Argyresthia glabratella (Zeller, 1847)

spruce argent

on Picea

Argyresthia glabratella: feeding trace on Picea abies

Picea abies, Belgium, prov. Antwerp, Retie, Prinsenpark, 20.iv.2015 © Carina Van Steenwinkel

Argyresthia glabratella: feeding trace on Picea abies

the needles at the tip of the shoot turn yellow …

Argyresthia glabratella: feeding trace on Picea abies

and are dropped

pupation takes places in the tunnel

Argyresthia glabratella: exuvium

the exuviuum protrudes from the opening

Argyresthia glabratella: exuvium

detail of the pupa

parasite

The larva bores in the tip of a shoot. Prior to pupation a small circular opening, closed with silk, is made, generally at the underside of the shoot.

host plants

Pinaceae, monophagous

Picea abies.

phenology

Larvae from the late summer till April, May.

distribution within Europe

(PESI, 2018).

larva

Full-fed 8 mm, body white, head shining black, prothoracic shield greyish brown.

pupa

notes

See also the closely related A. svenssoni..

references

Agassiz (1996a), Bengtsson & Johansson (2011a, 2012a).

mod 12.i.2019