Euceraphis betulae (Koch, 1855)

silver birch aphid

on Betula

Euceraphis betulae: apterae on Betula pendula

Betula pendula, Biddinghuizen, Spijk- en Bremerbergbos © Hans Jonkman

Euceraphis betulae: alata

The alatae are densely covered by wax

Euceraphis betulae: aptera

larvae

Euceraphis betulae: alate

the full-grown viviparae are winged

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.

hostplants

Betulaceae, narrowly monophagous

Betula pendula.

On B. pubescens lives the related Euceraphis punctipennis

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).

mod 19.xi.2018