1. Seta h 2 absent......................................................................................... 2
- Seta h 2 present........................................................................................ 7
2. Seta pl” on tarsus II spatulate.......................................................................... 3
- Seta pl” on tarsus II spine like........................................................................... 5
3. Solenidion ǫ 2 shorter than solenidion ǫ 1, seta e longer than seta h 1, setae h 1 bluntly ended............. E. abeskoun sp. nov.
- Solenidion ǫ 2 longer than solenidion ǫ 1, seta e shorter than seta h 1, setae h 1 pointed.................................. 4
4. Seta f more than three times longer than seta e, seta c 1 longer than seta c 2...................... E. cerambycidum sp. nov.
- Seta f less than three times longer than seta e, seta c 1 shorter than seta c 2.................... E. kornilovi Khaustov, 2000
5. Most hysterosomal setae strong and serrate, solenidion ǫ 2 longer than solenidion ǫ 1.......... E. alaskensis Khaustov, 2003
- Hysterosomal setae smooth, solenidion ǫ 2 shorter than solenidion ǫ 1............................................ 6
6. Seta f more than two times longer than seta e, seta h 1 longer than seta e......................... E. alni Khaustov, 2003
- Seta f less than two times longer than seta e, seta h 1 shorter than seta e........................ E. fraxini Khaustov, 2000
7. Seta f more than two times longer seta e....................................... E. bennetti (Cross and Moser, 1971)
- Seta f less than two times longer seta e..................................................................... 8
8. Seta d not reaching to posterior border of tergite D...................................... E. karafiati (Krczal, 1959)
- Seta d reaching to posterior border of tergite D............................................................. 9
9. Solenidion ǫ 2 longer than solenidion ǫ 1................................................ E. crossi Khaustov, 2000
- Solenidion ǫ 2 shorter than solenidion ǫ 1................................................. E. lata Khaustov, 2000