Sitobion alopecuri (Takahashi, 1921)
on grasses
parasite
Apterae 2-4 mm, yellowish brown to mid apple-green with pale to dusky siphunculi, darker at apices
hostplants
Poaceae, oligophagous
Alopecurus geniculatus; Ammophila; Elymus; Hordeum; Poa.
Mainly on Alopecurus.
references
Blackman & Eastop (2017), Heie (1994a).