Euura polita (Zaddach, 1883)

on Salix

Euura polita: gall on Salix purpurea

Salix purpurea, Zeeland, Braakman © Tineke Cramer; from Mol (2013a)

gall

The leaf margin at one side of the leaf is sharply folded downwards, forming a quite flat tube that is open at both ends. (No spinning is involved here!) The solitary larva can leave the gall to feed on the leaf; usually this happens at the distal side.

hostplants

Salicaceae, narrowly monophagous

Salix purpurea, purpurea x silesiaca.

larva

Third abdominal segment with 4 dorsal annulets; 1–3 with setae. Suranal plate with widely separated pseudocerci; they are small, apically dark. Segments 9 and 10 each with a dorsal pair of black spots.

synonyms

Phyllocolpa polita.

note

Member of the Euura oblita species group.

references

Beneš (2015a), Beneš & Holuša (2015a), Kopelke (2007a,c), Liston, Heibo, Prous ao (2017a), Mol (2013a), Pschorn-Walcher & Altenhofer (2006a), Roller, Beneš, Blank ao (2006a), Savina & Chevin (2012a).

mod 18.xii.2017