Electromyiomma, Popov & Herczek, 1992

Kim, Junggon & Jung, Sunghoon, 2021, A new species of extinct genus Electromyiomma Popov & Herczek (Hemiptera Miridae: Isometopinae) from Eocene Baltic amber, with the key to Electromyiomma species, Zootaxa 4927 (2), pp. 289-293 : 292-293

Key to the species of extinct genus Electromyiomma

1. Antennae linear, second antennal segment cylindrical............................................................. 2

–. Antennae not linear, second antennal segment distinctly clavate......................................................4

2. First and second antennal segments thicker than others, third antennal segment as long as, or shorter than the fourth segment.....3

–. First and second antennal segment as thick as others, third antennal segment distinctly longer than the fourth segment............................................................................................... E. herczeki sp. nov.

3. Third antennal segment as long as the fourth segment...................................................... E. schultzi

–. Third antennal segment shorter than the fourth segment.................................. .. E. weitschati (female paratype) 4. Third antennal segment as long as the fourth segment, lateral margin of pronotum constricted...... E. weitschati (male, holotype)

–. Third antennal segment distinctly shorter than the fourth segment, lateral margin of pronotum almost straight...... E. polonicum