Dittrichia viscosa, Sardinia, Santa Teresa Gallura © Luigi Lenzini

Dittrichia viscosa, Spain, prov. Barcelona, Cornellà de Llobrega © Jordi Montobbio: young galll

Dittrichia viscosa, Spain, prov. Barcelona, Terrassa © Jordi Montobbio: detail

Dittrichia viscosa, Spain, prov. Barcelona, Sant Quize del Vallés © Jordi Montobbio: mature gall

Dittrichia viscosa, Spain, prov. Barcelona, Sabadell © Jordi Montobbio: old gall

gall

The receptaculum is transformed into a smooth sphere; a few galled achenes, crowned by pappus hairs emerge as narrow cones from the gall; the other achenes are aborted and are arranged around the gall.

hostplants

Asteraceae, monophagous

Dittrichia vicosa.

synonyms

Dauphin & Aniosbehere and many authors on the internet designate this species as M. limbardae (Schiner, 1863) and M. olivieri Kieffer, 1899. PESI (2018) does not know this names, but several internet sources give the impression that M. stylatus should be the valid name.

references

Dauphin & Aniotsbehere (1997a), Dirlbeck (1974a), Ebejer (2015a), Franco-Micán, Castro & Campos, (2020a), Freidberg (1979a), Houard (1909a), Neuenschwander & Freidberg (1983a), Pujade (1994a), Tavares (1905a).