Specimens were collected from the Qinling and Minshan mountains in central China (Fig. 1), and deposited in the Entomological Museum, Northwest A&F University, China (NWAU). Specimens were dissected under a Nikon SMZ 1500 Stereoscopic Zoom microscope. Genitalia were macerated in cold 5% NaOH solution for 3 min and rinsed with distilled water. Wings were measured with a vernier calliper. Adult photographs were taken with a Nikon D7100 digital camera, other images were taken using a scientific digital micrography system, ZEISS SteREO Discovery.V20 equipped with an auto-montage imaging system AxioCam IC. The distribution map was constructed using ArcGIS v10.2 and Adobe Illustrator CC. All photographs were assembled with Adobe Photoshop CS6.
Terminology follows Gao et al. (2016) (link), Hua et al. (2018) (link) and Wang et al. (2019) (link). The following abbreviations and acronyms are applied: A1, first abdominal segment (and so forth for other segments); T1, first tergum (and so forth for other segments).
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