Satonius kurosawai Sato 1982
Creators: name: Hájek, Jiří
name: Yoshitomi, Hiroyuki
name: Fikáček, Martin
name: Hayashi, Masakazu
name: Jia, Feng-Long
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Torridincolidae
Satonius
Satonius kurosawai

description: Satonius kurosawai (Satô, 1982)
(Figs. 8–11)
Delevea kurosawai Satô, 1982: 279 (original description).
Satonius kurosawai: Endrödy-Younga 1997: 318 (redescription); Hájek & Fikáček 2008: 662 (redescription).
New material examined (see Table 1 for all known records). Macropterous form: HONSHÛ: GIFU PREFECTURE: 1 spec., Shagatate-yama, Ibigawa-cho, 30.iv.2006, K. Kitayama leg. HYÔGO PREFECTURE: 2 spec., Aotani-gawa, Maya-san, Kobe-shi, 16.vi.2008, I. Tanaka leg.; 1 spec., same data, but 24.vi.2006, T. Saito leg.; 1 spec., Koujingawa, Kiyoshikoujin, Takarazuka-shi, 17ix.2007, I. Tanaka leg. OSAKA PREFECTURE: 2 spec., Minoo, 11.ix.2007, I. Tanaka leg. SHIMANE PREFECTURE: 32 spec., Shakunouchi, Kitsuki-cho, Unnan-shi, 23.xii.2006, M. Hayashi leg.; 10 spec., same data, but 8.i.2007; 1 spec., same data, but 17–29.vi.2006, flight intercept trap. TOTTORI PREFEC- TURE: 32 spec., Ohuchi, Houki-cho, 4.iv.2008, M. Hayashi leg. SHIKOKU: EHIME PREFECTURE: 2 spec., Syukuno, Matsuyama-shi, 5.v.2002, T. Kurihara leg. All specimens deposited in EUMJ.
Micropterous form: HONSHÛ: FUKUSHIMA PREFECTURE: 6 spec., Asakusa-dake, Tadami-machi, 19.viii.1999, N. Hikida leg. GIFU PREFECTURE: 1 spec., Hirano, Motosu-cho, 23.x.2004, Y. Kamite leg. SHIMANE PREFECTURE: 10 spec., Hagiwara, Hikimi-cho, 17.ix.2003, T. Ogata leg.; 10 spec., Kawashita, Kawashita-cho, Izumo-shi, 23.xii.2006, M. Hayashi leg. SHIZUOKA PREFECTURE: 2 spec., Sakuma-cho, 3.iii.1999, H. Yoshitomi leg. TOTTORI PREFECTURE: 10 spec., Daimyo-bashi, Daisen-cho, 3.v.2007, M. Hayashi leg. YAMAGATA PREFEC- TURE: 3 spec., Kaname, Oguni-machi, 14.x.2002, T. Ogata leg.; 9 spec., Kami-tazawa, Tsuruoka-shi, 14.ix. 2007, T. Ogata leg.; 17 spec., Arasawa, Tsuruoka-shi, 14.ix.2007, Y. Kamite leg.; 7 spec., Hokorobi-sawa, Tsuruoka-shi, 14.ix.2007, Y. Kamite & T. Ogata leg. All specimens deposited in EUMJ.
Morphology of micro- and macropterous form (see Satô (1982) and Endrödy-Younga (1997) for detailed description of external characters of S. kurosawai).
Macropterous form. Generally bigger than micropterous form (Fig. 8), see Table 2 for measurements. Maximum length of the metathoracic wing ca 1.5 mm, maximum width ca. 0.8 mm; the wing (Fig. 10) is similar to that of Satonius stysi in shape and venation, but differs in the following characters: length/width ratio = ca 0.52 (ca 0.46 in S. stysi); RP long, reaching r1 (not reaching r 1 in S. stysi); RP 3+4 absent.
Micropterous form. Smaller than macropterous form (Fig. 9), see Table 2 for measurements. Metathoracic wing scale-like (Fig. 11), only ca 0.4 mm long and 0.1 mm wide. Specimens with intermediate sized metathoracic wing were not observed.
Bionomics. The species lives in hygropetric habitats, e.g. on wet surfaces of natural rocks and artificial concrete
walls near small streams or roadsides.
Hind Locality Latitude (N) Longitude Environment Reference
wing (E)
micropt. Atsumi-cho, Yamagata 38.373959 139.35275 natural rock Satô (1982)
micropt. Yakurai-onsen, Miyagi 38.343151 140.42187 natural rock Satô (1982) Distribution. Widely distributed in the Japanese islands of Honshû (prefectures Aichi, Fukui, Fukushima, Gifu, Hiroshima, Ishikawa, Hyôgo, Mie, Miyagi, Nara, Niigata, Osaka, Shizuoka, Shimane, Tottori, Toyama, Yamagata), Shikoku (prefectures Ehime and Kagawa) and Yakushima (Fig. 12). The distribution of the macropterous form seems to be limited to western (west from 137°E) or southern (south from 36°N) parts of Honshû and Shikoku.
TABLE 2. Measurements of Satonius kurosawai (Satô). EL—length of elytra in suture, EW—maximum width of elytra, PLlength of pronotum, PW—maximum width of pronotum in posterior angles, TL—total body length (EL+PL). *—statistically significant difference in the mean values.
Satonius stysi Hájek & Fiká č ek 2008
Satonius stysi Hájek & Fikáček, 2008: 663 (original description).
Additional material examined. 27 spec., China, Yunnan prov., Cang Shan Mts, 25°41'N, 100°08'E, 2600 m, V. Grebennikov leg. (CNCO, EUMJ, NMPC, SYSU, ZSMC).
Remarks. This species was previously known only from the type locality in Jizu Shan Mt., Yunnan province, China. The locality from which the species is recorded here is situated in a different mountain range ca. 40 km SW from Jizu Shan.
description: Published as part of Hájek, Jiří, Yoshitomi, Hiroyuki, Fikáček, Martin, Hayashi, Masakazu & Jia, Feng-Long, 2011, Two new species of Satonius Endrödy-Younga from China and notes on the wing polymorphism of S. kurosawai Satô (Coleoptera: Myxophaga: Torridincolidae), pp. 51-62 in Zootaxa 3016 on pages 56-61, DOI: 10.5281/zenodo.205097