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Requests to determine the cause of damage

Here you can request to determine the cause of the damage. You can view the requests of other users and sort them according to the selected criteria. In addition, you can get information about your request, and you can follow the progress of its current state. If your application was not approved, it had probably been because it was impossible to identify the damage based on the sent photos or because the application does not address our topic - determining the pests of trees and shrubs. We will inform you about the status of your application by email.

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A - nejednoznačne určený, nie sme si istíA - nejednoznačne určený, nie sme si istí
Number: 7413
Received 29.1.2026
In progress: 20 days
Date of occurrence: 28.5.2009
Significance:
Discussion
Assigned: M. Zúbrik
Country: Hungary

Question

Acer pseudoplatanus

Answer

We are unable to determine the cause. Milan
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 29.1.2026
Wood: Maple
Number: 7413
Date of occurrence: 28.5.2009
Discussion

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A - nejednoznačne určený, nie sme si istí
Number: 6935
Received 11.9.2025
In progress: 0 days
Date of occurrence: 11.9.2025
Significance:
Discussion
Assigned: J. Galko
Country: Romania

Question

Answer

Hello. Under oak bark can develop many species of Cerambycids and Buprestids. The larva looks like the Cerymbycid larvae. If you have more pictures you can send it to galko@nlcsk.org. All the best, Juraj.
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 11.9.2025
Wood: Oak
Number: 6935
Date of occurrence: 11.9.2025
Discussion

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A - nejednoznačne určený, nie sme si istí
Number: 6458
Received 6.7.2025
In progress: 4 days
Date of occurrence: 6.7.2025
Significance:
Discussion
Assigned: A. Kunca
Country: Iran

Question

Answer

Dear friend, uf, I dont know what might be the cause of the damage. I am sorry for this case. Andrej Kunca
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 6.7.2025
Wood: Pomegranate
Number: 6458
Date of occurrence: 6.7.2025
Discussion

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Number: 5665
Received 21.3.2025
In progress: 3 days
Date of occurrence: 21.3.2025
Significance:
Discussion
From: njamnjam
Assigned: A. Kunca
Country: Germany

Question

Answer

Hello, probably Blumeriella sp. (B. jaapii, B. kerriae).  A. Kunca
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 21.3.2025
Wood: Cherry laurel
Number: 5665
Date of occurrence: 21.3.2025
Discussion

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A - nejednoznačne určený, nie sme si istíA - nejednoznačne určený, nie sme si istí
Number: 5580
Received 31.1.2025
In progress: 5 days
Date of occurrence: 31.1.2025
Significance:
Discussion
From: Jer Nusse
Assigned: J. Vakula
Country: The Netherlands

Question

frass is mainly found behind the sapwood

Answer

Hello, I think that damage is caused by Cerambycidae, probably Arhopalus rusticus or may be Spondylis buprestoides.  Best regards Jozef Vakula
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 31.1.2025
Wood: Douglas Fir
Number: 5580
Date of occurrence: 31.1.2025
Discussion

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Number: 5380
Received 12.12.2024
In progress: 26 days
Date of occurrence: 12.12.2024
Significance:
Discussion
From: Jer Nusse
Assigned: M. Zúbrik
Country: The Netherlands

Question

Answer

Dear Jer, sorry for late reply. We are not sure abouth identification as there is no similar species on oak. With best regards M. Zubrik
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 12.12.2024
Wood: Oak
Number: 5380
Date of occurrence: 12.12.2024
Discussion

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Number: 5288
Received 13.11.2024
In progress: 1 days
Date of occurrence: 12.11.2024
Significance:
Discussion
From: sisi
Assigned: A. Kunca
Country: Bulgaria

Question

Answer

Dear Sisi, I would say it is dichomitus campestris, but could be something else as well. Cheers, Andrej Kunca
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 13.11.2024
Wood: Grape
Number: 5288
Date of occurrence: 12.11.2024
Discussion

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Number: 5262
Received 8.11.2024
In progress: 3 days
Date of occurrence: 8.11.2024
Significance:
Discussion
From: Jer Nusse
Assigned: J. Galko
Country: The Netherlands

Question

North-west side tree; long very wide galleries

Answer

Dear Jer. The larval gallery on the picture was created probably by Cerambycid larvae (for instance from genus Plagionotus). All the best, Juraj.
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 8.11.2024
Wood: Oak
Number: 5262
Date of occurrence: 8.11.2024
Discussion

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A - nejednoznačne určený, nie sme si istí
Number: 5260
Received 8.11.2024
In progress: 3 days
Date of occurrence: 24.10.2024
Significance:
Discussion
Assigned: A. Kunca
Country: Belarus

Question

Answer

Dear Alexandr, I am sorry, I dont know what it is. I cant see the hymenium, it could help. Andrej Kunca
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 8.11.2024
Wood: Spruce
Number: 5260
Date of occurrence: 24.10.2024
Discussion

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A - nejednoznačne určený, nie sme si istíA - nejednoznačne určený, nie sme si istíA - nejednoznačne určený, nie sme si istí
Number: 5253
Received 5.11.2024
In progress: 6 days
Date of occurrence: 13.11.2019
Significance:
Discussion
Assigned: A. Kunca
Country: Belarus

Question

Answer

Dear Aliaxandr, something like this is caused by Inonotus nidus pici on Quercus cerris. Could be something else, as well.. Andrej Kunca
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 5.11.2024
Wood: Oak
Number: 5253
Date of occurrence: 13.11.2019
Discussion

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A - nejednoznačne určený, nie sme si istí
Number: 5238
Received 28.10.2024
In progress: 0 days
Date of occurrence: 27.10.2024
Significance:
Discussion
From: JK
Assigned: A. Kunca
Country: Slovenia

Question

Found growing under the bark on deadwood, old apple orchard. Two trees affected

Answer

Dear friend, I would say it might be Phellinus contiguus, but it could be something else too. Cheers. Andrej K. 
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 28.10.2024
Wood: Apple Tree
Number: 5238
Date of occurrence: 27.10.2024
Discussion

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A - nejednoznačne určený, nie sme si istí
Number: 4519
Received 15.5.2024
In progress: 5 days
Date of occurrence: 14.5.2024
Significance:
Discussion
From: majo
Assigned: A. Kunca
Country: Slovakia

Question

Thank you and best regards, Marián

Answer

Ahoj majo, vyzerá to na Piptoporus betulinus, ale ten je na breze, nie na jaseni. atak neviem, čo to je. AK:
Number of votes for this answer: 0

Pest

A - nejednoznačne určený, nie sme si istí

A - nejednoznačne určený, nie sme si istí

Received: 15.5.2024
Wood: Ash
Number: 4519
Date of occurrence: 14.5.2024
Discussion

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