Nippancistroger koreanus Storozhenko et Paik

Nippancistroger koreanus Storozhenko et Paik , sp. n.

Figs 1-3 View Figs

MATERIAL. Holotype – ♀, Korea: Jeju-do, 15.VII 1997 (Sai Ho Jung). Paratypes – Korea: Jeju-do, 15.VII 1997, 21.VIII 1993, 2♂, 3♀ (Sai Ho Jung); Jeju-do, Gyorae, 10.IX 1993, 1♀ (Jong-Cheol Paik); Jeollabug-do, Dalgung , Mt. Jiri-san , 13.IX 1997, 1 ♂ (Jong-Cheol Paik); Gyeonsangnam-do , Jinju , 17.VIII 1986, 1♀ (Jong-Cheol Paik); Gyeongsangnam-do, Naesan , Namhae-do , 27.IX 2000, 1 ♀ (Jong-Cheol Paik) .

DESCRIPTION. Body, legs and ovipositor pale brown; abdomen from above brownish black. Apterous. Front between eyes 1.7-1.8 times wider than 1st antennal segment. Eyes dark brown, 1.8-2.2 times as long as wide. Fore and middle femora unarmed. Hind femora 3.0-3.2 times as long as wide; lower outer keel with 4-7 spines, lower inner keel with 3-5 spines. Fore and middle tibia with 4 inner and 4 outer large movable spines on lower margin. Hind tibia with one large spine in the middle of inner upper side, and with 6 small spines in outer upper side. Pronotum truncate anteriorly and posteriorly, 1.1-1.2 times as wide as long. IX tergite of male with acutely-triangular hind margin. Hind margin of the male subgenital plate deeply excised, with small stylus. Cerci long, with acuminate apex. Ovipositor curved upward.

MEASUREMENTS. Length of body ♂ 13.5-15.8, ♀ 16.2-18.0; pronotum ♂ 3.2-3.3, ♀ 3.7-4.0; hind femora ♂ 7.8-9.2, ♀ 8.0-9.5; ovipositor 9.0- 9.1 mm.

DISTRIBUTION. Korea: Provinces Gangwon-do, Gyeonggi-do, Chungcheongnam-do, Gyeongsangbuk-do, Jeollabuk-do, Jeollanam-do, Jeju-do [5].

DIAGNOSIS. The species of the genus Nippancistroger differs mainly by the armature of hind tibia as shown in the key below.

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Key to the species of the genus Nippancistroger

1( 2) Inner upper side in the middle of hind tibiae with one large and 1-2 small spines. – Outer upper side of hind tibia with 6 small spines. Japan ( Hokkaido, Honshu, Tobishima, Sado, Shikoku, Kyushu)................. N. testaceus (Matsumura et Shiraki, 1908) 2( 1) Inner upper side of hind tibiae with one large spine.

3( 4) Outer upper side of hind tibia with 4 small spines. Japan (Honshu: Izu Peninsula)............................................ N. izuensis Ichikawa, 2001 4( 3) Outer upper side of hind tibia with 5-6 small spines.

5( 6) Outer upper side of hind tibia with 5 small spines. China (Gunangdong).................................................. N. sinensis Tinkham, 1936 6( 5) Outer upper side of hind tibia with 6 small spines. Korea....... N. koreanus sp. n.

1. Griffini, A. 1913. Note sopra Gryllacridi australiani, indo-malesi ed etiopici del Museum d’Histoire Naturalle di Parigi. – Atti Soc. Ital. Sci. Nat., Milano 51: 217-246.

2. Griffini, A. 1914. Le specie orientale del genere Neantis Brunner. – Wien Ent. Ztg. 33 (9- 10): 235-251.

3. Ichikawa, A. 2001. Japanese Stenopelmatidae (Orthoptera) with notes on some species. – Tettigonia 3: 69-73.

4. Karny, H.H. 1929. On the cricket-locust (Gryllacrids) of China. – Lingnan Science Journal 8 ( 7): 721-756.

5. Kim, Jin Ill & Kim, Tae-Woo. 2002. Taxonomic study of Korean Stenopelmatoidea (Orthoptera: Ensifera). – Korean Journal of Entomology 32 ( 3): 141-151.

6. Tinkham, E.R. 1936. Four new species of Orthoptera from Loh Fau Shan, Kwangtung, South China. – Lingnan Science Journal 15 ( 3): 401-413. Authors addresses: 1) Institute of Biology and Soil Science, Vladivostok-22, 690022, Russia 2) Sunchon National University, Sunchon, 540-742, Korea __________________________________________________________________ © Far Eastern entomologist (Far East. entomol.) Journal published since October 1994. Editor-in-Chief: S.Yu. Storozhenko Editorial Board: A.S. Lelej, Yu.A. Tshistjakov, N.V. Kurzenko Address: Institute of Biology and Soil Science, Far East Branch of Russian Academy of Sciences, 690022, Vladivostok-22, Russia. E-mail: entomol@ibss.dvo.ru FAX: (4232) 310 193