File name: ReadMe-Macrosaccus-ver1

This (ReadMe) file was created on 2025-09-24 by Natalia I. Kirichenko and Maarten de Groot

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GENERAL INFORMATION
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Name of the dataset:  Macrosaccus robiniella (Lepidoptera: Gracillariidae) and leaf mine types 

Authors
Name and surname: Natalia I. Kirichenko 1,2,3,4,*, Maria A. Ryazanova 2,4, Oksana V. Kosheleva 5, Stanislav Gomboc 6, Barbara Piškur 1 and Maarten de Groot 1,*

Institution/Affiliation: 
1	Slovenian Forestry Institute, Večna pot 2, 1000 Ljubljana, Slovenia; nkirichenko@yahoo.com ; maarten.degroot@gozdis.si ; barbara.piskur@gozdis.si 
2	Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Federal Research Center "Krasnoyarsk Science Center SB RAS", Akademgorodok 50/28, 660036 Krasnoyarsk, Russia; rznv.m@mail.ru
3	All-Russian Plant Quarantine Center, Krasnoyarsk branch, st. Zhelyabova, 6/6, Krasnoyarsk 660020, Russia
4	Institute of Ecology and Geography, Siberian Federal University, Svobodny pr. 79, 660041 Krasnoyarsk, Russia
5	All-Russian Institute of Plant Protection (FSBSI VIZR), Podbelskogo 3, Saint Petersburg, 196608, Russia; koscheleva_o@mail.ru 
6	Independent Researcher, Gančani 110, 9231 Beltinci, Slovenia; stanislav.gomboc@siol.net 
*	Correspondence: Natalia Kirichenko (nkirichenko@yahoo.com), Maarten de Groot (maarten.degroot@gozdis.si)

ROR organization identifier: <source: https://ror.org/; for SFI/GIS: https://ror.org/0232eqz57 >
Email: nkirichenko@yahoo.com
Email: maarten.degroot@gozdis.si

Date of data collection: from 2005-05-01 to 2024-05-01

Geographical location of data collection: North America, Europe

Information on the funders/programmes/projects that made the data collection possible:
the core research group Forest Biology, Ecology and Technology (P4-0107) of the Slovenian Research and Innovation Agency
the Russian Science Foundation (grant No. 22-16-00075-P)

10.20315/Data.0009
License: CC BY 4.0 https://creativecommons.org/licenses/by/4.0/legalcode.en


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SHARING/ACCESSING INFORMATION
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Data licences/restrictions: -

Links to publications that cite or use the data: 
Kirichenko, N.I.; Ryazanova, M.A.; Kosheleva, O.V.; Gomboc, S.; Piškur, B.; de Groot, M. Overcoming Biases in Opportunistic Citizen Science for Studying Life History Traits of an Invasive Leaf-Mining Tree Insect Pest. Insects 2025, 16, 929. https://doi.org/10.3390/insects16090929

Was the data obtained from another source? YES
If yes, please specify the source(s):  iNaturalist (https://www.inaturalist.org/)

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VIEWING DATA AND FILES
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File list: <list of all files or folders, with a short description>

a)	List 1 - Search variant I (Number of incidents, i.e., occurrence of a specific Macrosaccus robiniella mine type in photographs, retrieved from iNaturalist using search variants (I): images posted under the name M. robiniella)

b)	List 2 - Search variant II (Number of incidents, i.e., occurrence of a specific Macrosaccus robiniella mine type in photographs, retrieved from iNaturalist using search variants (II):  images posted under the names of endophagous foliar insects that are invasive in Europe (i.e., M. robiniella, Parectopa robiniella, Chrysaster ostensackenella, and Obolodiplosis robiniae))

c)	List 3 - Search variant III (Number of incidents, i.e., occurrence of a specific Macrosaccus robiniella mine type in photographs, retrieved from iNaturalist using search variants (III): images posted under the name of the host plant, Robinia pseudoacacia)

Are there multiple versions of the dataset? NO

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METHODOLOGICAL INFORMATION
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Description of the methods used to collect/obtain the data: 
Data processing methods can be found in the article: Kirichenko, N.I.; Ryazanova, M.A.; Kosheleva, O.V.; Gomboc, S.; Piškur, B.; de Groot, M. Overcoming Biases in Opportunistic Citizen Science for Studying Life History Traits of an Invasive Leaf-Mining Tree Insect Pest. Insects 2025, 16, 929. https://doi.org/10.3390/insects16090929

Data processing methods: see in Kirichenko, N.I.; Ryazanova, M.A.; Kosheleva, O.V.; Gomboc, S.; Piškur, B.; de Groot, M. Overcoming Biases in Opportunistic Citizen Science for Studying Life History Traits of an Invasive Leaf-Mining Tree Insect Pest. Insects 2025, 16, 929. https://doi.org/10.3390/insects16090929

Software information: R (R Core Team. R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria, 2024. https://www.R-project.org/)

Experimental conditions: opportunistic observations

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DATA-SPECIFIC INFORMATION: [FILENAME] <repeat this section for each dataset, folder or file>
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List of variables: 

List 1: search variant I

No.: case number
Range: the range of Macrosaccus robiniella in 1 - primarily range, 2 - secondary (invaded) range
Continent: the continent where the species is present (North America or Europe)
Country: the country where the species was recorded in North America and Europe
Place: the states (for USA), provinces (for Canada) where the  species was recorded
Year: the year of the species record
Mine type 1: occurrence of the Macrosaccus robiniella mine of type 1 (i.e., lower side leaf mines on a half of leaf blade - classic type) in photographs
Mine type 2: occurrence of the Macrosaccus robiniella mine of type 2 (i.e., lower side leaf mines on a half of a leaf blade) in photographs
Mine type 3: occurrence of the Macrosaccus robiniella mine of type 3 (i.e., upper side leaf mines above midrib - Parectopa-like) in photographs
Mine type 4: occurrence of the Macrosaccus robiniella mine of type 4 (i.e., upper side leaf mines at the leaf edge - Obolodiplosis-like) in photographs

List 2: search variant II

No.: case number
Range: the range of Macrosaccus robiniella in 1 - primarily range, 2 - secondary (invaded) range
Continent: the continent where the species is present (North America or Europe)
Country: the country where the species was recorded in North America and Europe
Place: the states (for USA), provinces (for Canada) where the  species was recorded
Year: the year of the species record
Mine type 1: occurrence of the Macrosaccus robiniella mine of type 1 (i.e., lower side leaf mines on a half of leaf blade - classic type) in photographs
Mine type 2: occurrence of the Macrosaccus robiniella mine of type 2 (i.e., lower side leaf mines on a half of a leaf blade) in photographs
Mine type 3: occurrence of the Macrosaccus robiniella mine of type 3 (i.e., upper side leaf mines above midrib - Parectopa-like) in photographs
Mine type 4: occurrence of the Macrosaccus robiniella mine of type 4 (i.e., upper side leaf mines at the leaf edge - Obolodiplosis-like) in photographs

List 3: search variant III

No.: case number
Range: the range of Macrosaccus robiniella in 1 - primarily range, 2 - secondary (invaded) range
Continent: the continent where the species is present (North America or Europe)
Country: the country where the species was recorded in North America and Europe
Place: the states (for USA), provinces (for Canada) where the  species was recorded
Year: the year of the species record
Mine type 1: occurrence of the Macrosaccus robiniella mine of type 1 (i.e., lower side leaf mines on a half of leaf blade - classic type) in photographs
Mine type 2: occurrence of the Macrosaccus robiniella mine of type 2 (i.e., lower side leaf mines on a half of a leaf blade) in photographs
Mine type 3: occurrence of the Macrosaccus robiniella mine of type 3 (i.e., upper side leaf mines above midrib - Parectopa-like) in photographs
Mine type 4: occurrence of the Macrosaccus robiniella mine of type 4 (i.e., upper side leaf mines at the leaf edge - Obolodiplosis-like) in photographs
