Rhynchites caeruleus (DeGeer, 1775)
apple twig cutter
on woody Rosaceae
The female deposits eech egg in a wound that she has bitten in the tip of a young shoot; next, the shoot is cut off a few cm below the egg. The larva develops in the pith of the fallen shoot. Once full grown it leaves and pupates in the soil.
Univoltine; hibernation as imago.
distribution within Europe
Rhynchites coeruleus; Involvulus, Teretriorhynchites, caeruleus.
Dieckmann (1974a), Legalov (2009a), Rheinheimer & Hassler (2010a), Roskam (2009a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).