Wahlgreniella ossiannilssoni Hille Ris Lambers, 1949
on Rosa
host plants
Rosaceae, monophagous
Rosa.
on Arctostaphylos
parasite
Apterae ± 2 mm shining pale yellow, dark green, reddish brown or greenish black, with siphunculi dark in middle and at tips. On undersides of leaves and shoots.
host plants
Ericaceae, monophagous
Arctostaphylos uva-ursi.
notes
In the Alps host alternation takes place, but in northern Europe the species lives continuously on Arctostaphylos.
references
Blackman & Eastop (2018), Buga & Stekolshchikov (2012a), Heie (1995a), Hellrigl (2004a), Lampel & Meier (2007a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Tambs-Lyche (1968a).