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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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Plane tree powdery mildew
Múčnatka platanováMúčnatka platanová
Plane tree powdery mildew
Number: 4391
Received 24.4.2024
In progress: 1 days
Date of occurrence: 24.4.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Thank you for your inquiry. This is Erysiphe platani, a fungus commonly known as plane tree powdery mildew or sycamore powdery mildew. It is an invasive species in Europe. While it typically does not cause serious problems, severe attacks can lead to tree decline and reduced plant vigor. Common fungicides may help, but repeated applications are often necessary. With best regards, M. Zubrik.
Number of votes for this answer: 0

Pest

Plane tree powdery mildew

Erysiphe platani

Plane tree powdery mildew

Erysiphe platani

huby

Received: 24.4.2024
Wood: Plane
Number: 4391
Date of occurrence: 24.4.2024
Discussion

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Silver birch aphid
Voška Euceraphis betulaeVoška Euceraphis betulaeVoška Euceraphis betulae
Silver birch aphid
Number: 4388
Received 23.4.2024
In progress: 414 days
Date of occurrence: 23.4.2024
Significance: Less harmful
Discussion
From: rado
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Je to bežná voška na breze Euceraphis betulae. S pozdravom MZ
Number of votes for this answer: 0

Pest

Silver birch aphid

Euceraphis betulae

Silver birch aphid

Euceraphis betulae

hmyz

Received: 23.4.2024
Wood: Breza
Number: 4388
Date of occurrence: 23.4.2024
Discussion

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Gall mite Eriophyes tiliae
Gall mite Eriophyes tiliae
Number: 4367
Received 20.4.2024
In progress: 2 days
Date of occurrence: 20.4.2024
Significance: Less harmful
Discussion
From: Jozef
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za zaujímavý dotaz. Podľa vzhľadu to je roztoč vlnovník lipový Eriophyes tiliae. Vždy som videl len neochlpené hálky, kým v tomto prípade sa jedná o hálky ochlpené a mimoriadne tmavo sfarbené. Takže sa možno jedná o nejaký iný druh resp. nejakú formu E. tiliae. Zatiaľ ho teda ponechám ako E. tiliae, kým sa nepotvrdí, že je to niečo iné. S pozdravom M. Zúbrik  
Number of votes for this answer: 0

Pest

Gall mite Eriophyes tiliae

Eriophyes tiliae

Gall mite Eriophyes tiliae

Eriophyes tiliae

roztoce

Received: 20.4.2024
Wood: Lipa
Number: 4367
Date of occurrence: 20.4.2024
Discussion

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Mottled umber moth
Piadivka zimná
Mottled umber moth
Number: 4358
Received 20.4.2024
In progress: 2 days
Date of occurrence: 20.4.2024
Significance: Very harmful
Discussion
From: KB
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Na fotografiách sa nachádza húsenica druhu piadivka zimná Erannis defoliaria. Je to nebezpečný škodca stromov v záhradách aj v lesoch. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Mottled umber moth

Erannis defoliaria

Mottled umber moth

Erannis defoliaria

hmyz

Received: 20.4.2024
Wood: -
Number: 4358
Date of occurrence: 20.4.2024
Discussion

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Winter moth
Piadivka jesenná
Winter moth
Number: 4352
Received 18.4.2024
In progress: 1 days
Date of occurrence: 18.4.2024
Significance: Very harmful
Discussion
From: majo
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Ahoj Majo, nedá sa to z tej fotky určiť úplne presne a jednoznačne, ale ja to zaradím k piadivke jesennej Operopthera brumata. Maj sa pekne a pekný deň! Milan
Number of votes for this answer: 0

Pest

Winter moth

Operopthera brumata

Winter moth

Operopthera brumata

hmyz

Received: 18.4.2024
Wood: Čerešňa
Number: 4352
Date of occurrence: 18.4.2024
Discussion

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Long-horned beetle Cerambyx scopolii
Long-horned beetle Cerambyx scopolii
Number: 4348
Received 17.4.2024
In progress: 0 days
Date of occurrence: 17.4.2024
Significance: Less harmful
Discussion
From: Baxakugo
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Na obrázku je Fuzáč bukový Cerambyx scopolii. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Long-horned beetle Cerambyx scopolii

Cerambyx scopolii

Long-horned beetle Cerambyx scopolii

Cerambyx scopolii

hmyz

Received: 17.4.2024
Wood: -
Number: 4348
Date of occurrence: 17.4.2024
Discussion

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Yellow curtain crust
Pevník žltnúciPevník žltnúci
Yellow curtain crust
Number: 4346
Received 16.4.2024
In progress: 9 days
Date of occurrence: 6.4.2024
Significance: Very harmful
Discussion
Assigned: V. Longauerová
Country: Slovakia

Question

Stereum subtomentosum

Answer

Dobrý deň,  áno podľa foto sa jedná o pevník žltnúci. Pekný deň. V. Longauerová
Number of votes for this answer: 0

Pest

Yellow curtain crust

Stereum subtomentosum

Yellow curtain crust

Stereum subtomentosum

huby

Received: 16.4.2024
Wood: Buk
Number: 4346
Date of occurrence: 6.4.2024
Discussion

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Lime seed bug
Lime seed bug
Number: 4336
Received 16.4.2024
In progress: 0 days
Date of occurrence: 16.4.2024
Significance: Less harmful
Discussion
From: Dávid
Assigned: M. Zúbrik
Country: Slovakia

Question

zhluk jedincov na kmeni

Answer

Dobrý deň, jedná sa o druh bzdochy Oxycarenus lavaterae. Rozširuje sa k nám z juhu Európy. Viac o nej tu: https://www.skodcoviadrevin.sk/skodca/bzdocha-oxycarenus-lavaterae. Pekný deň MZ.
Number of votes for this answer: 0

Pest

Lime seed bug

Oxycarenus lavaterae

Lime seed bug

Oxycarenus lavaterae

hmyz

Received: 16.4.2024
Wood: Lipa
Number: 4336
Date of occurrence: 16.4.2024
Discussion

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Mottled umber moth
Piadivka zimná
Mottled umber moth
Number: 4334
Received 15.4.2024
In progress: 1 days
Date of occurrence: 15.4.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

dobrý večer, môžem vás poprosiť o určenie škodcu ktorý spôsobil tento žer na buku ?

Answer

Dobrý deň, toto poškodenie spôsobili húsenice nejakého väčšieho druhu piadiviek (Geometridae). Odhadujem, že to mohla byť piadivka zimná Eannis defoliaria ale nedá sa vylúčiť prítomnosť aj iných druhov. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Mottled umber moth

Erannis defoliaria

Mottled umber moth

Erannis defoliaria

hmyz

Received: 15.4.2024
Wood: Buk
Number: 4334
Date of occurrence: 15.4.2024
Discussion

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Mite Aceria macrotrichus
Roztoč Aceria macrotrichusRoztoč Aceria macrotrichus
Mite Aceria macrotrichus
Number: 4330
Received 15.4.2024
In progress: 1 days
Date of occurrence: 15.4.2024
Significance: Less harmful
Discussion
From: majo
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Takto skrúca listy bežný druh roztoča na listoch hraba - roztoč Aceria macrotrichus. S podzravom M. Zúbrik
Number of votes for this answer: 0

Pest

Mite Aceria macrotrichus

Aceria macrotrichus

Mite Aceria macrotrichus

Aceria macrotrichus

roztoce

Received: 15.4.2024
Wood: Hrab
Number: 4330
Date of occurrence: 15.4.2024
Discussion

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Gall mite Eriophyes similis
Roztoč Eriophyes similisRoztoč Eriophyes similis
Gall mite Eriophyes similis
Number: 4327
Received 15.4.2024
In progress: 0 days
Date of occurrence: 15.4.2024
Significance: Less harmful
Discussion
From: Vik Duc
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Je to roztoč Eriophyes similis. Častý napríklad na trnkách. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Gall mite Eriophyes similis

Eriophyes similis

Gall mite Eriophyes similis

Eriophyes similis

roztoce

Received: 15.4.2024
Wood: Slivka
Number: 4327
Date of occurrence: 15.4.2024
Discussion

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Red deer
Jeleň lesnýJeleň lesný
Red deer
Number: 4324
Received 15.4.2024
In progress: 0 days
Date of occurrence: 13.4.2024
Significance: Very harmful
Discussion
Assigned: A. Gubka
Country: Slovakia

Question

Answer

Dobrý deň, na jar kedy sa zver zbavuje zimnej srsti sa pomerne čato obtiera o kmene stromov s hrubšou borkou (borovica, smrekovec, dub...). PokiaĽ sa na kmeni nachádza živica je takýto strom potom ľahko identifikovateľný, pretože srsť ostáva nalepená na kmeni. Z fotky sa nedá jednoznačne určiť o akú zver sa jedná, no zdá sa mi že na diviaka je to možno vysoko.
Number of votes for this answer: 0

Pest

Red deer

Cervus elaphus

Red deer

Cervus elaphus

zver

Received: 15.4.2024
Wood: Smrekovec
Number: 4324
Date of occurrence: 13.4.2024
Discussion

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