Byctiscus populi (Linnaeus, 1758)
poplar leaf-rolling weevil
© György Csóka, Hungary Forest Research Institute, Bugwood.org
The female usually deposits one egg in a leaf roll. A leaf roll consists of one, rarely two leaves that has been rolled into a tight cylinder. Before she has gnawed a wound in the petiole, causing the leaf lo loose its turgor. Generally, the leaf rolls soon drop to the ground. When the larva in the roll is full fed it crawls into the ground to pupate. The new beetle generation appears before the winter.
Populus alba, x canadensis, deltoides, nigra, tremula, trichocarpa.
Preference for young trees, suckers.
Univoltine; hibernation as imago.
distribution within Europe
Dieckmann (1974a), Heijerman & Tuinstra (2014a), Rheinheimer & Hassler (2010a), Urban (2012a,b).