Plant Parasites of Europe

leafminers, galls and fungi

Myzocallis walshii

Myzocallis walshii (Monell, 1879)

on Quercus


Larve are pale yellow. Adult, alate viviparae in summer are bright yellow, antennae ringed with black, and broad lateral bands along the thorax; also the front tibiae are black. In spring the colouration is less pronounced. The aphids live at the underside of the leaves. Mainly in parks and other urban areas, much less in forests. Not ant-attended.

host plants

Fagaceae, narrowly monophagous

Quercus rubra.

Other oak species in the immediate vicinity were not visited.


North American species, since 1988 in Europe.


Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Blackman & Eastop (2017), Havelka & Starý (2007a), Mier Durante & Nieto Nafría (1997a)n Nieto Nafría & Mier Durante (1998a), Petrović-Obradović, Tomanović, Poljaković-Pajnik ao (2010a), Piron (2009a), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).

Last modified 16.i.2019