Ossiannilssonia oelandica Hille Ris Lambers, 1952
on Galium
parasite
Apterae ± 2 mm, greenish to lemon yellow with mainly pale appendages. Body with paired spinal protruberances on abdominal tergites 3-5 and unpaired cauda-like processes on abdominal tergites 6, 7 and 8.
hostplants
Rubiaceae, narrowly monophagous
Galium boreale.
references
Blackman & Eastop (2017), Heie (1992a), Müller (1986a).