Review of the Elmidae of Ecuador with the description of ten new species (Coleoptera: Elmidae) Author Monte, Cinzia Author Mascagni, Alessandro text Zootaxa 2012 3342 1 38 journal article 10.5281/zenodo.281409 d2b4eac6-3c5e-4976-962f-b7946164a640 1175-5326 281409 Stenhelmoides antennarius Spangler & Perkins, 1989 Stenhelmoides antennarius Spangler & Perkins, 1989 : 20 ; Jäch & Kodada, 2010 (web site); Passos et al. , 2010: 542. ECUADOR : Napo, Lago Agrio ( 5 km N) [ Spangler & Perkins, 1989 ] General distribution: Ecuador .