Females
1. Mesoscutum black; forewing usually hyaline, without dark transverse bands,
rarely with small dark spot or dark band around 2r-rs&Rs vein ...Echthrodelphax
migratorius Benoit
- Mesoscutum at least partly testaceous or testaceous-reddish; forewing with 1–2
dark transverse bands ...Echthrodelphax
tauricus Ponomarenko
Males
1. Paramere with dorsal process short and lobe-shaped ...Echthrodelphax
tauricus Ponomarenko
- Paramere with dorsal process very long and sculptured with a mosaic pattern
...Echthrodelphax
migratorius Benoit
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