Eopompilus internalis (Matsumura, 1911)

(Figs 1, 2, 15, 17, 19, 22, 26–29)

Sialus (!) internalis Matsumura, 1911: 136, pl. 41, fig. 7, ♀. Syntypes, ♀, " Tokyo ( Nakano)" [Japan, Honshu], [EIHU].

Sialus (!) bizonatus Matsumura, 1912: 189, pl. 53, fig. 19, ♀. Syntypes, ♀, "Tokyo" [Japan, Honshu], [EIHU]. Junior subjective synonym of Eopompilus internalis (Matsumura, 1911) according to Ishikawa 1962: 334.

Salius internalis: Matsumura 1930: 34, ♀.

Salius bizonatus: Matsumura 1930: 65, ♀; 1931: 24.

Eopompilus orientalis Gussakovskij, 1932: 36, ♀. Lectotype, designated here, ♀, "Vladivostok, Sedanka, 1.VIII. [19]30 (Malaise)" [Russia, Primorskii Terr.], [ZISP]. Junior subjective synonym of Eopompilus internalis (Matsumura, 1911) according to Ishikawa 1962: 334.

Priocnemis bizonatus: Yano 1932: 288 .

Eopompilus internalis: Ishikawa 1962: 334, ♀ ♂ ; 1965b: 295; Lelej 1986: 80, ♀ ♂ ; 1995: 226, ♀, ♂; 2000: 621; Hirashima 1989: 662; Lelej & Yamane 1992: 102, ♀ ; Lelej et al. 1994: 138, ♀ ♂ ; Shimizu 1996b: 507; Yamane et al. 1999: 344, ♀ ♂ ; Lelej & Loktionov 2012: 412; Loktionov & Lelej 2014: 95, ♀, ♂ ; Ji et al. 2015: 2, 3, ♀ ♂ ; Shimizu & Terayama 2016: 205, 500, 596, ♀ ♂ .

Diagnosis. Female. Female of this species can be easily separated from all other species by having large body size (length 13.0–24.0 mm) and body mostly black with light yellow spots along inner orbit and T2, T3, S2, S3. Other characters of importance are: propodeum matt without punctures; first flagellomere 5.3–5.8 times its width; claw with subbasal additional tooth; antenna black with orange-yellow ventral side of flagellomeres 1–5 (Fig. 1); forewing brownish, with distinct apical darker spot from marginal, second and third submarginal and apical half of second discoidal cells to wing apex (Fig. 26).

Male. Male of this species can be easily separated from all other species by having large body size (length 10.0–16.5 mm) and postero-lateral corners of S6 and S7 strongly convex (Fig. 17). Other characters of importance are: first flagellomere 3.6–4.0 times its width; propodeum with fine weakly noticeable punctures; claws symmetrical without additional tooth; hypopygium narrow apically and strongly widened subbasally (Fig. 22); paramere pointed apically (Fig. 19); forewing brownish, with distinct apical darker spot from marginal, second and third submarginal and apical half of second discoidal cells to wing apex; pterostigma brown (Fig. 28); body mostly black with light yellow spots on: face, gena, T2, T3, S3, S4 and proleg; antenna mostly black (Fig. 2).

Material examined. Type material. Lectotype of Eopompilus orientalis Gussakovskij, 1932, designated here, ♀ " Vladivostok / Sedanka / Malaise // 1-VIII-30 // Eopompilus ♀ / orientalis g. t. sp. n. / V. Gussakovskij //к. Гуссаковского [Cyrillic] // Lectotypus / Eopompilus ♀ / orientalis Guss. / Lelej & Lokt. det" [ZISP]. Other material. RUSSIA. Amur Prov.: 1 ♂, Natalyno, 11.VII.1975 (A. Lelej). Primorskij Terr.: 5 ♀, Ryazanovka, 30.VII.1982, 6.IX.1986, 2.IX1987, 29.VIII.1987, 27.VIII.1992 (E. Belyaev, Zinoviev) ; 1 ♀, Telyakovskogo Bay, 6.VIII.2005 (E. Belyaev, M. Ponomarenko) ; 1 ♀, Vityaz, 14.IX.1996 (Yu. Tchistyakov) ; 1 ♀ 1 ♂, Andreevka, 4.VIII.1985, 3–5. VIII.2 0 0 3 (S. Belokobylskij, E. Belyaev, M. Ponomarenko) ; 9 ♀ 1 ♂, Kedrovaya Pad Natural Reserve, 7.VIII.1975, 12, 26.VIII, 5, 25.IX.1976, 21.VIII.1979 (S. Belokobylskij, S. Berezantzev, Nikolaev, Ryabuhin) ; 1 ♀, Alekseevka, 25.VIII.1987 (A. Lelej) ; 2 ♀ 1 ♂, Vladivostok, 26.VII, 23.IX.1984, 23.VIII.1989 (S. Belokobylskij, P. Lehr, A. Tchetchvarhin) ; 8 ♀, Anisimovka, 20.VIII, 1.IX.1974, 21.VIII.1975, 28.VIII, 23.IX.1976, 10.VIII.1992 (A. Lelej, S. Berezantzev, P. Lehr, Dahno, S. Storozhenko, Bulavskij) ; 1 ♀, Preobrazhenie, 10.IX.1979 (T. Romankova) ; 5 ♀ 1 ♂, Lazovskii Natural Reserve, 23.IX.1974, 22.VII.1993, 4.X.2007, 25.VIII–3.IX.2006, 4–7.VIII.2008 (Yu. Sundukov, V. Shokhrin, S. Belokobylskij, D. Kochetkov, S. Berezantzev, T. Romankova) ; 1 ♀, Tchandalaz Mountain Ridge, 7.VIII.1995 (E. Belyaev, M. Ponomarenko) ; 1 ♀, Nikolo-Lvovsk, 20–21.VII.2004 (A. Tatarinov) ; 1 ♀, Kamenushka, 18.VIII.1981 (V. Mutin) ; 1 ♀ 1 ♂, Gornotaezhnoe, 15.IX.1982, 16.VII.1983 (V. Tobias, E. Budris) ; 6 ♀, Ussuri Natural Reserve, 9.VIII.1954, 2.VIII.1985, 9.IX.1987, 22.VIII.1989, 9.IX.1992 (P. Lehr, A. Lelej, S. Belokobylskij, D. Kononov) ; 1 ♂, Novokachalinsk, 21.VII.1995 (S. Belokobylskij) ; 2 ♀, 30 km NW of Arsenyev, 31.VII.1999, 13–17.VIII.2003 (E. Belyaev, M. Ponomarenko) ; 1 ♂, Spassk, 3–6.VII.1993 (S. Belokobylskij) ; 1 ♀, 20 km SE of Spassk, Evseevka, 8.VIII.1981 (A. Lelej) ; 1 ♂, 30 km E of Spassk, Vasilievka, 13.VII. 1 993 (S. Belokobylskij) ; 1 ♂, 20 km ESE of Spassk, 16.VII.1998 (S. Belokobylskij) ; 1 ♀, Kalinovka, 23.VII.2009 (V. Loktionov) ; 1 ♀, Sokolovka, 19.VIII.1983 (T. Romankova) ; 2 ♀, Tchuguevskii District, Upper part of Pravaya Sokolovka River, 12, 20.VIII.2008 (V. Loktionov) ; 1 ♀, Dersu, 25.VIII.1991 (P. Nemkov) ; 1 ♀, Roschino, 20.VIII.2001 (V. Kuznetzov) ; 1 ♂, Dalnij Kut, 26.VIII.1991 (P. Nemkov). Sakhalin Island: 1 ♀, 10 km E of Boshnyakovo, 24.VII.2003 (V. Bogatov). Kuril Islands (Kunashir): 3 ♀ 4 ♂, 10 km S of Yuzhno-Kurilsk, Rosinka, 28.VIII.1980 (A. Lelej) ; 1 ♀ 2 ♂, 9 km S of Yuzhno-Kurilsk, Kislaya River, 27.VII.1989 (A. Lelej) ; 1 ♀, Goryachee Lake, 13.IX.1976 (V. Kuznetzov) ; 1 ♀, Sernovodsk, 12.VII.1962 (Konovalova) ; 1 ♀ 2 ♂, Aliger Lake, 11.VIII.1998 (S. Storozhenko) ; 1 ♀, caldera of Golovnino Volcano, 19.VIII.1975 (S. Berezantzev) ; 5 ♀ 1 ♂, Mendeleevo, 27.VIII.1974, 12.IX.1975 (B. Korotyaev, Kirpitchnikova) ; 1 ♂, 7 km S of Lagunnoe Lake, 15.VIII.1989 (A. Lelej) ; 1 ♂, Dubovoe, 7.VIII.1980 (A. Lelej). [IBSS]. JAPAN. Hokkaido: 2 ♂, Shiretoku, Hinoderindo, 14.VII.1998 (A. Lelej) ; 1 ♀, Kamikawa-cho, 17.VIII.1985 (N. Yasuda). Honshu: 2 ♀, Saitama Pref., Chichibu-shi, Otaki-mura, Kawamata, 19.VIII.1983, 21–24.VIII.2006 (A. Shimizu) ; 1 ♀, Shimane Pref., Mt. Oyorogi, 650 m., 7.VIII.1993 (A. Lelej) ; 1 ♀, Gunma Pref., Mt. Hotaka, 17.VII.1977 (H. Itami) ; 1 ♀, Fukui Pref., Ono-shi, Arashi, 400–600 m., 31.VII.1993 (N. Kurzenko). Ryukyu, Yaku-shima: 1 ♂, Arakawa, 1200 m., 28.VI–29.VII.2007 (T. Yamauchi). [IBSS].

Distribution. Russia (Far East: Amur Prov., Khabarovsk Terr., Primorskii Terr., Sakhalin, Kurils), South Korea (Loktionov & Lelej 2014), Japan (from Hokkaido in the North to Tanegashima and Kuroshima in the South) (Yamane et al. 1999; Shimizu & Terayama 2016).

Biology. Host is spider Leucauge celebesiana (Walckenaer) (Nambu & Shimizu 1994).