Hoverfly diversity (Diptera: Syrphidae) of Pyrenean oak woodlands in Central-Western Spain: a preliminary study with conservation outcomes

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Title: Hoverfly diversity (Diptera: Syrphidae) of Pyrenean oak woodlands in Central-Western Spain: a preliminary study with conservation outcomes
Authors: Gaytán, Álvaro | Ricarte, Antonio | González-Bornay, Guillermo
Research Group/s: Biodiversidad y Biotecnología aplicadas a la Biología de la Conservación
Center, Department or Service: Universidad de Alicante. Centro Iberoamericano de la Biodiversidad
Keywords: Abundance | Bioindicators | Species richness | Functional groups | Hoverflies | Spain | Quercus pyrenaica
Knowledge Area: Zoología
Issue Date: 21-Dec-2019
Publisher: Springer Nature
Citation: Journal of Insect Conservation. 2020, 24: 163-173. doi:10.1007/s10841-019-00208-z
Abstract: Hoverflies are frequently used as biodiversity indicators and are targets of ecological studies across Europe. How hoverfly diversity responds to ecological variables is essential for species and habitat conservation. The present study is a first attempt to assess the hoverfly diversity of deciduous woodlands of Pyrenean oak (Quercus pyrenaica) in La Vera (Central-Western Spain), a habitat in need of conservation and a region that is poorly known in terms of hoverflies. Hoverflies were sampled with hand net in a mature-woodland site, a young-woodland site, and two close-by grassland sites. A higher number of species and individuals was recorded in woodland sites than in grassland sites, with only two species exclusive to the grasslands and thus, suggesting that woodland sites might be acting as a hoverfly reservoir and source. The proportion of species with phytophagous and saprophagous larvae in woodland sites was higher than outside the woodlands, probably due to a higher availability of resources in woodland sites for phytophagous and saprophagous species. The mature woodland was found to have a higher number of species and individuals than the young woodland, possibly due to the presence of grassy clearings and rotting materials in the trees of the mature woodland. The highest number of species was found in the predatory guild (Syrphinae), and smaller-bodied species within this guild were found to be more frequent in grassland than in woodland sites; possible explanations for this result are discussed. Further investigation is required to confirm and expand the results and conclusions found in this initial study on the hoverfly community of the poorly studied Q. pyrenaica woodlands of Central-Western Spain.
Sponsor: Open access funding provided by Stockholm University. We thank to the ‘Vicerrectorado de Investigación y Transferencia de Conocimiento’ for funding Antonio Ricarte’s position (Ref. UATAL05) at the University of Alicante.
URI: http://hdl.handle.net/10045/102349
ISSN: 1366-638X (Print) | 1572-9753 (Online)
DOI: 10.1007/s10841-019-00208-z
Language: eng
Type: info:eu-repo/semantics/article
Rights: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Peer Review: si
Publisher version: https://doi.org/10.1007/s10841-019-00208-z
Appears in Collections:INV - BBaBC - Artículos de Revistas

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