An integrated approach to delimiting species borders in the genus Chrysotoxum Meigen, 1803 (Diptera: Syrphidae), with description of two new species

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Title: An integrated approach to delimiting species borders in the genus Chrysotoxum Meigen, 1803 (Diptera: Syrphidae), with description of two new species
Authors: Nedeljković, Zorica | Ačanski, Jelena | Đan, Mihajla | Obreht-Vidaković, Dragana | Ricarte, Antonio | Vujić, Ante
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: Balkan Peninsula | C. montanum sp. nov. | C. orthostylum sp. nov. | Ecological niche | Geometric morphometry | Lectotype | mtDNA COI sequences | Syrphinae
Knowledge Area: Zoología
Issue Date: 2015
Publisher: Naturalis Biodiversity Center
Citation: Contributions to Zoology. 2015, 84(4): 285-304
Abstract: Integrative taxonomy tests the validity of taxa using methods additional to traditional morphology. The existence of two different morphotypes in specimens identified as Chrysotoxum vernale Loew (Diptera: Syrphidae) prompted their taxonomic study using an integrative approach that included morphology, wing and male-surstylus geometric morphometrics, genetic and ecological analyses. As a result, a new species is recognised, Chrysotoxum montanum Nedeljković & Vujić sp. nov., and C. vernale is re-defined. A lectotype and paralectotypes are designated for C. vernale to stabilize this concept. An additional species, Chrysotoxum orthostylum Vujić sp. nov., with distinctive male genitalia is also described. The three species share an antenna with the basoflagellomere shorter than the scape plus pedicel and terga with yellow fasciae not reaching the lateral margins. This study confirms the value of integrative approach for resolving species boundaries.
Sponsor: Financial support was provided by the Serbian Ministry of Education, Science and Technological Development (projects OI173002 and III43002), the Provincial Secretariat for Science and Technological Development (project ‘Genetic resources of agro-ecosystems in Vojvodina and sustainable agriculture’), the Transnational Access to Research Infrastructures activity in the FP7 of the EC (ExpeER project, TA visit ‘STEPS’) and the FP7 EU project, Innosense.
ISSN: 0067-8546 (Print) | 1875-9866 (Online)
Language: eng
Type: info:eu-repo/semantics/article
Rights: Creative Commons Attribution 4.0 License
Peer Review: si
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