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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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Greater horntail wasp
Pílovka veľkáPílovka veľká
Greater horntail wasp
Number: 4776
Received 2.7.2024
In progress: 0 days
Date of occurrence: 2.7.2024
Significance: Harmful
Discussion
From: majo
Assigned: S. Rell
Country: Slovakia

Question

Answer

Ahoj, pílovka veľká Urocerus gigas
Number of votes for this answer: 0

Pest

Greater horntail wasp

Urocerus gigas

Greater horntail wasp

Urocerus gigas

hmyz

Received: 2.7.2024
Wood: Smrek
Number: 4776
Date of occurrence: 2.7.2024
Discussion

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Gall mite of Holly oak
Roztoč Aceria ilicis
Gall mite of Holly oak
Number: 4775
Received 1.7.2024
In progress: 0 days
Date of occurrence: 1.7.2024
Significance: Less harmful
Discussion
From: Sara
Assigned: M. Zúbrik
Country: Belgium

Question

Brown spots at the bottom of the leaf and bubbles on the top of the leaf.

Answer

Dear Sara, thank you for your inquiry. The species is an acari (Acari: Eriophyoidea - gall mite) known as Aceria ilicis. It is known to cause damage to oak, specifically Quercus ilex. To control this infestation, please purchase some acaricide from the nearest garden shop and apply it according to the instructions. Best regards, M. Zubrik
Number of votes for this answer: 0

Pest

Gall mite of Holly oak

Aceria ilicis

Gall mite of Holly oak

Aceria ilicis

roztoce

Received: 1.7.2024
Wood: Oak
Number: 4775
Date of occurrence: 1.7.2024
Discussion

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Cherry leaf spot
Cherry leaf spot
Number: 4763
Received 26.6.2024
In progress: 1 days
Date of occurrence: 26.6.2024
Significance: Less harmful
Discussion
Assigned: V. Longauerová
Country: Slovakia

Question

dobry den, opadla polovica listov zo stromu (v skutočnosti višňa). mohlo by sa prosim jednat o Blumeriellu Jaapi? dakujem

Answer

Dobrý deň,  podľa foto sa pravdepodobne jedná o blumerielku čerešňovú. Viac tu https://www.skodcoviadrevin.sk/skodca/blumerielka-ceresnova. Ochrana fungicídmi 3-4 týždne po odkvitnutí. Vhodné sú prípravky s účinnou látkou mancozeb, fluopyram+trebuconazole, boscalid+paraclostrobin, dithianon. Použiť možno prípravky Signum, ANTRE 70 WG, HORIZON 250 EW. Ošetrenie opakujeme po 10 dňoch. Na zvýšenie odolnosti stromov proti hubovým ochoreniam možno použiť mikrobiálny prípravok NovaFerm® SIRIUS (v koncentrácii 1,2 %). Aplikuje sa 3 až 4 týždne po odkvitnutí a podľa potreby je možné ho v 15-dňových intervaloch opakovať. Pekný deň,  V. Longauerová
Number of votes for this answer: 0

Pest

Cherry leaf spot

Blumeriella jaapii

Cherry leaf spot

Blumeriella jaapii

huby

Received: 26.6.2024
Wood: Čerešňa
Number: 4763
Date of occurrence: 26.6.2024
Discussion

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Web-spinning pine-sawfly
Web-spinning pine-sawfly
Number: 4756
Received 25.6.2024
In progress: 0 days
Date of occurrence: 25.6.2024
Significance: Harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Je to ploskanka sadenicová Acantholyda hieroglyphica. Húsenica žije vo vaku s trusu. Žerie ohlice. Odporúčame zber vakov a ich mechanická likvidácia poprípade chemický postrek. S  pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Web-spinning pine-sawfly

Acantholyda hieroglyphica

Web-spinning pine-sawfly

Acantholyda hieroglyphica

hmyz

Received: 25.6.2024
Wood: Borovica
Number: 4756
Date of occurrence: 25.6.2024
Discussion

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Oleander knot
Bakteriálne ochorenie oleandrovBakteriálne ochorenie oleandrov
Oleander knot
Number: 4754
Received 23.6.2024
In progress: 2 days
Date of occurrence: 22.6.2024
Significance: Very harmful
Discussion
From: Ingrid
Assigned: M. Zúbrik
Country: Slovakia

Question

Dobrý deň, posielam fotografie napadnutých oleandrov.Škodcovia sa objavujú na listoch, hlavne na nových výhonkoch. Najskôr sa vytvorí hrčka na liste, neskôr sa list zdeformuje. Napadnuté výhonky odstrihávam a likvidujem, žiaľ, objavujú sa ďalšie. Prosím radu, čím možno týchto škodcov zlikvidovať úplne. Vopred ďakujem. Ingrid

Answer

Dobrý deň, ďakujeme za dotaz. Poškodenie spôsobuje baktéria Pseudomonas savastanoi pv. nerii , ktorá je pôvodcom parenchymatóznych hálok na listoch oleandrov. Často sú prítomné na listoch žlté škvrny a rôzne deformácie listov. Na hornej strane povrchu listov môžu byť malé okrúhle hálky (uzlíky, výrastky). P. savastanoi môže byť vážnym škodcom pri produkcii oleandrov v črepníkoch na okrasné účely. Silnejší rez a odstránenie napadnutých častí rastliny zo záhrady mohlo nákazu spomaliť ale pravdepodobne nie úplne odstrániť. Chemické ošetrenie na toto ochorenie neexistuje. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Oleander knot

Pseudomonas savastanoi nerii

Oleander knot

Pseudomonas savastanoi nerii

bakterie a virusy

Received: 23.6.2024
Wood: Oleander
Number: 4754
Date of occurrence: 22.6.2024
Discussion

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Ganoderma applanatum (= lipsiense)
Lesklokôrovka plochá
Ganoderma applanatum (= lipsiense)
Number: 4753
Received 23.6.2024
In progress: 1 days
Date of occurrence: 22.6.2024
Significance: Harmful
Discussion
Assigned: V. Longauerová
Country: Slovakia

Question

Answer

Dobrý deň,  podľa foto sa jedná o  lesklokôrku plochú. Viac si prečítate tu https://www.skodcoviadrevin.sk/skodca/lesklokorovka-plocha Pekný deň. V. Longauerová
Number of votes for this answer: 0

Pest

Ganoderma applanatum (= lipsiense)

Ganoderma applanatum (= lipsiense)

Ganoderma applanatum (= lipsiense)

Ganoderma applanatum (= lipsiense)

huby

Received: 23.6.2024
Wood: -
Number: 4753
Date of occurrence: 22.6.2024
Discussion

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Turkey tail
Turkey tail
Number: 4746
Received 19.6.2024
In progress: 9 days
Date of occurrence: 19.6.2024
Significance: Less harmful
Discussion
From: Damián
Assigned: V. Longauerová
Country: Slovakia

Question

Answer

Dobrý deň,  podľa foto sa pravdepodobne jedná o trúdnikovec pestrý. Viac si prečítate tu https://www.skodcoviadrevin.sk/skodca/trudnikovec-pestry Pekný deň.  V. Longauerová
Number of votes for this answer: 0

Pest

Turkey tail

Trametes versicolor

Turkey tail

Trametes versicolor

huby

Received: 19.6.2024
Wood: Buk
Number: 4746
Date of occurrence: 19.6.2024
Discussion

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Oleander knot
Oleander knot
Number: 4745
Received 19.6.2024
In progress: 0 days
Date of occurrence: 19.6.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Monitoring: Pseudomonas savastanoi nerii
Number of votes for this answer: 0

Pest

Oleander knot

Pseudomonas savastanoi nerii

Oleander knot

Pseudomonas savastanoi nerii

bakterie a virusy

Received: 19.6.2024
Wood: Oleander
Number: 4745
Date of occurrence: 19.6.2024
Discussion

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Flea beetle Crepidodera spp.
Flea beetle Crepidodera spp.
Number: 4733
Received 16.6.2024
In progress: 8 days
Date of occurrence: 16.6.2024
Significance: Harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Je to zrejme nejaký zásupca rodu Crepidodera spp. malých liskaviek čeľade Chrysomelidae. Ich larvy a aj imága poškodzujú listy stromov. S pozdravom M. Zúbrik 
Number of votes for this answer: 0

Pest

Flea beetle Crepidodera spp.

Crepidodera spp.

Flea beetle Crepidodera spp.

Crepidodera spp.

hmyz

Received: 16.6.2024
Wood: Vŕba
Number: 4733
Date of occurrence: 16.6.2024
Discussion

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Great capricorn beetle
Great capricorn beetle
Number: 4721
Received 13.6.2024
In progress: 1 days
Date of occurrence: 13.6.2024
Significance: Harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Monitoring: Cerambyx cerdo
Number of votes for this answer: 0

Pest

Great capricorn beetle

Cerambyx cerdo

Great capricorn beetle

Cerambyx cerdo

hmyz

Received: 13.6.2024
Wood: Oak
Number: 4721
Date of occurrence: 13.6.2024
Discussion

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Oak powdery mildew
Oak powdery mildew
Number: 4711
Received 12.6.2024
In progress: 0 days
Date of occurrence: 12.6.2024
Significance: Harmful
Discussion
From: Andrej
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Monitoring: Microsphaera alphitoides
Number of votes for this answer: 0

Pest

Oak powdery mildew

Microsphaera alphitoides

Oak powdery mildew

Microsphaera alphitoides

huby

Received: 12.6.2024
Wood: Dub
Number: 4711
Date of occurrence: 12.6.2024
Discussion

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Common pine shoot beetle
Common pine shoot beetle
Number: 4710
Received 12.6.2024
In progress: 0 days
Date of occurrence: 12.6.2024
Significance: Very harmful
Discussion
From: Andrej
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Monitoring: Tomicus piniperda
Number of votes for this answer: 0

Pest

Common pine shoot beetle

Tomicus piniperda

Common pine shoot beetle

Tomicus piniperda

hmyz

Received: 12.6.2024
Wood: Borovica
Number: 4710
Date of occurrence: 12.6.2024
Discussion

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