Melanaphis luzulella (Hille Ris Lambers, 1947)
on Luzula
parasite
Apterae 1-2 mm, dark green, almost black; at the upperside of the basal part of the lower leaves, that especially under dry condition rolled inward, completely concealing the aphids; they are intensely visited by ants.
hostplants
Juncaceae, monophagous
Luzula campestris, sylvatica.
references
Blackman & Eastop (2017), Heie (1996a), Prior (1971a), Tambs-Lyche & Heie (1984a).