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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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7470
26.2.2026
A. Kunca
Completed
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7469
26.2.2026
M. Zúbrik
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7456
20.2.2026
A. Kunca
Completed
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7455
19.2.2026
M. Zúbrik
Completed
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7449
17.2.2026
M. Zúbrik
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7448
17.2.2026
V. Longauerová
Completed
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7416
2.2.2026
M. Zúbrik
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7415
2.2.2026
A. Kunca
Completed
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7409
27.1.2026
R. Leontovyč
Completed
7
7407
27.1.2026
A. Kunca
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Blade spruce gall adelgid
Kôrovnica smrekovcováKôrovnica smrekovcová
Blade spruce gall adelgid
Number: 4536
Received 19.5.2024
In progress: 1 days
Date of occurrence: 19.5.2024
Significance: Harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

mohlo by ísť o kôrovnicu smrekovcovú alebo zelenú

Answer

Dobrý deň, ďakujeme za dotaz. Áno, máte pravdu, jedná sa o jedného z uvedených druhov. Nie som si bôbec istý, že ktorý z týchto dvoch druhov to je, nakoľko sa to podobá trochu na jeden a trochu aj na druhý druh. Ale prikloním sa skôr k tomu, že to je kôrovnica smrekovcová. Pekný deň M Zúbrik
Number of votes for this answer: 0

Pest

Blade spruce gall adelgid

Adelges laricis

Blade spruce gall adelgid

Adelges laricis

hmyz

Received: 19.5.2024
Wood: Smrek
Number: 4536
Date of occurrence: 19.5.2024
Discussion

Add comment: Blade spruce gall adelgid

Click beetles
Kováčikovité ElateridaeKováčikovité Elateridae
Click beetles
Number: 4535
Received 19.5.2024
In progress: 1 days
Date of occurrence: 19.5.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Druh čeľade kováčikovité (Elateridae). Bol nájdený na hnijúcom pni buka.

Answer

Dobrý deň, ďakujeme za dotaz. Áno, potvrdzujeme, je to zástupca čeľade Elateridae. Larvy niektorých druhov sa žiavia korinkami rastlín v pôde a môžu byť škodlivé, napríklad v lesných škôlkach. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Click beetles

Elateridae

Click beetles

Elateridae

hmyz

Received: 19.5.2024
Wood: Buk
Number: 4535
Date of occurrence: 19.5.2024
Discussion

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Violet carpenter bee
Violet carpenter bee
Number: 4534
Received 17.5.2024
In progress: 3 days
Date of occurrence: 17.5.2024
Significance: Not harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Dobrý deň, ďakujeme za dotaz. Je to drevár fialový Xylocopa violacea. Veľký druh blanokrídlovca, ktorého larvy sa vyvíjajú v mŕtvom dreve. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Violet carpenter bee

Xylocopa violacea

Violet carpenter bee

Xylocopa violacea

hmyz

Received: 17.5.2024
Wood: Čerešňa
Number: 4534
Date of occurrence: 17.5.2024
Discussion

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Firebug
Cifruša bezkrídla Cifruša bezkrídla Cifruša bezkrídla
Firebug
Number: 4532
Received 17.5.2024
In progress: 0 days
Date of occurrence: 17.5.2024
Significance: Less harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Cifruša bezkrídla (Pyrrhocoris apterus)

Answer

Dobrý deň, ďakujeme za dotaz a pekné fotky. Áno, potvrdzujeme že sa jedná o cifrušu bezkrídlu. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

Firebug

Pyrrhocoris apterus

Firebug

Pyrrhocoris apterus

hmyz

Received: 17.5.2024
Wood: Breza
Number: 4532
Date of occurrence: 17.5.2024
Discussion

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Sinuate pear tree borer
Polník stromovýPolník stromovýPolník stromový
Sinuate pear tree borer
Number: 4531
Received 16.5.2024
In progress: 0 days
Date of occurrence: 16.5.2024
Significance: Less harmful
Discussion
From: froukje
Assigned: M. Zúbrik
Country: The Netherlands

Question

on Mespilus germanica on thin part trunk/first branches. Lg on pictures excavated by woodpeckers. LG zigzagging deeply sunken in the wood, severe damage, but tree still alive. d-shape exit holes 3,5mm wide. not all exit holes are neatly d-shaped.

Answer

Dear Froukje, thanks for this question and a nice pictures. Yes, the gallery seems to me very much like gallery system of Agrilus sinuatus. This species is very probably the author of this gallery. With best regards M. Zubrik
Number of votes for this answer: 0

Pest

Sinuate pear tree borer

Agrilus sinuatus

Sinuate pear tree borer

Agrilus sinuatus

hmyz

Received: 16.5.2024
Wood: Different tree species
Number: 4531
Date of occurrence: 16.5.2024
Discussion

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Agrilus ater
Krasoň topoľovýKrasoň topoľovýKrasoň topoľový
Agrilus ater
Number: 4525
Received 15.5.2024
In progress: 0 days
Date of occurrence: 15.5.2024
Significance: Less harmful
Discussion
From: froukje
Assigned: M. Zúbrik
Country: The Netherlands

Question

large feeding galleries, d-shape exit holes. Could only be agrilus ater? by description agrilus suvurovi could fit. but cannot find a trace or even acknowledgement of existence in the netherlands. is it a new species?

Answer

Thank you for your request and a nice pictures. Yes, it is absolutely sure, these galleries and exit holes belongs to some species from the genus Agrilus. I think it could be A. ater, that is already known from Netherlands. See: https://www.tuite.nl/iwg/Coleoptera/Agrilus_ater2017.pdf. Best regards M. Zubrik
Number of votes for this answer: 0

Pest

Agrilus ater

Agrilus ater

Agrilus ater

Agrilus ater

hmyz

Received: 15.5.2024
Wood: Poplar
Number: 4525
Date of occurrence: 15.5.2024
Discussion

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Oak lace bug
Sietnička dubová
Oak lace bug
Number: 4521
Received 15.5.2024
In progress: 0 days
Date of occurrence: 14.5.2024
Significance: Harmful
Discussion
From: majo
Assigned: M. Zúbrik
Country: Slovakia

Question

Thank you, Marián

Answer

Thanks for request. Thre are eggs of Corythucha arcuata, commonly known as the oak lace bug, on oak leaves. Is a species of true bug belonging to the family Tingidae. It is known for its distinctive lace-like appearance on the leaves of oak trees, caused by its feeding activity. This insect can cause damage to oak trees by sucking sap from the leaves, leading to yellowing, wilting, and premature leaf drop. Best regards M. Zubrik
Number of votes for this answer: 0

Pest

Oak lace bug

Corythucha arcuata

Oak lace bug

Corythucha arcuata

hmyz

Received: 15.5.2024
Wood: Oak
Number: 4521
Date of occurrence: 14.5.2024
Discussion

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Horse-chestnut leaf miner
Horse-chestnut leaf miner
Number: 4520
Received 15.5.2024
In progress: 0 days
Date of occurrence: 13.5.2024
Significance: Harmful
Discussion
From: majo
Assigned: M. Zúbrik
Country: Slovakia

Question

Thank you and best regrads. Marián

Answer

Thanks for regquest. These ochre to brown mines on leaves are caused by larvae of small moth Cameraria ohridella, living insede the parenchyma. Best regards MZ
Number of votes for this answer: 0

Pest

Horse-chestnut leaf miner

Cameraria ohridella

Horse-chestnut leaf miner

Cameraria ohridella

hmyz

Received: 15.5.2024
Wood: Horse Chestnut
Number: 4520
Date of occurrence: 13.5.2024
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

hmyz

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

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European spruce bark beetle
Lykožrút smrekový
European spruce bark beetle
Number: 4516
Received 14.5.2024
In progress: 0 days
Date of occurrence: 13.5.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Lykožrut smrekový?

Answer

Dobrý deň, ďakujeme za dotaz. Áno, je to lykožrút smrekový. S pozdravom M. Zúbrik
Number of votes for this answer: 0

Pest

European spruce bark beetle

Ips typographus

European spruce bark beetle

Ips typographus

hmyz

Received: 14.5.2024
Wood: Smrek
Number: 4516
Date of occurrence: 13.5.2024
Discussion

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Violet carpenter bee
Violet carpenter bee
Number: 4513
Received 14.5.2024
In progress: 0 days
Date of occurrence: 14.5.2024
Significance: Not harmful
Discussion
Assigned: J. Galko
Country: Slovakia

Question

Dobrý deň, dnes objavená diera v tráme ktorý drží strechu malej prístavby. Hmyz vlieta a vylietava von.

Answer

Dobrý deň. Podľa tvaru a priemeru by malo ísť o drevára fialového (Xylocopa violacea). Je to samotárska včela, ktorá si vytvára v takomto materiály svoj požerok, kde potom robí komôrky a kladie vajíčka. Tento druh bol zriedkavý, ale v posledných rokoch je už celkom hojný. Pozrite si naše video na stránke skodcoviadrevin.sk, kde sa dozviete viac. S pozdravom JG
Number of votes for this answer: 0

Pest

Violet carpenter bee

Xylocopa violacea

Violet carpenter bee

Xylocopa violacea

hmyz

Received: 14.5.2024
Wood: -
Number: 4513
Date of occurrence: 14.5.2024
Discussion

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Frost
Frost
Number: 4504
Received 13.5.2024
In progress: 1 days
Date of occurrence: 13.5.2024
Significance: Very harmful
Discussion
Assigned: M. Zúbrik
Country: Slovakia

Question

Answer

Frost damages on young spruce tree. 
Number of votes for this answer: 0

Pest

Frost

Frost

Frost

Frost

ine

Received: 13.5.2024
Wood: Spruce
Number: 4504
Date of occurrence: 13.5.2024
Discussion

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