Aleochara (Xenochara) peninsulae Bernhauer

Park, Jong-Seok & Ahn, Kee-Jeong, 2010, Korean species of Aleochara Gravenhorst subgenus Xenochara Mulsant & Rey (Coleoptera, Staphylinidae, Aleocharinae), ZooKeys 60, pp. 21-36 : 24-25

Aleochara (Xenochara) peninsulae Bernhauer Fig. 3

Aleochara peninsulae Bernhauer 1936: 325; Smetana 2004: 360.

Holotype examined.

Male mounted on card, with mouthparts, aedeagus and abdominal apex (segment VIII+) mounted in balsam on two transparent cards, labeled as follows: "Shimabara Unzen 2200F 2. 8. 34. Suenson" [printed]; "peninsulae Brnh. Typus un. Polychara " [handwritten yellow label]; "peninsulae Brnh. Typus unic." [handwritten white label]; "Chicago NHMus M. Bernhauer Collection" [printed]; "HOLOTYPE Aleochara peninsulae Bernhauer, 1936 teste Park & Ahn 2007". Deposited in the Field Museum of Natural History (FMNH), Chicago, USA.

Redescription.

Length 3.8-5.4 mm. Body compact and robust; reddish black; antenna, elytra, and legs brownish black; elytra bicolored. Antennomeres 1-3 elongate, 4 longer than wide, 5 subquadrate, and 6-10 transverse. Mouthparts. Labrum transverse, bearing approximately 8 small, setae, and approximately 19 long setae, a-seta, b-seta and pores present; b-seta acute (arrow indicates b-seta, Fig. 3c). Labium with pseudopores in median area; approximately 3 pores and pseudopores present in lateral area; a pair of distal setae present (arrow indicates distal seta, Fig. 3d). Ligula with approximately 3 pairs of small setae apically (Fig. 3d). Labial palpi with large a-, b-, and f-seta of 12 setae present ( a–h, α–δ); β-seta close to twin pores (tp); d-seta higher than c-seta (Fig. 3e). Mentum transverse, bearing 4 pairs of main setae (b, u, v, w), and approximately 2 extra setae, and pores present (Fig. 3f). Thorax. Mesoventrite completely carinate (arrow, Fig. 3a). Elytral latero-posterior margin emarginate. Abdomen. Abdominal tergite VIII with many short setae and pores; posterior margin emarginate; undulate on male (Fig. 3g, h). Male abdominal sternite VIII with many short setae and pores; posterior margin produced on male (arrow, Fig. 3i) and rounded on female (Fig. 3j). Genitalia. Median lobe as in Figs 3l and m. Paramere with fovea in hinge zone (arrow, Fig. 3k). Spermatheca as in Fig. 3n.

Material examined.

2, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 26.III.2003, C.-S. Lim, ex bait trap; 2, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 2 VI 2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 27.III.2003, C.-S. Lim, ex bait trap; 2, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 22.III.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 12.III.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 7.IV.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 15.III.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 24.III.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 29.V.2003, C.-S. Lim, ex bait trap; 1, Gyeongsang Univ., Gajoa-Dong, Jinju-city, Gyeongnam Prov., Korea, 30.III.2003, C.-S. Lim, ex bait trap; 1, near 1100m Rest Area, Jeju Prov., Korea, 30. V– 17.VI.2003, Y.-B. Cho, ex bait trap.

Distribution.

Japan, Korea.

Remarks.

This species is a new record for the Korean peninsula.