Extracting secondary data from citizen science images reveals host flower preferences of the Mexican grass‐carrying wasp Isodontia mexicana in its native and introduced ranges

Pernat, Nadja; Memedemin, Daniyar; August, Tom ORCID: https://orcid.org/0000-0003-1116-3385; Preda, Cristina; Reyserhove, Lien; Schirmel, Jens; Groom, Quentin. 2024 Extracting secondary data from citizen science images reveals host flower preferences of the Mexican grass‐carrying wasp Isodontia mexicana in its native and introduced ranges. Ecology and Evolution, 14 (6), e11537. 16, pp. https://doi.org/10.1002/ece3.11537

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Abstract/Summary

We investigated the plant-pollinator interactions of the Mexican grass-carrying wasp Isodontia mexicana—native to North America and introduced in Europe in the 1960s—through the use of secondary data from citizen science observations. We applied a novel data exchange workflow from two global citizen science platforms, iNaturalist and Pl@ntNet. Images from iNaturalist of the wasp were used to query the Pl@ntNet application to identify possible plant species present in the pictures. Simultaneously, botanists manually identified the plants at family, genus and species levels and additionally documented flower color and biotic interactions. The goals were to calibrate Pl@ntNet's accuracy in relation to this workflow, update the list of plant species that I. mexicana visits as well as its flower color preferences in its native and introduced ranges. In addition, we investigated the types and corresponding frequencies of other biotic interactions incidentally captured on the citizen scientists' images. Although the list of known host plants could be expanded, identifying the flora from images that predominantly show an insect proved difficult for both experts and the Pl@ntNet app. The workflow performs with a 75% probability of correct identification of the plant at the species level from a score of 0.8, and with over 90% chance of correct family and genus identification from a score of 0.5. Although the number of images above these scores may be limited due to the flower parts present on the pictures, our approach can help to get an overview into species interactions and generate more specific research questions. It could be used as a triaging method to select images for further investigation. Additionally, the manual analysis of the images has shown that the information they contain offers great potential for learning more about the ecology of an introduced species in its new range.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1002/ece3.11537
UKCEH and CEH Sections/Science Areas:	Biodiversity (Science Area 2017-)
ISSN:	2045-7758
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
Additional Keywords:	biodiversity, citizen science, ecological interactions, invasion biology, pollinator, secondary data
NORA Subject Terms:	Ecology and Environment Data and Information
Related URLs:	Other
Date made live:	17 Jun 2024 11:01 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/537585

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