Macrosiphoniella usquertensis Hille Ris Lambers, 1935
on Achillea, etc.
parasite
Apterae 2-3 mm, brownish, powdered with greyish wax, with antennae and legs yellow and black, siphunculi and cauda black. At the lower leaves, that eventually turn brown and wither.
host plants
Asteraceae, almost monophagous
Achillea ageratifolia, alpina, chrysocoma, clavennae, clypeolata, collina, macrophylla, millefolium & subsp. sudetica, nana, nobilis, ptarmica, ptarmicifolia, salicifolia, seidlii, taygetea, tomentosa.
Rarely Artemisia campestris.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Blackman & Eastop (2018), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b), Danielsson (1974a), Heie (1995a), Lampel (1988a), Lampel & Meier (2007a), Mier Durante & Nieto Nafría (1983a), Müller (1986a), Müller & Horatschek (1980a), Petrović (1998a), Roskam (2009a, 2019a), Szelegiewicz (1982b), Tambs-Lyche (1968a), Wojciechowski, Depa, Halgoš ao (2016a).