Stenus arisanus CAMERON 1949

Puthz, V, 2011, On the Stenus LATREILLE 1797 from Taiwan with spotted elytra including remarks on the S. gestroi-group (Coleoptera, Staphylinidae) (316 Contribution to the Knowledge of Steninae), Linzer biologische Beiträge 43 (1), pp. 565-596 : 585-586

Stenus arisanus CAMERON 1949 ( Figs 97 , 115 )

Stenus arisanus CAMERON 1949: 462 f.; PUTHZ 1971b: 532.

M a t e r i a l s t u d i e d: TAIWAN: Chiai Hsien: 1, 1: 1 Arisan , 25.V.1934, J. L. Gressitt (HT and PT: USNM, NHML) ; 4, 6: ibidem, 2130 m, 19.VIII.1947, J. & H. Sedlaček, J. L. Gressitt ( BPBM, cP) ; 1: Arisan to Hosha , 26.V.1948, J.L. Gressitt ( BPBM) ; 5, 7: Alishan , 2400 m, 12.-16.VI.1965, T. C. Maa & K. S. Lin ( BPBM, cP) ; 7, 2: ibidem, 2300 m, 8.IV. 1968 m Y. Hirashima ( Niv.of Kyoto , cP) ; 2, 5: ibidem, 7., 8.VIII.1970, 7.VIII.1971, 7.VIII.1974, 8.VIII.1978, 29.III.1982, Y. Shibata (cSh, cP); Nantou Hsien: 1: Nankaoshan Trail, Tenchi Hut , 2880 m, 5.V.1992, A. Smetana (T 13) ; Hualien Hsien: 1: Taroko N. P., Duodyatunshan, 2650 m, 8.V.1990, A. Smetana (T 46). Sichuan: 1: Songpan , 2000 m, 32 o 30’N, 103 o 40‘E, 13.-17.VII.1990, J. Kolibač ( NHMB) ; 1: Ganzi-Tibet Aut. Pref., Yajiang Co., Shalui Shan , river valley 6 km WSW Yajiang, 3250 m, 30 o 01 N, 100 o 57’E, 4.VII.1999, D. Wrase (cSchülke) ; 1: Daxue Shan, E Tsheto-La Pass, W. Kangding , 3500 m, 30 o 00’N, 101 o 52’E, 25.V.1997, M. Schülke (cSchülke) ; 1: Daxue Shan, Mugemo ca. 26 km W Kangding, 3200-3400 m, 30 o 1’N, 101 o 52’E, 21.V.1997, A. Pütz (cPütz) ; 1: env. Xichang , 1600 m, 28.VII.1996, S. Kurbatov ( MHNG) ; 1: Gonggashan, Hailuoguo , 1900-2900 m, 29 o 36’N, 102 o 06’E, 5.VII.1994, D. Král & J. Farkač (cHromádka) ; 1: 30 km NW Muli ( BOWA), 3500 m, 28 o 07’N, 101 o 05’E, 2.VII.1998, Bočak ( SMNS) ; Yunnan: 1: Kunming , 20.I.1993, G. de Rougemont (cRougemont) ; 1: Zhongdian Co., 33 km ESE Zhongdian , 3200 m, 27 o 41.5’N, 100 o 50.7’E, creek valley with old mixed forest, 14. VIII.2003, D. Wrase (cSchülke) ; Shaanxi: 1, 2: Quinling Shan, pass on raod Zhouzhi-Foping , 105 km SW Xi’an, N. slope, 1990 m, 33 o 44’N, 107 o 59’E, 2./ 4.VII.2001, A. Smetana, D. Wrase (cSmetana, cSchülke) ; 3: Quinling Shan, mountain pass at Autoroute km 70, 47 km S Xi’an , 2300-2500 m, 33 o 51’N, 108 o 47’E, 26.-30.VIII.1995, M. Schülke (cSchülke, cP) .

C o m p a r a t i v e n o t e: This species belongs to the S. virgula -group. The aedeagus has an anteriorly obtuse median lobe (fig. 97), the spermatheca of the female has a very peculiar shape (fig. 115).

Figures

Figs 89-107: Anterior portion of the expulsion clasp of the aedeagus (89-95), trochanter of male (96), ventral aspect of aedeagus (97, 106, 107), metasternum of males (98-101), spermatheca and valvifera (102-105) of Stenus bilunatus PUTHZ (89, Chiayi Co.; 100, T 110; 105, Fenchihu; 106, T 28), S. bigemmosus nov.sp. (90, PT, Wulai), S. bigemmatus nov.sp. (91, 96, HT), S. bilunatoides nov.sp. (92, PT, T 22); S. bistigmosus nov.sp. (93, HT), S. biluminatus nov.sp. (94, T 11), S. rougemonti PUTHZ (95, HT), S. arisanus CAMERON (97, Alishan), S. coronatus L. BENICK (98, Yan Shan), S. coronatus zipanguensis PUTHZ (99, Mt. Kurofu), S. shibataianus nov.sp. (101, PT, Tengchih), S. biluminatus nov.sp. (102, PT, T 48), S. bilunatior nov.sp. (103, PT, T 133), S. bilunatoides nov.sp. (104, PT, T 71), S. miwai BERNHAUER (107, Keitou).

Figs 108-121: Ventral aspect of aedeagus/apical portion oft the median lobe (108-111, 114, 116- 119), spermatheca (112, 113, 15), apical portion of valvifer (120, 121) of Stenus mithracifer nov.sp. (108, HT), S. shibatai nov.sp. (109, PT), S. shibataianus nov.sp. (110, HT; 112, 120, PTT), S. shibataiellus nov sp. (111, HT), S. electristigma nov.sp. (113, 117, 121, PTT), S. cirricinctus PUTHZ (14, HT), S. arisanus CAMERON (115, Alishan), S. electrigemmeus nov.sp. (116, HT), S. stigmosus nov.sp. (116, PT), S. stigmifer nov.sp. (119, HT). Scale bar = 0.1 mm (108 = 109-115, 120, 121; 116 = 117-119).