Updated checklist of caddisflies (Insecta: Trichoptera) from the state of Piauí Northeast Brazil, including a new species and new geographical records Moreno, Lucas A. S. Desidério, Gleison Robson De Souza, Wagner Rafael M. Lima, Lucas R. C. Zootaxa 2020 2020-08-26 4838 2 257 272 Thomson & Holzenthal 2012 Thomson & Holzenthal 2012 [151,866,510,537] Insecta Hydroptilidae Oxyethira Animalia Trichoptera 9 266 Arthropoda species bettyae Tanytrichia   Material examined.   Brazil: Piauí:  Coivaras, Riacho do Boi, Cachoeira da Campeira, 05°11’45,1” S, 42°15’33,9 W,  177m), 2 males, 27. VI .2017, L.A.S. Moreno& L. R.  C. Limalegs., Pennsylvania insect light trap( CEHJ);  Brasileira, Riachodos Cavalos, Cachoeira do Bota Fora, 04°12’51.1”S, 41°40’01.7”W, el.  162 m, 1 male,  15.xii.2018, L. R. C. Limaleg.,  Pennsylvania insect light trap( CEHJ).  Known distribution. BRAZIL( Pernambuco) and VENEZUELA. 3020148319 VI Brazil Coivaras 177 -5.1958613 Cachoeira da Campeira 1 -42.25942 Riacho do Boi 9 266 2 2 Piaui 3020148404 [494,827,582,609] R L. A. S. Moreno Brazil 9 266 1 Piaui 3020148395 2018-12-15 CEHJ, R C. Lima & Brasileira Brazil Riacho 162 -4.2141943 Cachoeira do Bota Fora 1 -41.66714 Cavalos 9 266 1 1 Piaui 3020148325 [543,970,654,681] CEHJ Brazil 9 266 1 Piaui