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Saperda carcharias

Large poplar longhorned beetle

Description

Adult beetles are 20 to 30 mm long, yellow-brown, gray or gray-yellow and have an acutely pointed elytra. It swarms in June-August. Prior to oviposition, females gnaw a vertical (occasionally oblique) incision, about 4.8 mm long, in the bark. Females deposit one egg per niche, primarily on the basal part of the stem or on exposed roots. Fresh hatched larvae stat gnaw flat galleries in phloem. Later, they bore into  wood where they gnaw an oval galleries with a diameter up to 50 cm, partially filled with rolled up, small splinters up to 20 mm in length. Larvae push the small splinters out to the base of the hostplant. The adult leaves the pupa chamber  through the oval exit hole, approximately 10 x 12 mm in size.

Symptom

Possible finding of chips at the base of the tree.

Tree Species: Ash, Alder, Poplar, Willow

Part of a plant- attacked: Tree trunk

Pest significance: Harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 4 observations of the species in the system

Saperda carcharias Large poplar longhorned beetle
ak73
Number of votes: 0
Published: 6.8.2022

Saperda carcharias Large poplar longhorned beetle
ak73
Number of votes: 0
Published: 6.8.2022

Saperda carcharias Large poplar longhorned beetle
ak73
Number of votes: 0
Published: 6.8.2022

Saperda carcharias Large poplar longhorned beetle
jozef
Number of votes: 0
Published: 17.4.2022

Saperda carcharias Large poplar longhorned beetle
jozef
Number of votes: 0
Published: 17.4.2022