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Callidium violaceum

Violet beetle

Description

Splendid, metallic colored beetle, size 8 to 18 mm. The female lays eggs in crevices in the bark - they prefer timber with bark. Larvae are 16 to 26 mm in size, excavate expanding corridors under the bark, later on they pupate in the wood. Larvae development takes from 1 to 3 years. This species is a common pest in a wood warehouses, where it attacks timber stored with bark. If timber is debarked, such a wood is not attacked.

Symptom

Splendid, metallic colored beetle. Creamy white larvae feeding under the bark in the corridor cut a few millimeters into the wood and later go to pupate chamber through a hook corridor 1 to 4 cm into the wood. The whitish crumbs have the form of semolina with small dark grains of dung. Excavation holes are elliptical.

Tree Species: Pine, Fir, Spruce, Larch

Part of a plant- attacked: Tree trunk, Branch

Pest significance: Harmful

Pest Category: Insects

Invasive Species: No

Last observations

There are a total of 2 observations of the species in the system

Callidium violaceumViolet beetle
Kristína_999
Number of votes: 0
Published: 23.1.2023

Callidium violaceumViolet beetle
Kristína_999
Number of votes: 0
Published: 23.1.2023

Callidium violaceumViolet beetle
calgary
Number of votes: 0
Published: 5.8.2022

Callidium violaceumViolet beetle
calgary
Number of votes: 0
Published: 5.8.2022