Contarinia acetosellae (Rübsaamen, 1891)

on Rumex

Contarinia acetosellae: opened gall on  Rumex acetosella

Rumex acetosella, Belgium, prov. Luxembourg, Paliseul, Fay-les-Veneurs, 12.vi.2018 @ Sébastien Carbonelle: opened galled flower

Contarinia acetosellae: galls on Rumex acetosella

Rumex acetosella, Denmark © Simon Haarder

Contarinia acetosellae: larva

opened gall with larva

Contarinia acetosellae: pupae

two pupae, dissected from a gall

gall

The flower buds are discoloured, they remain closed and are twice their normal size. Larvae gregarious, jumping, yellowish white, pink or orange. Pupation mostly in the gall, univoltine. Mostly the female flowers are galled.

hostplants

Polygonaceae, narrowly monophagous

Rumex acetosa, acetosella, crispus.

larva

Contarinia acetosellae: spatula

spatula with papillae (from Möhn, 1955a)

synonyms

Atylodiplosis acetosellae; Contarinia acetosae Kieffer, 1901.

notes

young not-jumping larvae may be confused with those of Jaapiella rubicundula (Haarder ao).

inquilines

Lamprodiplosis rhopalothrix.

references

Buhr (1965a), Dauphin & Aniotsbehere (1997a), Haarder, Bruun, Harris & Skuhravá (2016a), Harris (2003a), Houard (1908a), Möhn (1955), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Rübsaamen (1910d), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a).

mod 17.i.2019