Arthrocnodax fraxinellus (Meade, 1888)
on Fraxinus

Fraxinus excelsior, Denmark © Simon Haarder: living larva

larva with cocoons

microphoto of the larva; the strongly elongated “head” is characteristic for the predator genus Arthrocnodax.
gall
predator of the gall mite Aceria fraxinivora.
references
Ashe & O’Connor (2005a), Barnes (1951a), Bruun, Haarder, Jørgensen & Skuhravá (2014a), Mamaev & Krivosheina (1993a).
mod 9.xii.2018