Prociphilus xylostei (DeGeer, 1773)
on Lonicera, primary host plant

Lonicera xylosteum, Belgium, prov. Hainaut, Chimay, Lompret © Sébastien Carbonnelle

another specimen
gall
the spring generation causes an almost tubelike downwards inrolling and yellow-mottling of the leaves. Later the aphids disperse over the branches where they are conspicuous because of their enormous white-woolly wax production.
host plants
Caprifoliaceae, narrowly monophagous
Lonicera alpigena, tatarica, xylosteum.
on ? Abies, Picea, Pseudotsuga, secondary host plants
gall
Apterae 0.5-3 mm, pale, on thin mycorrhizal root ends. Some populations live permanently on the secondary host plant. Not attended by ants.
host plants
Pinaceae, oligophagous
? Abies; Picea abies, glauca, sitchensis; Pseudotsuga menziesii.
synonyms
Pemphigus, Stagona, xylostei.
notes
Mentioned by Osiadacz & Wojciechowski also from Geranium phaeum; no further details.
references
Albrecht (2015a, 2017a), Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Béguinot (2003a, 2012a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Carter & Danielsson (1993a), Dauphin & Aniotsbehere (1997a), Durak, Durak & Borowiak-Sobkowiak (0000a, 2011a), Heie (1980a), Hellrigl (2004a), Houard (1909a), Kollár (2007a), Lambinon & Romain (2009a), Lambinon & Schneider (2004a), Lampel (1988a), Lampel & Meier (2003a), Lehmann & Flügel (2012a), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Redfern & Shirley (2011), Roskam (2009a), Tambs-Lyche & Heie (1994a), Tomasi (2014a), Wojciechowski, Depa, Halgoš ao (2016a).