Euceraphis betulae (Koch, 1855)
silver birch aphid
on Betula
Betula pendula, Hungary, Budapest, Arboretum, 10.v.2020 © László Érsek: egg
31.iii.2017, larva
the adults, ‘viviparae’, all are winged
31.vii.2019, detail
6.v.2014; de adults often are densely wax-overed
Betula pendula, Biddinghuizen, Spijk- en Bremerbergbos © Hans Jonkman
The alatae are densely covered by wax
larvae
vivipara
gall
The full-grown apterae are relatively large (3-4 mm), winged, greenish with a variable amount of black; they are dusted with bluish-white wax. The siphunculus is short with a black tip. Mainly at the undersides of the leaves. No host alternation.
host plants
Betulaceae, narrowly monophagous
Betula pendula.
On B. pubescens lives the related Euceraphis punctipennis
In Slovenia also found on B. cf. nigra and platyphylla (Wojciechowski ao, 2016a)
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Blackman & Eastop (2014), Heie (1982a), Influential Points (2017), Johnson (2001a), Lampel & Meier (2003a), Łabanowski & Soika (2011a), Mier Durante & Nieto Nafría (1997a), Nieto Nafría & Mier Durante (1998a), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Tambs-Lyche & Heie (1984a), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).