Trigonaspis mendesi Tavares, 1902

on Quercus

Trigonaspis mendesi galls on Quercus lusitanica

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.

parasitoids, predators

Aulogymnus gallarum; Eupelmus barai, urozonus; Mesopolobus dubius; Ormyrus pomaceus; Sycophila biguttata.

notes

only the agamous generation is known.

references

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