Gymnancyla canella (Denis & Schiffermüller, 1775)
Salsola kali, Belgium, prov. West Flanders, Knokke, 23.viii.2018 © Ruben Meert: habitat
larva in the stem
the frass is ejected from the gallery and is trapped in spinning
here also spinning is visible
Salsola kali, Belgium, prov. West Flanders, Zeebrugge, strand Westdam, 23.x.2018 © Ruben Meert. In the spinning also many sand grains are caught.
The larva essentially lives as a stem borer, but according to the literature older larvae often also live free among a spinning, feeding on the developing seeds. Pupation in an oval cocoon, made up of sand and silk, in the soil,
The often repeated statement that the species rarely occurs also on Atriplex is probably incorrect.
Univoltine; larvae from August till October.
distribution within Europe
Beirne (1954a), Huertas Dionisio (2007a).