Intybia kishiii
Creators: name: Ikeda, Hiroshi
name: Yoshitomi, Hiroyuki
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Melyridae
Intybia
Intybia kishiii

description: Intybia kishiii (Nakane, 1955)
[Japanese name: Beni-obi-jôkai-modoki]
Figs 1G, 2G, 4G, 5G, 6G, 8D, 9G, 10G, 11B
Laius kishiii Nakane, 1955a: 33 [type locality: Hozukyo, Kyoto].
Laius kishiii – Nakane 1957: 13. — Nakane 1963: 186, pl. 93, fig. 17. — Satô 1985: 165. — Nakane 1983: 164. — Satô 1989: 366.
Intybia kishiii – Wittmer 1997: 191. — Mayor 2007: 417 [catalogued]. — Yoshitomi & Hayashi 2011: 19.
Diagnosis
Coloration of head, pronotum and elytra black with bluish luster; head narrow; eyes not prominent; elytral fascia reddish orange, widened at suture and lateral margins; gonoporal piece straight, slender, with straight basal projection; semi-gonoporal piece, ligula and spinous plate absent.
Material examined
JAPAN, Honshu: Gifu Pref.: 1 ♀, Suhara, 24 Jun. 1956, K. Ohbayashi leg. (EUMJ). – Okayama Pref.: 1 ♂, Kurashiki-shi, Mizue, 17 Aug. 2007, H. Suenaga leg. (HSJ). – Hiroshima Pref.: 1 ♀, Miyoshi-shi, Miwaka, 13 Aug. 1980, T. Inakura leg. (EUMJ); 1 ♂, Mihara-shi, Yahata-chô, Honjo, 28 Jun. 2013, H. Suenaga leg. (HSJ).
JAPAN, Shikoku: Tokushima Pref.: 1 ♀, Tsuda Beach, 10 Jul. 1967, M. Sakai leg. (EUMJ). – Ehime Pref.: 1 ♂, Ôzu, riverside of Hijikawa, Nakamura, 3 Jun. 2001, M. and A. Sakai leg. (EUMJ); 1 ♀, same data, 7 Oct. 2001, Y. Kikuhara leg. (EUMJ); 1 ♂, Shigenobu-gawa, 27 Jun. 2010, R. Okano leg. (EUMJ). – Kochi Pref.: 1 ♂, 1 ♀, Nankoku-shi, estuary of Monobe-gawa, 29 Jun. 2008, Y. Satô leg. (EUMJ); 2 ♀♀, Monobe-gawa, Nishimachi, Noichi-chô, 2 Sep. 2002, A. Sakai leg. (EUMJ); 1 ♂, same data, 4 Oct. 2002, C. Takahashi leg. (EUMJ); 1 ♂, 3 ♀♀, same data, 6 Jul. 2002, C. Takahashi leg. (EUMJ); 1 ♀, same data, 14 Aug. 2002, D. Miura leg. (EUMJ); 1 ♀, same data, 4 Oct. 2002, A. Kitahara leg. (EUMJ); 1 ♂, 1 ♀, Tosa-shi, estuary of Niyodo-gawa, 1 Jul. 2003, M. Sakai leg. (EUMJ); 1 ♂, 2 ♀♀, same data, 5 Oct. 2002, T. Kurihara leg. (EUMJ); 2 ♀♀, Niyodo-gawa, Kada-Campsite, Ino-chô, 5 Oct. 2002, Y. Kikuhara leg. (EUMJ); 1 ♀, same data, 13 Jul. 2002, Y. Kikuhara leg. (EUMJ); 1 ♂, same data, 13 Jul. 2002, C. Takahashi leg. (EUMJ); 1 ♀, Haruno-chô, Niyodogawa-Ohashi, 13 Jul. 2002, C. Takahashi leg. (EUMJ).
Redescription
Male
Body (Fig. 1G) slightly elongate, gently convex, shining, bearing suberect pallid setae, sparsely covered with long erect setae. Coloration of head, antennomeres IV–XI, pronotum, elytra and legs black with bluish luster; antennomeres I–III reddish yellow; maxillary and labial palpi yellow; elytral fascia reddish orange.
Head narrowed anteriorly, with a deep longitudinal sulcus in middle, minutely punctate; eyes rather large, oval, not prominent; HL/HW 0.88–1.16 (1.00). Antennae (Fig. 4G) long, reaching base of elytra; antennomere III (Fig. 6G) subtrapezoidal, deeply concave in dorso-mesal portion; L/W = 0.81; approximate ratio of each antennomere (n = 1) as 7.0: 1.0: 6.5:2.5: 2.3: 2.3: 2.5: 2.5: 2.5:2.5: 3.7. Pronotum convex, closely punctate in anterior parts, densely so in lateral parts; PW/PL 1.00–1.16 (1.07). Elytra oblong-ovate, slightly broadened posteriorly, rather coarsely and closely punctate in middle, finely and sparsely so at base and before apex; elytral fascia situated just before middle, widened at suture and lateral margins; EL/EW 1.47–1.71 (1.59); EL/PL 2.70–3.24 (2.94); EW/PW 1.53–1.89 (1.69); TL/EW 2.43–2.78 (2.53). Legs rather slender. Aedeagus about 0.85 mm in AL. Gonoporal piece (Figs 8D, 10G) straight, slender, with straight basal projection, 0.53 mm in GL; GL/AL 0.49. Semi-gonoporal piece, ligula and spinous plate absent. Spinous area (Fig. 9G) densely covered with short spines.
Female
Similar to male in general appearance (Fig. 2G); coloration of antennae yellow, with apical 7 segments black; HL/HW 0.77–1.07 (0.89); PW/PL 0.95–1.21(1.07); EL/EW 1.42–1.82 (1.55); EL/PL 2.69–3.48 (2.99); EW/PW 1.53–2.03 (1.81); TL/EW 2.26–2.81 (2.47). Antennae (Fig. 5G) long; antennomere III short, distinctly expanded laterally, shallowly concave in dorsal portion, L/W = 2.00; approximate ratio of each antennomere (n = 1) as 5.0: 1.0: 3.3: 2.5: 2.2: 2.0:2.2: 2.0: 2.2: 1.8: 3.2.
Measurements
Male (n = 8): TL 3.15–3.65 (3.38) mm; HL 0.49–0.71 (0.58) mm; HW 0.55–0.61 (0.57) mm; PW 0.70–0.86 (0.77) mm; PL 0.62–0.77 (0.71) mm; EL 1.92–2.22 (2.09) mm; EW 1.19–1.50 (1.32) mm.
Female (n = 19): TL 3.08–4.20 (3.58) mm; HL 0.50–0.68 (0.57) mm; HW 0.56–0.70 (0.65) mm; PW 0.69–0.90 (0.80) mm; PL 0.63–0.83 (0.75) mm; EL 1.88–2.85 (2.25) mm; EW 1.22–1.70 (1.45) mm.
Distribution(Fig. 11B)
Japan (Honshu, Shikoku, Kyushu); Korea.
Remarks
This species is distinct in having a narrow head and eyes that are not prominent.
Biological notes
This species inhabits grasslands at riversides.
description: Published as part of Ikeda, Hiroshi & Yoshitomi, Hiroyuki, 2017, Revision of the genus Intybia (Coleoptera, Malachiidae) from Japan, pp. 1-31 in European Journal of Taxonomy 331 on pages 25-27, DOI: 10.5852/ejt.2017.331, http://zenodo.org/record/3829776