Trigonaspis mendesi Tavares, 1902

on Quercus

Quercus lusitanica gall (from Houard, 1908a)

gall

gall, often in numbers and red-coloured, at the underside of the midrib. The bizarre gall consists of a vertical stalk of about 3 mm, crowned by a croissant.

host plants

Fagaceae, narrowly monophagous

Quercus faginea, lusitanica.

predators

Eupelmus barai, Ormyrus pomaceus.

notes

only the agamous generation is known.

references

Cogolludo (1921a), Fusu (2017a), Houard (1908a), Nieves-Adrey (1984b, 1998a, 2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Tavares (1905a).