Megatrachelus politus

• Main Authors: Pan, Zhao, Ren, Guo-Dong
• Format: Text
• Language: unknown
• Published: Zenodo 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Brentidae; Megatrachelus; Megatrachelus politus; Ewenki; ren
• Online Access: https://dx.doi.org/10.5281/zenodo.4397931; https://zenodo.org/record/4397931

Megatrachelus politus (Gebler, 1832) Zonitis polita Gebler, 1832: 58. Type locality: “Sibérie Orientale”. Type depository: ZIN. Megatrachelus politus : Motschulsky 1845: 83. Schroetteria polita : Reitter 1911: 395. Schroetteria polita a. dilutipennis Reitter, 1911: 395 (unavailable name). Type locality: “ Shangai Geb.” (= Shanghai, China). Type depository: HNHM. Schroetteria subpolita Reitter, 1911: 395. Type locality: “Mandschuria” (= “ Manchuria ”, China). Type depository: HNHM. syn. nov . Megatrachelus megacephalus Kôno, 1936b: 4. Type locality: “ Fukuoka ”, Japan. Type depository: EIHU. Synonymized by Kôno 1940: 62. Type material examined. Schroetteria polita a. dilutipennis : Holotype: ♀, “ Shangai Geb.”, “ Coll. Reitter ”, “ polita Gebl. Dilutipennis m 1910”, “Monotypus // 1911 // Schrötteria polita ab. dilutipennis Reitter” (HNHM; Fig. 1). Schroetteria subpolita : Holotype: ♂, “Mantschguria // Wombatai. 1904 // N. Starck ”, “ Coll. Reitter ”, “ Schrotteria m. subpolita m”, “ Holotypus // 1911 // Schrötteria subpolita Reitter ” (HNHM; Fig. 2). Paratypes: 1 ♂ 1 ♀, “Mantschguria // Wombatai. 1904 // N. Starck ”, “ Coll. Reitter ”, “ Paratypus // 1911 // Schrötteria subpolita Reitter ” (HNHM). Other material examined from China . HEBEI: 1 ex., Laiyuan, Mt. Baishi, 1999.VIII.1–3, Shi Aimin et al . leg. (NXU); 4 exx., Saihanba, Qiancengban (N42˚27.967’ E117˚07.382’, Elev. 1429 m), 2015.VII.22 (MHBU); 31 exx., Saihanba, Qiancengban (N42˚26.599’ E117˚19.213’, Elev. 1617 m), 2015.VII.23 (MHBU). INNER MONGO-LIA: 1 ex., Ewenki, 1987.VIII.2, Ren leg. (NXU); 33 exx., Chifeng, Ongniud, Qigan (N42°55.727’ E119°18.736’, Elev. 617 m), 2014.VII.27, Pan Zhao et al . leg. (MHBU). Distribution. China: Hebei, Inner Mongolia, Shanghai, Northeast Territory; Japan, Korea, Mongolia, Russia. Remarks. This species is poorly known. We collected several specimens from Hebei and Inner Mongolia in recent years, and found that this species shows variation in elytral pattern, with four black spots in most specimens but only two spots or uniformly yellow-brown in a few cases. Reitter (1911) described Schroetteria subpolita from Northeast China (old name “Mandschuria”) and distinguished it from M. polita mainly by the slightly bulging temples and the punctures on the body. However, according to our specimens, we think that these features correspond to intraspecific variation. Therefore, S. subpolita is considered a junior synonym of M. politus . : Published as part of Pan, Zhao & Ren, Guo-Dong, 2020, New synonyms, combinations and status in the Chinese species of the family Meloidae Gyllenhal, 1810 (Coleoptera: Tenebrionoidea) with additional faunistic records, pp. 260-286 in Zootaxa 4820 (2) on page 264, DOI: 10.11646/zootaxa.4820.2.3, http://zenodo.org/record/4397628 : {"references": ["Gebler, F. A. von (1832) Notice sur les coleopteres qui se trouvent dans le district des mines de Nertschinsk, dans la Siberie orientale, avec la description de quelques especes nouvelles. Nouveaux Memoires de la Societe des Naturalistes de Moscou, 2, 23 - 78.", "Motschulsky, V. de (1845) Remarques sur la collection de coleopteres russes de Victor de Motschulsky. Bulletin de la Socieitei Impeiriale des Naturalistes de Moscou, 18, 3 - 127, pls. 1 - 3.", "Reitter, E. (1911) Fauna Germanica. Die Kafer des Deutschen Reiches. Vol. 3. Lutz, Stuttgart, 436 pp., 48 pls.", "Kono, H. (1936 b) Uber die Kafersammlung des Museums \" Umeno Konchu Kenkiujo \" I. Pyrochroidae, Meloidae, Rhipiphoridae. Bulletin of the UmenoEntomological Laboratory, Kurume, 3, 1 - 6.", "Kono, H. (1940) Die Meloiden von Mandschukuo. Insecta Matsumurana, 15, 57 - 62."]}