Stegana (Steganina) spatulata Li & Zhang & Chen 2019, sp. nov.

• Main Authors: Li, Bingxue, Zhang, Yuan, Chen, Hongwei
• Format: Text
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Drosophilidae; Stegana; Stegana spatulata; Stegana steganina spatulata; Saura; Fennoscandia
• Online Access: https://dx.doi.org/10.5281/zenodo.5334822; https://zenodo.org/record/5334822

Stegana (Steganina) spatulata sp. nov. (Figs 2E, 8) Diagnosis. This species resembles S. nigrithorax Strobl, 1898 in some characters of the colour patterns of body (Fig. 2E) and semicircular gonopods (Fig. 8E), but can be distinguished by the median flaps of hypandrium (Hu & Toda, 1994; fused gonopod in Bächli et al ., 2004) concave, spoon-like (Fig. 8E, F); aedeagus with numerous, serrated, minute processes medially (Fig. 8C, D). However, the minimum interspecific genetic distance is 3.1% to S. pililobosa (Table 2). Description. Male: Frons brown. First flagellomere yellow on basal 1/4, brown on distal 3/4. Clypeus yellow, slightly brownish medially. Palpus yellow. Katepisternum entirely white. Scutellum brown (Fig. 2E). Femur of foreleg with 5 long erect setae near distal part of posteroventral surface. Abdominal tergites entirely dark brown medially, yellowish brown laterally (Fig. 2E). Male terminalia (Fig. 8): Epandrium protruded ventrally, with ca. 20 setae on posterior portion per side. Surstylus distally with numerous setulae on inner surface. Cercus lacking pubescence. Tenth sternite with 1 pair of processes submedially. Paramere lacking setula. Measurements . BL = 3.47 mm, ThL = 1.46 mm, WL = 2.90 mm, WW = 1.14 mm, arb = 6/5, avd = 0.77, adf = 1.31, flw = 1.82, FW/HW = 0.28, ch/o = 0.23, prorb = 0.30, rcorb = 0.79, vb = 0.66, dc1 = 0.33, presct1 = 0.35, sct1 = damaged, sterno = 0.88, orbito = 1.45, dcp = 0.30, sct1p = 1.59, C = 2.00, 4c = 1.14, 4v = 1.36, 5x = 1.41, ac = 8.42, M = 0.54, C3F = 0.63. Specimens examined. Holotype ♂ (SCAU, No. 110902), China: Guojiapuzi, Kuandian, Liaoning, 40°46'46''N, 124°45'07''E, altitude 342m, 26.vii.2018, tree trunk, NN Wang. Etymology. From the Latin word: spatulate , referring to the median flaps of hypandrium spoon-like. Distribution. China (Liaoning). : Published as part of Li, Bingxue, Zhang, Yuan & Chen, Hongwei, 2019, Nine new species of the subgenus Stegana (Steganina) from China, with DNA barcoding information (Diptera: Drosophilidae), pp. 81-108 in Zootaxa 4576 (1) on pages 95-96, DOI: 10.11646/zootaxa.4576.1.4, http://zenodo.org/record/2624686 : {"references": ["Hu, Y. G. & Toda, M. J. (1994) The Stegana (Steganina) coleoptrata species-group (Diptera, Drosophilidae), with descriptions of two new species and new records from eastern Palearctic region. Japanese Journal of Entomology, 62, 151 - 160.", "Bachli, G., Vilela, C. R., Escher, S. A. & Saura, A. (2004) The Drosophilidae (Diptera) of Fennoscandia and Denmark. In: Fauna Entomologica Scandinavica. Fol. 39. Brill, Leiden, New York, pp. 362."]}