Betulaphis quadrituberculata (Kaltenbach, 1843)

small downy-birch aphid

on Betula

Betulaphis quadrituberculata

Betula pubescens, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

parasite

Apterae ± 2 mm, pale yellowish green/yellow to almost white; in autumn often with a dark dorsal patch; antennae shorter than the body. They live at the underside of the leaves. Generally not ant-attended.

host plants

Betulaceae, monophagous

Betula humilis, nana, pendula, pubescens.

Occasionally on Alnus incana

references

Bachmaier (1965a), Blackman & Eastop (2017), Börner & Franz (1956a), Buhr (1964b), Dransfield & Brightwell (2015a), Görür, Işik, Akyürek & Zeybekoğlu (2009a), Heie (1982a), Hille Ris Lambers (1947a), Lampel & Meier (2003a), Mier Durante & Nieto Nafría (1981a, 1997a), Nieto Nafría & Mier Durante (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Stroyan (1977a), Tambs-Lyche & Heie (1984a), Weis (1955a), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).

mod 15.i.2019