Unveiling the Mainland vs. Insular Variability of the Eumerus barbarus Species Group (Diptera: Syrphidae) in the Western Mediterranean Basin †
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Examined Material
2.3. Morphological Study
2.4. Molecular Study
3. Results
3.1. Morphological Study
3.2. Genetic Approach
3.3. New Species Description
- =Eumerus aff. sulcitibius
- urn:lsid:zoobank.org:act:FA53A8A6-D58C-4DE8-AF0C-1F31194385C4.
- Holotype
- Paratype
3.4. Key to Males of the E. barbarus Group from the Western Mediterranean Basin
- 1. Hind trochanter with a rounded-to-triangular, ventromedial expansion. Hind femur is thickened. Posterior surstylar lobe of male genitalia is slender and hook-shaped at the apex … E. barbarus group
- −
- A different combination of features … Other species groups
- 2. Hind femur with 2–3 long black spinae ventrally, clearly different from those of the apicoposterior row of spinae (van Steenis et al. [5]: figure 8d). Hind tibia with a concave depression medioventrally (van Steenis et al. [5]: figure 9b) … 3
- −
- Hind femur without those distinctive long spinae, only with the characteristic apicoventral rows of short spinae … 4
- 3. The entire surface of the scutum is covered with black and yellow hairs intermixed. Posterior surstylar lobe of genitalia is slightly thickened medially (Figure 10b) … E. sardus sp. n.
- −
- Anterior half of the scutum only with yellow hairs. Posterior surstylar lobe of genitalia is uniform in width (Figure 10c) … E. sulcitibius
- 4. Scutum covered with white hairs. Terga II–IV with broad, white pollinose maculae (van Steenis et al. [5]: figure 1f). Posterior surstylar lobe of the genitalia is rounded at its apex (van Steenis et al. [5]: figure 11c) … E. schmideggeri
- −
- Hairs on the scutum are predominately yellow (some black hairs may appear). Maculae on terga II–IV are narrow … 5
4. Discussion
4.1. Morphological Assessment
4.2. Spatial Genetic Diversity
4.3. Distribution and Conservation
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Aguado-Aranda, P.; Ricarte, A.; Nedeljković, Z.; Hauser, M.; Kelso, S.; Sainz-Escudero, L.; Skevington, J.H.; Marcos-García, M.Á. Unveiling the Mainland vs. Insular Variability of the Eumerus barbarus Species Group (Diptera: Syrphidae) in the Western Mediterranean Basin. Insects 2024, 15, 239. https://doi.org/10.3390/insects15040239
Aguado-Aranda P, Ricarte A, Nedeljković Z, Hauser M, Kelso S, Sainz-Escudero L, Skevington JH, Marcos-García MÁ. Unveiling the Mainland vs. Insular Variability of the Eumerus barbarus Species Group (Diptera: Syrphidae) in the Western Mediterranean Basin. Insects. 2024; 15(4):239. https://doi.org/10.3390/insects15040239
Chicago/Turabian StyleAguado-Aranda, Pablo, Antonio Ricarte, Zorica Nedeljković, Martin Hauser, Scott Kelso, Lucía Sainz-Escudero, Jeffrey H. Skevington, and María Ángeles Marcos-García. 2024. "Unveiling the Mainland vs. Insular Variability of the Eumerus barbarus Species Group (Diptera: Syrphidae) in the Western Mediterranean Basin" Insects 15, no. 4: 239. https://doi.org/10.3390/insects15040239