Plant Parasites of Europe

leafminers, galls and fungi

Cladius grandis

Cladius grandis (Serville, 1823)

on Populus, Salix

Cladius grandis: oviposition scars on petiole of Populus tremula

Populus tremula, Belgium, prov Namur, Viroinval, Pétigny, Oignies, Trou du Diable 5.viii.2014 © Stéphane Claerebout: oviposition scars on the petiole

Cladius grandis: young larva


Cladius grandis: young larvae

young larvae

Cladius grandis larva

Populus x canadensis, België, prov. Antwerpen, Mol, Donk, 14.x.2012 © Carina Van Steenwinkel: older larva

Cladius grandis larva

another image


oviposition scars in a row on the petiole. The youngest larvae graze the underside of the distal part of the leaf. The later larvae, consume the complete tissue, likely working from the tip of the leaf towards the base. Generally they eat as a group, shoulder to shoulder.


Salicaceae, oligophagous

Populus alba, balsamifera, x canadensis, nigra, tremula; Salix caprea.


Trichiocampa, Trichiocampus grandis; T. viminalis (Fallén, 1808).


Buhr (1965a), Chevin (1987a), Halstead (2006a). Looney, Smith, Collman, ao (2016a), Prous, Liston, Kramp, ao (2019a), Pschorn-Walcher & Altenhofer (2000a, Schedl (1976a), Stritt (1952a), Taeger, Altenhofer, Blank, ao (1998a), Tiberghien (2007a), Zwakhals & Blommers (2022a).

Last modified 2.ii.2022