Hadronemidea

Forero, D., 2008, Revision And Phylogenetic Analysis Of The Hadronema Group (Miridae: Orthotylinae: Orthotylini), With Descriptions Of New Genera And New Species, And Comments On The Neotropical Genus Tupimiris, Bulletin of the American Museum of Natural History 2008 (312), pp. 1-172 : 133

Key to the Species of Hadronemidea

1. Lateral margins of pronotum strongly carinate (figs. 3, 37A); males with mesotibia strongly recurved inward (fig. 37F); males with apical third of antennal segment III without long setae, setae of same length over entire segment; apex of left spicule of vesica expanded as a rounded lobe, denticulate (fig. 39, arrow)............... H. esau

— Lateral margins of pronotum not strongly carinate, rounded (figs. 3, 38A); males with mesotibia weakly curved inward (fig. 38B); males with apical third of antennal segment III with long setae (fig. 38D); apex of left spicule of vesica acute, with few denticles (fig. 39, arrow)............ H. echinata