The larva of Neoneura ethela Williamson, 1917 (Odonata: Protoneuridae) Author Souza, Luiz Onofre Irineu De Author Pepinelli, Mateus Author Neiss, Ulisses Gaspar text Zootaxa 2012 3318 63 67 journal article 10.5281/zenodo.281171 85584c0e-cc49-416f-80d2-7b57da637a27 1175-5326 281171 Key to known South American larvae of Neoneura 1 Two pairs of premental setae................................................................ Neoneura kiautai - One pair of premental setae.............................................................................. 2 2 S8–10 armed with spines on distal border; ventral border of lateral gill armed with a row of about 24 spines. Neoneura ethela - S5 or 6–10 armed with spines on distal border (including lateral carina of segments mentioned); ventral border of lateral gill armed with less than 20 spines...........................................................................3 3 Pronotum with lateral projection rounded; lateral gills as long as abdomen; ventral border of lateral gill armed with a row of 19 spines; posterior margin of prementum triangular; ovipositor armed with three spines on ventral margin and surpassing the end of S10.................................................................................. Neoneura joana - Pronotum with lateral projection sharp, lateral gills as long as S4–10 together; ventral border of lateral gill armed with a row of 11–12 spines; posterior margin of prementum rounded; ovipositor only with hair-like setae on ventral margin and reaching the end of S10............................................................................ Neoneura fulvicollis