The genus Elaphopsocus Roesler (Psocodea:`Psocoptera´: Psocidae) with six new species from Brazil and Colombia Author Román-P, Cristian Author Obando, Ranulfo González Author García Aldrete, Alfonso N. text Zootaxa 2015 3957 2 151 168 journal article 10.11646/zootaxa.3957.2.1 9d90cfeb-14d2-4a35-b147-2b7db165c719 1175-5326 235152 72D847AC-1D58-47D0-9D82-736B219C23BC Key to the species of Elaphopsocus [males] 1. Hypandrium simple, without posterior projections............................................................ 2 -. Hypandrium bearing a long posterior projection on each side ( Figs 48, 49 )............................ E. roesleri n. sp. 2. Posterior angle of pterostigmal apex not rounded, "v" shaped ( Fig. 52 )........................................... 3 -. Posterior angle of pterostigmal apex rounded ( Fig. 53 )....................................................... 5 3. Aedeagal arch straight posteriorly ( Fig. 36 ). Epiproct with a field of papillae posteriorly. Clunium with a field of papillae over the area of the epiproct ( Fig. 33 )............................................................ E. bahianus n. sp. -. Aedeagal arms not forming an arch. Clunium and epiproct not papillose.......................................... 4 4. Aedeagal arms bent in the middle at an angle of 90º; phallobase more than half the length of the phallosome ( Fig. 30 )............................................................................................... E. rayoi n. sp. -. Aedeagal arms bent distally at an angle of about 50º; phallobase less than half the length of the phallosome ( Fig. 18 )............................................................................................. E. gorrones n. sp. 5. Phallosome with aedeagal arms deeply cleft. External parameres sigmoid ( Fig. 41 ).................. E. amazonicus n. sp. -. Phallosome with external parameres slender or dilated distally.................................................. 6 6. Phallosome with external parameres antler-like ( Fig. 51 )................................. E. glaphyrostigma Roesler -. Phallosome with external parameres dilated posteriorly, bearing on inner side a hook like projection ( Fig. 5 )... E. nasa n. sp.