Cavariella cicutae (Koch, 1854)
Apterae ± 2 mm, shining yellowish with two longitudinal green stripes. Living without host alternation in large colonies on upper parts of stems of aquatic plants.
Buga & Stekolshchikov report the species also from Salix x fragilis, which would imply that there indeed as an alternation of host.
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Blackman & Eastop (2018), Buga & Stekolshchikov (2012a), Heie (1995a), Wojciechowski, Depa, Halgoš ao (2016a).