Integrative taxonomy confirms two new West-Palaearctic species allied with Chrysotoxum vernale Loew, 1841 (Diptera: Syrp
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ORIGINAL ARTICLE
Integrative taxonomy confirms two new West-Palaearctic species allied with Chrysotoxum vernale Loew, 1841 (Diptera: Syrphidae) Zorica Nedeljković 1,2 & Antonio Ricarte 2 & Ljiljana Šašić Zorić 1 & Mihajla Djan 3 & Rüstem Hayat 4 & Ante Vujić 3 & Mª Ángeles Marcos-García 2 Received: 19 June 2019 / Accepted: 1 October 2020 / Published online: 3 November 2020 # Gesellschaft für Biologische Systematik 2020
Abstract The taxonomy of the syrphid genus Chrysotoxum Meigen, 1803 (Diptera: Syrphidae), is complex and currently under scrutiny. Two new species allied with Chrysotoxum vernale, one from the Western Mediterranean, Chrysotoxum hispanicum sp. n. and the other from the Eastern Mediterranean, Chysotoxum anatolicum sp. n., are described and illustrated. Chrysotoxum hispanicum sp. n. is distinguished from the similar C. vernale Loew by the size of the yellow abdominal fasciae and shape of surstyli. Chrysotoxum anatolicum sp. n., known only from females, possesses an almost entirely yellow-pigmented wing, unusual amongst the other studied species of the C. vernale group. Additionally, C. hispanicum sp. n. and C. anatolicum sp. n. are separated from each other, as well as from other species of the C. vernale group by COI and ITS2 gene markers. An identification key to the West Palaearctic species of the C. vernale group is provided. Keywords Adult morphology . COI . ITS2 . Chrysotoxum hispanicum sp. n. . Chrysotoxum anatolicum sp. n. . Identification key
Introduction Within the family Syrphidae (Diptera), the subfamily Syrphinae (syrphines) consists of four tribes and 57 genera, 42 of which belong to the widespread tribe Syrphini (Mengual et al. 2008). Chrysotoxum Meigen, 1803, is one
of the most distinctive Syrphini genera, with adults appearing as Batesian mimics of social wasps due to their long antennae, black and yellow bodies and oval to elongate, convex abdomens (Van Veen 2004). Larval biology is poorly known, but some species have been recorded in association with ant-attended root aphids (Aphididae)
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s13127-020-00465-w) contains supplementary material, which is available to authorized users. * Zorica Nedeljković [email protected] Antonio Ricarte [email protected]
Mª Ángeles Marcos-García [email protected] 1
BioSense Institute-Research Institute for Information Technologies in Biosystems, University of Novi Sad, Dr Zorana Đinđića 1, Novi Sad 21000, Serbia
2
Centro Iberoamericano de la Biodiversidad (CIBIO), University of Alicante, 03690 San Vicente del Raspeig, Alicante, Spain
3
Faculty of Sciences, Department of Biology and Ecology, University of Novi Sad, Trg Dositeja Obradovića 2, Novi Sad 21000, Serbia
4
Faculty of Agriculture, Department of Plant Protection, Akdeniz University, 07059 Antalya, Turkey
Ljiljana Šašić Zorić [email protected] Mihajla Djan [email protected] Rüstem Hayat [email protected] Ante Vujić [email protected]
822
(Rotheray 1993). According to molecula
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