Plant Parasites of Europe

leafminers, galls and fungi

Galeruca tanaceti

Galeruca tanaceti (Linnaeus, 1758)

on Tanacetum, etc.

Galeruca tanaceti: eggs mass

Belgium, prov. Antwerp, bank canal Dessel-Kwaadmechelen, 20.ix.2011 © Carina Van Steenwinkel: fresh cluster of eggs

Galeruca tanaceti: eggs mass

hardened clutch

parasite

Larvae communally free on the leaves. Pupation in a wide-meshed cocoon in the soil. Oviposition in groups of up to 20 eggs on dried plant stems that extend above the surrounding vegetation; the orange eggs are covered with froth, that soon dries into a shining black crust.

host plants

Asteraceae, Caryophyllaceae, polyphagous

Achillea millefolium; Centaurea jacea; Cerastium arvense; Stellaria graminea, holostea; Tanacetum vulgare.

Adults feed on the same plants, but also others, e.g, Origanum vulgare; Solanum tuberosum.

phenology

Univoltine; hibernation as eggs.

distribution within Europe

(PESI, 2020).

larva, pupa

Pictures in Rheinheimer & Hassler.

references

Anagnou–Veroniki, Papaioannou–Souliotis, Karanstasi & Giannopolitis (2008a), Biondi (1994b), Bukejs (2009d), Farina (2015a), Gavrilović & Ćurčić (2013a), Gavrilović, Gavrilović, Ćurčić, ao (2014a), Petitpierre i Vall (1994a), Rheinheimer & Hassler (2018a), Rozner & Rozner (2014a), Salisbury & Halstead (2011a).

Last modified 6.vii.2020