Serafim, I.R., Santos, J.C. and Ferreira, R.L. 2026. Ghosts of subterranean waters: two new troglobitic species of Spelaeometra D. Polhemus & Ferreira, 2018 (Heteroptera: Hydrometridae) from Brazil, with remarks on the enigmatic species Cephalometra pallida D. Polhemus & Ferreira, 2018. European Journal of Taxonomy. 1077, (Jul. 2026), 1–28. DOI:https://doi.org/10.5852/ejt.2026.1077.3306.