Schizaphis jaroslavi (Mordvilko, 1921)
on Calamagrostis
parasite
Apterae ± 2 mm, pale green to yellow green with a darker green median stripe and dark tips to siphunculi, slightly wax-powdered.
hostplants
Poaceae, ? monophagous
Calamagrostis epigeios.
Blackman & Eastop list more species (other genera), but add that this may be connected to erroneous identifications.
references
Blackman & Eastop (2017), Heie (1986a), Petrović (1998a).