Chromaphis juglandicola (Kaltenbach, 1843)

european walnut aphid, small walnut-aphid

on Juglans

Juglans regia, Hongarije, Mosonmagyaróvár, 23.v.2018 © László Érsek

colony

detail

aptera

aptera

alate

gall

pale lemon yellow aphids scattered over the underside of the leaves. Sometimes also on the developing fruits. Infected leaves may curl, yellow and drop.

host plants

Juglandaceae, monophagous

Juglans nigra, regia.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Heie (1982a), Hellrigl (2004a), Lampel & Meier (2003a), López Rodríguez & Nieto Nafría (1983a), Mier Durante & Nieto Nafría (1981a, 1997a), Nieto Nafría, Carnero Hernández & Mier Durante (1977a), Nieto Nafría & Mier Durante (1981a, 1998a), Osiadacz & Wojciechowski (2008a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Stroyan (1977a), Suay Cano & González Funes (1998c), Weis (1955a), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).