Revision of the genus Intybia (Coleoptera, Malachiidae) from Japan Author Ikeda, Hiroshi 7100DA17-9D15-451B-AEE9-089A1FBF9025 urn: lsid: zoobank. org: author: 7100 DA 17 - 9 D 15 - 451 B-AEE 9 - 089 A 1 FBF 9025 & Corresponding author: hiroshi 0828 @ gmail. com hiroshi0828@gmail.com Author Yoshitomi, Hiroyuki 744FA6FC-2D84-41B7-8A6C-C1611CC68EE1 Email: hymushi @ agr. ehime-u. ac. jp & urn: lsid: zoobank. org: author: 744 FA 6 FC- 2 D 84 - 41 B 7 - 8 A 6 C-C 1611 CC 68 EE 1 hymushi@agr.ehime text European Journal of Taxonomy 2017 2017-06-20 331 1 31 journal article 22090 10.5852/ejt.2017.331 acf565ee-29ba-45e7-9ef3-d1e85dec9ae7 2118-9773 3829776 3FD5D922-B91F-42BB-9D7B-7DFB98841732 Intybia kawasakii ( Nakane, 1956 ) [Japanese name: Okinawa-obi-jôkai-modoki] Figs 1H , 2H , 4H , 5H , 11A Laius kawasakii Nakane, 1956: 162 [ type locality: Hedozaki, Kunigamison, Okinawa ]. Laius kawasakii – Nakane 1957: 14 , fig.5. — Nakane 1963: 186 , pl. 93, fig. 18. — Satô 1985: 165 . — Nakane 1983: 164 . — Satô 1989: 366 . Intybia kawasakii – Wittmer 1997: 191 . — Mayor 2007: 417 [catalogued]. — Yoshitomi & Hayashi 2011: 19 . Diagnosis Elytra with a pale yellow transverse fascia narrowly interrupted at suture, just before the middle; male antennomere III ear-like shaped. Type material examined Holotype JAPAN : ♂ , [ Hedozaki , Kunigamison , Okinawa , 13 Jun. 1955 , R. KAWASAKI.] ( SEHU ). Paratypes JAPAN : 3 ♀♀ , same data as for the holotype ( SEHU ). Redescription Male Body ( Fig. 1H ) oblong oval, shining, sparsely covered with gray pubescence. Coloration of head, pronotum and elytra black; antennae yellow, but apical 6 or 7 segments black; elytral fascia pale yellow, narrowly interrupted at suture; legs yellow; base of femora dark; hind femur and tibia black. Head densely punctate; eyes normal, prominent; HL/HW 0.58. Antennae ( Fig. 4H ) long, reaching base of elytra; antennomere I long and stout; antennomere III ear-like shaped, deeply concave in dorso-mesal portion; L/W = 1.77; approximate ratio of each antennomere (n = 1) as 5.60: 1.00: 8.48:1.16: 1.24: 1.24: 1.40: 1.60: 1.24:1.60: 2.40. Pronotum transverse, sparsely punctured in middle, densely so in lateral and posterior parts; PL/PW 1.17. Elytra oblong-ovate, a little broader than prothorax, then gently dilated to behind middle, sparsely punctate; EL/EW 1.51; EL/PL 2.70; EW/ PW 1.52; TL/EW 2.43. Male genitalia not examined. Female Similar to male in general appearance ( Fig. 2H ); coloration of antennae yellow, with apical 5 or 6 segments black; HL/HW 0.64–0.76 (0.70); PW/PL 1.13–1.18 (1.15); EL/EW 1.50–1.65 (1.57); EL/PL 2.71–2.82 (2.78); EW/PW 1.45–1.61 (1.54); TL/EW 2.48–2.66 (2.54). Antennae ( Fig. 5H ) long; antennomere III distinctly expanded laterally, shallowly concave in dorsal portion; L/W = 2.07; approximate ratio of each antennomere (n = 1) as 7.11: 1.00: 5.00:2.24: 2.24: 2.11: 1.97: 2.18:2.19: 2.37: 3.42. Measurements Male(n=1):TL 3.04mm ; HL 0.45 mm ; HW 0.77mm ; PW 0.82 mm ; PL 0.7mm ; EL 1.89 mm ; EW 1.25mm . Female (n = 3): TL 3.60–3.90 (3.79) mm; HL 0.58–0.63 (0.61) mm; HW 0.83–0.90 (0.88) mm; PW 0.90–1.00 (0.9) mm; PL 0.80–0.87 (0.84) mm; EL 2.17–2.45 (2.34) mm; EW 1.45–1.57 (1.49) mm. Distribution ( Fig. 11A ) Japan (Okinawa-jima). Remarks This species is rare and no additional specimens besides the type series have been collected. This species was recorded from Kyushu by Satô (1989) and Yoshitomi & Hayashi (2011) , but we regard this as a simple mistake. Biological notes The type series was collected from the northernmost cape of the island, and this species probably inhabits beach plant communities.