Contarinia jacobaeae (Loew, 1850)

on Senecio s.l.

Contarinia jacobaeae: galls on Jacobaea vulgaris

Jacobaea vulgaris, België, prov Luik, Amay © Jean-Yves Baugnée

Contarinia jacobaeae: gall on Jacobaea vulgaris

Jacobaea vulgaris, Belgium, prov Namur, Viroinval © Stéphane Claerebout

Contarinia jacobaeae: larva

larva

gall

The flower heads are swollen and somewhat fleshy. Also the stems may be galled: usually in their upper part, with conspicuous, unilateral swellings and distortions. The larvae are gregarious, shining yellow (Rübsaamen) or yellowish white (Skuhravá ao), and able to jump. Generally several generations per year; pupation in the ground.

hostplants

Asteraceae, narrowly oligophagous

Jacobaea aquatica, erratica, erucifolia, paludosa, vulgaris; Senecio leucanthemifolius subsp. vernalis, sylvaticus, viscosus, vulgaris.

larva

Contarinia jacobaeae: spatula

spatula (from Rübsaamen, 1891a).

synonyms

Stictodiplosis jacobaeae; Diplosis senecionis Rübsaamen, 1891.

inquilines

Jaapiella crinita.

predatoren

Lestodiplosis giardi, jacobeae.

notes

It is not fully certain that the larva pictured above is not the inquiline; however, that species is not known from the Benelux.

references

Baylac (1988a), Béguinot (2006c), Buhr (1965a), Coulianos & Karlsson (2014a), Dauphin & Aniotsbehere (1997a), Docters van Leeuwen (1936a), Houard (1909a), Kieffer (1891a), Lehmann & Hannover (2016a), Máca (2012a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Rübsaamen (1891b), Schneider (2016a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a), Skuhravá & Skuhravý (1994a, 1997a, 1999a, 2011a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Spungis (2003a), Tomasi (2014a).

mod 26.vii.2018