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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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Code
Date
Assigned
Status
Days from submission
7458
21.2.2026
michal.lalik@nlcsk.org
Completed
3
7456
20.2.2026
A. Kunca
Completed
4
7409
27.1.2026
R. Leontovyč
Completed
7
7407
27.1.2026
A. Kunca
Completed
7
7349
16.1.2026
R. Leontovyč
Completed
1
7341
14.1.2026
R. Leontovyč
Completed
1
7340
14.1.2026
A. Kunca
Completed
2
7325
9.1.2026
R. Leontovyč
Completed
4
7323
8.1.2026
A. Gubka
Completed
1
7315
7.1.2026
R. Leontovyč
Completed
1

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Cottony camellia scale
Cottony camellia scale
Number: 6246
Received 9.6.2025
In progress: 0 days
Date of occurrence: 9.6.2025
Significance: Harmful
Discussion
From: Ruth
Assigned: M. Zúbrik
Country: United Kingdom

Question

Found on Pittosporum tobira variegata

Answer

Thank you for your inquiry. The photo shows a scale insect of the genus Pulvinaria, most likely Pulvinaria floccifera. Best regards, M. Zúbrik
Number of votes for this answer: 0

Pest

Cottony camellia scale

Pulvinaria floccifera

Cottony camellia scale

Pulvinaria floccifera

hmyz

Received: 9.6.2025
Wood: Different tree species
Number: 6246
Date of occurrence: 9.6.2025
Discussion

Add comment: Cottony camellia scale

Redheaded ash borer
Redheaded ash borer
Number: 6237
Received 6.6.2025
In progress: 3 days
Date of occurrence: 6.6.2025
Significance: Harmful
Discussion
From: Erika
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Na obrázku je invázne druh fúzača Neoclytus acuminatus, ktorý pôvodne pochádza zo severnej Ameriky a v Európe sa šíri asi od roku 2008. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Redheaded ash borer

Neoclytus acuminatus

Redheaded ash borer

Neoclytus acuminatus

hmyz

Received: 6.6.2025
Wood: Figovník
Number: 6237
Date of occurrence: 6.6.2025
Discussion

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Black timber bark beetle
Drvinárik čiernyDrvinárik čiernyDrvinárik čierny
Black timber bark beetle
Number: 6236
Received 6.6.2025
In progress: 2 days
Date of occurrence: 6.6.2025
Significance: Harmful
Discussion
From: Nikolas
Assigned: J. Galko
Country: Slovakia

Question

Hmota na lesnom sklade 2 dní po ťažbe dreva. Existuje nejaká chemická ochrana ako postrek na ochranu kmeňov stromov? Vzniká týmto naletenim a zavrtanim sa chrobáka hneď popisovana chyba T? Ďakujem za odpoveď.

Answer

Dobrý deň. Na fotkách je vidieť kôpky bielej drviny. Malo by ísť o napadnutie technickým škodcom drvinárikom čiernym (Xylosandrus germanus). Preventívny postrek by pomohol ale odporúčame ošetrovať iba cenné sortimenty, nakoľko tento škodca je už veľmi bežný. Ak už sú samičky hlbšie v dreve postrek je neúčinný. Určite to nie je lykožrút bukový. S pozdravom JG.
Number of votes for this answer: 0

Pest

Black timber bark beetle

Xylosandrus germanus

Black timber bark beetle

Xylosandrus germanus

hmyz

Received: 6.6.2025
Wood: Buk
Number: 6236
Date of occurrence: 6.6.2025
Discussion

Add comment: Black timber bark beetle

Fan-bearing wood-borer
Červotoč obyčajnýČervotoč obyčajnýČervotoč obyčajný
Fan-bearing wood-borer
Number: 6215
Received 6.6.2025
In progress: 2 days
Date of occurrence: 31.5.2025
Significance: Less harmful
Discussion
Assigned: J. Galko
Country: Unknow

Question

Answer

Dobrý deň. Vidím tam odumretý hrab, ktorý bol následne naletený červotočom obyčajným (Ptilinus pectinicornis). To otesanie do dreva spôsobili pravdepodobne ďatle. S pozdravom JG
Number of votes for this answer: 0

Pest

Fan-bearing wood-borer

Ptilinus pectinicornis

Fan-bearing wood-borer

Ptilinus pectinicornis

hmyz

Received: 6.6.2025
Wood: Hrab
Number: 6215
Date of occurrence: 31.5.2025
Discussion

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Smoky bracket
Sivopórovka tmavá
Smoky bracket
Number: 6199
Received 5.6.2025
In progress: 3 days
Date of occurrence: 5.6.2025
Significance: Harmful
Discussion
Assigned: A. Kunca
Country: Unknow

Question

cerrena unicolor (trametes)

Answer

Zdravím, nie zlý typ (C. unicolor), ale myslím, že je to skor Bjerkandera adusta. AK.
Number of votes for this answer: 0

Pest

Smoky bracket

Bjerkandera adusta

Smoky bracket

Bjerkandera adusta

huby

Received: 5.6.2025
Wood: Buk
Number: 6199
Date of occurrence: 5.6.2025
Discussion

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Tripe fungus
Uchovka pásikaváUchovka pásikaváUchovka pásikavá
Tripe fungus
Number: 6198
Received 5.6.2025
In progress: 4 days
Date of occurrence: 5.6.2025
Significance: Less harmful
Discussion
Assigned: A. Kunca
Country: Unknow

Question

Ustulina deusta

Answer

Zdravím, podľa mňa suchá verzia Auricularia mesenterica. Podobný "povlak" vytvára aj Ustulina deusta, avšak u nej je výskyt na koreňovom kŕčku (päte kmeňa) a väčšina povrchu je určite biela až bielozelená. Ale vďaka! AK.
Number of votes for this answer: 0

Pest

Tripe fungus

Auricularia mesenterica

Tripe fungus

Auricularia mesenterica

huby

Received: 5.6.2025
Wood: Buk
Number: 6198
Date of occurrence: 5.6.2025
Discussion

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Mycosphaerella maculiformis
Mycosphaerella maculiformis
Number: 6074
Received 3.6.2025
In progress: 2 days
Date of occurrence: 2.6.2025
Significance: Harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

prosim o urcenie choroby, pripadne sposob ochrany (gastan jedly). Vdaka.

Answer

Dabrý deň, mala by to byť Mycosphaerella maculiformis. MZ
Number of votes for this answer: 0

Pest

Mycosphaerella maculiformis

Mycosphaerella maculiformis

Mycosphaerella maculiformis

Mycosphaerella maculiformis

huby

Received: 3.6.2025
Wood: Gaštan
Number: 6074
Date of occurrence: 2.6.2025
Discussion

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Gall mite Eriophyes tiliae
Gall mite Eriophyes tiliae
Number: 6071
Received 2.6.2025
In progress: 1 days
Date of occurrence: 2.6.2025
Significance: Less harmful
Discussion
From: milan
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

monitoring
Number of votes for this answer: 0

Pest

Gall mite Eriophyes tiliae

Eriophyes tiliae

Gall mite Eriophyes tiliae

Eriophyes tiliae

roztoce

Received: 2.6.2025
Wood: Lipa
Number: 6071
Date of occurrence: 2.6.2025
Discussion

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Gall mite Eriophyes nervalis
Gall mite Eriophyes nervalis
Number: 6070
Received 2.6.2025
In progress: 1 days
Date of occurrence: 2.6.2025
Significance: Less harmful
Discussion
From: milan
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

monitoring  
Number of votes for this answer: 0

Pest

Gall mite Eriophyes nervalis

Eriophyes nervalis

Gall mite Eriophyes nervalis

Eriophyes nervalis

roztoce

Received: 2.6.2025
Wood: Lipa
Number: 6070
Date of occurrence: 2.6.2025
Discussion

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Red deer
Jeleň lesnýJeleň lesný
Red deer
Number: 6053
Received 1.6.2025
In progress: 1 days
Date of occurrence: 1.6.2025
Significance: Very harmful
Discussion
Assigned: A. Gubka
Country: Slovakia

Question

Answer

Dobrý deň, poskodenie je už staršie o čom svedčia aj zakalusované okraje rany. Je ťažké jednoznačne určiť čo poškodenie spôsobilo. Na základe umiestnenia rany na kmeni, rozsahu poškodenia a druhu dreviny je možnou príčinou obhryz raticovou zverou.  S pozdrevom A. Gubka
Number of votes for this answer: 0

Pest

Red deer

Cervus elaphus

Red deer

Cervus elaphus

zver

Received: 1.6.2025
Wood: Jedľa
Number: 6053
Date of occurrence: 1.6.2025
Discussion

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Red deer
Jeleň lesnýJeleň lesný
Red deer
Number: 6052
Received 1.6.2025
In progress: 1 days
Date of occurrence: 1.6.2025
Significance: Very harmful
Discussion
Assigned: A. Gubka
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za otázku a fotky. Pravdepodobne sa jedná o škody spôsobené zverou. V danej oblasti su škody zverou značným problémom.  s pozdravom A. Gubka
Number of votes for this answer: 0

Pest

Red deer

Cervus elaphus

Red deer

Cervus elaphus

zver

Received: 1.6.2025
Wood: Buk
Number: 6052
Date of occurrence: 1.6.2025
Discussion

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Psyllid Psyllopsis fraxini
Psyllid Psyllopsis fraxini
Number: 6037
Received 30.5.2025
In progress: 0 days
Date of occurrence: 30.5.2025
Significance: Less harmful
Discussion
From: milan
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

monitoring
Number of votes for this answer: 0

Pest

Psyllid Psyllopsis fraxini

Psyllopsis fraxini

Psyllid Psyllopsis fraxini

Psyllopsis fraxini

hmyz

Received: 30.5.2025
Wood: Jaseň
Number: 6037
Date of occurrence: 30.5.2025
Discussion

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