Plant Parasites of Europe

leafminers, galls and fungi

Geoica setulosa

Geoica setulosa (Passerini, 1860)

hairy-tailed pistachio – grass-root aphid

on grasses


At the roots. Pérez Hidalgo, Espadaler & Nieto Nafría illustrate the differences to G. utricularia.

host plants

Poaceae, oligophagous

Agrostis; Alopecurus; Briza; Corynephorus; Festuca; Holcus; Hordeum vulgare; Oryza sativa; Setaria; Triticum aestivum.


In Iran the species has a primary generation on Pistacia khinjuk, causing galls that are closely similar to the ones of G. utricularia, but are somewhat larger. It is not unimaginable that this first generation occurs on the European Pistacia species as well, but has been overlooked.


Albrecht (1992a), Blackman & Eastop (2018), Brown & Blackman (1994a), Heie (1980a), Pérez Hidalgo, Espadaler & Nieto Nafría (2007a), Wojciechowski, Depa, Halgoš ao (2016a).

Last modified 15.i.2019