , Magela Ck, site 1, 30 May 2017 , P. Dostine; 1 male , Berry Ck, 22 Aug 2017 , P. Dostine; 4 males , Gulungul Billabong, 30 May 2019 , P. Dostine (all FFD ) . Remarks. Ecnomus cuspidus was previously commonly recorded from northern NT, WA and eastern Queensland ( Cartwright 1990 ). Nineteen males are recorded from a further five sites in the NT.