Last modified: July 13, 2024, 7:57 a.m.
The most common species of the genus Dioryctria and a rather common species in Belgium.
Native
It is on average the larger species with a wingspan of up to 32 mm. Furthermore, it always has a more or less pronounced rusty brown spot behind the inner transverse line towards the base area. The inner transverse line is relatively straight, only slightly jagged.
The larva lives in the cone or a shoot. It hibernates. Pupation in the larval habitation, in rotten wood or detritus. The adults come to light.
The adults fly from mid-May till early October, but mainly during July/August.
The larva lives in the cone or a shoot of Pinus, Abies procera or Pseudotsuga menziesii.