Plant Parasites of Europe

leafminers, galls and fungi

Stauronematus platycerus

Stauronematus platycerus (Hartig, 1840)

on Populus, (Salix)

Stauronematus platycerus larvae on Populus tremula

Populus tremula, Belgium, prov. Limbourg, Genk, Augustijnenvijver, 2.viii.2021 © Carina Van Steenwinkel

Stauronematus platycerus larvae on Populus tremula

detail

Stauronematus platycerus larvae on Populus tremula

detail of the “palisade”, that is placed at both the upper side and the underside of the leaf

Stauronematus platycerus: larvae on Populus tremula

Populus tremula, Belgium, Prov. Namur, Couvin, Petigny, Barrage du Ry de Rome, 3.viii.2014 © Stéphane Claerebout

gall

oviposition scars on the petiole, generally in two rows. The later larvae, sawfly caterpillars live freely on the leaves, “hedging” the holes where they are feeding with a “palisade” of grey threads of dried saliva, that probably function as ant deterrents.

host plants

Salicaceae, monophagous

Populus alba, balsamifera, carolinensis nigra, tremula.

Rarely on Salix.

synonyms

Pristiphora platycerus; Cladius, Lygaeonematus, Pristiphora, Stauronematus, compressicornis auct.

references

Beneš & Holuša (2015a), Buhr (1965a), Chevin (1987a), Haris (2012a, 2018a), Liston (2007d), Liston, Jacobs & Turrisi (2013a), Liston, Knight, Heibo, ao (2012a), Macek (2012c), Pagliano & Pesarini (2009a), Prous, Liston, Kramp, ao (2019a), Pschorn-Walcher & Altenhofer (2000a), Pschorn-Walcher & Taeger (1995), Savina & Chevin (2012a), Schedl (2003a), Stritt (1952a), Taeger, Altenhofer, Blank, ao (1998a), Zombori (1976a).

Last modified 6.viii.2021