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).