Plant Parasites of Europe

leafminers, galls and fungi

Andricus legitimus

Andricus legitimus Wiebes-Rijks, 1980

on Quercus, agamous generation

Andricus legitimus on Quercus robur

Quercus robur, France, dép. Tarn-et-Garonne, Albias, 17.ix.2023 © Émilien Teulier: opened galled acorn and cupula. The gall was parasitised, containing a cocoon harbouring 11 parasitic wasp.

Andricus legitimus: gall on Quercus robur

Quercus robur, Loenen (Ge), 19.ix.2019 © Arnold Grosscurt: healthy and galled acorn

Andricus legitimus: gall on Quercus robur

section through the galled acorn

Andricus legitimus: gall on Quercus robur

another specimen

Andricus legitimus: gall on Quercus robur

Quercus robur, Dronten, 27.ix.2019 © Arnold Grosscurt

Andricus legitimus: gall on Quercus robur

Quercus robur, Biddinghuizen, Spijk- en Bremerbergbos © Hans Jonkman

cf Andricus legitimus gall in Quercus robur

Quercus robur Dronten, Roggebotbos © Hans Jonkman. From the original description of the species appears a strong variation in the degree of suppression of the development of the acorn. Possibly this is an extreme example.

gall

Unilocular, ovoid gall within an acorn the is abortive, and usually remains completed enclosed by the cupula. Multilocular galls have fallen victim to an inquiline.

hostplants

Fagaceae, monophagous

Quercus infectoria, petraea, robur.

distribution within Europe

PESI (2024).

inquilines

Synergus clandestinus.

references

Bellmann (2012a), Dauphin & Aniotsbehere (1997a), Gómez, Hernández Nieves, Garrido Torres, ao (2006a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Romain (2009a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Mutun & Dinç (2014a), Nieves-Aldrey (1983a, 2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Redfern & Shirley (2011a), Roskam (2009a), Wiebes-Rijks (1980a), Williams (2010a).

Last modified 2.i.2024