Pamphilius varius (Adinet-Serville, 1823)

alder web-spinning sawfly

on Alnus, Betula

Pamphilius varius: leaf roll

leaf roll (after Viitasaari, from van Achterberg & van Aartsen)

parasite

Larvae in a leaf rolled in a cone.

host plants

Betulaceae, oligophagous

Alnus glutinosa, incana, viridis subsp. fruticosa; Betula pendula, pubescens.

distribution within Europe

(PESI, 2020).

synonyms

Pamphilius vafer auct.; P. depressus (von Paula Schrank, 1781)

references

van Achterberg & van Aartsen (1986a), Chevin (1984a), Haris (2012a), Hoop (1983a), Pschorn-Walcher & Altenhofer (2000a, 2006a), Savina & Chevin (2012a), Savina, Liston, Boevé, ao (2013a), Shinohara (2003a).

mod 5.iv.2020