Myrmeconycha, Konstantinov and Tishechkin, 2017

Konstantinov, A. S. & Tishechkin, A. K., 2017, Myrmeconycha new genus: the first myrmecophilous flea beetle (Coleoptera: Chrysomelidae: Galerucinae: Alticini), Insecta Mundi 2017 (525), pp. 1-13 : 5

Key to species of Myrmeconycha

1. Pronotum darker than elytra ....................................................................................................... 2

— Pronotum concolorous with elytra ............................................................................................... 3

2(1). Three apical antennomeres light ochre or yellow in color, others dark brown. Front and middle legs yellow. Third (humeral) elytral ridge bent gradually .................................... M. gordoni

— Three apical antennomeres dark brown, concolorous with rest of antennae. Front and middle legs dark brown. Third (humeral) elytral ridge bent abruptly ................................ M. erwini

3(1). Antennomeres four to seven much darker in color than rest of antenna. Anterofrontal ridge much longer than width of frontal ridge, forming Y-shaped structure together. Aedeagus gradually narrowing towards apex. Sclerotized part of spermathecal pump shorter than membranous part ........................................................................................................................ M. pakaluki

— Antennomeres four to seven similar in color to rest of antenna. Anterofrontal ridge slightly longer than width of frontal ridge, forming T-shaped structure together. Aedeagus more or less parallel-sided, abruptly narrowing before apex. Sclerotized part of spermathecal pump longer than membranous part ............................................................................... M. pheidole