Aleochara (Xenochara) asiatica Kraatz

Park, Jong-Seok & Ahn, Kee-Jeong, 2010, Korean species of Aleochara Gravenhorst subgenus Xenochara Mulsant & Rey (Coleoptera, Staphylinidae, Aleocharinae), ZooKeys 60, pp. 21-36 : 21-22

Aleochara (Xenochara) asiatica Kraatz Fig. 1

Aleochara asiatica Kraatz 1859: 15; Bernhauer and Scheerpeltz 1926: 780; Pace 2001: 35 (mentioned as subgenus Xenochara ); Smetana 2004: 356 (mentioned as subgenus Euryodma ).

Aleochara japonica Sharp 1874: 8.

Aleochara (Isochara) asiatica Cameron 1939: 644.

Redescription.

Length 4.5-6.5 mm. Body large and robust; brownish black, antenna and legs black; elytra bicolored. Antennomeres 1-3 elongate, 4-6 longer than wide and 7-10 transverse. Mouthparts. Labrum transverse, bearing approximately 11 small, setae, and approximately 21 long setae, a-seta, b-seta, and pores present; b-seta rounded apically (arrow indicates b-seta, Fig. 1c). Labium with pseudopores in median area, approximately 2 real pores and pseudopores present in lateral area; a pair of basal pores present (Fig. 1d). Ligula with approximately 4 pairs of small setae apically (Fig. 1d). Labial palpi with large a-, b-, and f-seta of 12 setae present ( a–h, α–δ); long β-seta present in the middle of palpomere 1; d-seta higher than c-seta (Fig. 1e). Mentum transverse, bearing 4 pairs of main setae (b, u, v, w), and 6 extra setae, and pores present (Fig. 1f). Thorax. Mesoventrite completely carinate (arrow, Fig. 1a). Elytra with round latero-posterior margin. Abdomen. Male and female abdominal tergite VIII with many short setae and pores; posterior margin deeply emarginate and undulate on male (Fig. 1g, h). Male and female abdominal sternite VIII with many short setae and pores, margin rounded and female with many small setae on posterior margin (Fig. 1i, j). Genitalia. Median lobe as in Figs 1l and m. Paramere without fovea in hinge zone (Fig. 1k). Spermatheca with duct coiled (Fig. 1n).

Material examined.

1♂, Daeheungsa-temple, Samsan-myeon, Haenam-gun, Jeonnam Prov., Korea, 23.IV.1983, Y. B. Cho; 4♂♂ 2♀♀, Jeju Prov., Korea, 22.VII.1985, Y.B. Cho (1♂ 1♀, on slide); 1♀, Donnaeko, Sanghyo-dong, Seogwipo-city, Jeju Prov., Korea, 18.X.1985, K.-S. Lee; 1♀, Donnaeko, Sanghyo-dong, Seogwipo-city, Jeju Prov., Korea, 22.X.1985, K.-S. Lee; 1♀, Jeongbangpolpo-waterfall, Donghong-dong, Seogwipo-city, Jeju Prov., Korea, 29.X.1985, K.-S. Lee; 1♂, Gasi-ri, Pyoseon-myeon, Namjeju-gun, Jeju Prov., Korea, 5.V.1985, K.-S. Lee; 2, Japan, G. Lewis, 1910-320, Nagasaki, 22. V– 3.VI.81; 2, Japan, G. Lewis, 1910-320, Kumamoto, 23. IV– 26.IV.81; 3, Japan, G. Lewis, 1905-313 (1, Holotype of Aleochara japonica Sharp, deposited in the Natural History Museum, London); 1, Japan, G. Lewis, 1910-320.

Distribution.

China, India, Japan, Korea, Nepal, Taiwan (see Smetana, 2004: 356).

Remarks.

This species is a new record for the Korean peninsula.