Ismarus halidayi Foerster, 1850

? Entomia campanulata Herrich-Schäffer, 1840: 127 (nomen dubium).

Ismarus halidayi Förster, 1850: 285.

Ismarus longicornis Thomson, 1858: 378. Synonymized by Kolyada and Chemyreva (2016).

Ismarus mongolicus Szabó, 1974: 23. Synonymized by Kolyada and Chemyreva (2016).

Type material examined.

♀ holotype of I. mongolicus: MONGOLIA: Central aimak, Tosgoni ovoo, 5−10 km North of von Ulan-Baator, 1500−1700 m alt., Exp. Dr. Z. Kaszab, 19−20, 23−24 Jul. 1968 (HNHM, Type No. 2622, Mus. Budapest); ♀ lectotype of I. longicornis: SWEDEN: “Sbg” [ Sövdeborg], “Rh” [collector Carl David Emmanuel Roth], " NHRS-HEVA 000003605" (NHRS).

Additional material examined

(9♀♀3♂♂). SOUTH AFRICA: 1♀, Transvaal, Down’s Forest, 1350 m alt., 25 km West of Trichardtsdal, 23.XII.1985, W. R. Mason leg., CJDAF010068 (CNCI); 1♂, Port St. John, Pondoland, I.1924, R. E. Turner leg., CJDAF010078 (NHMUK); 2♀♀, Transvaal, 1350 m alt., Trichardtsdal, 25 km West of The Downs, 23.XII.1985, W.R.M. Mason leg., CJDAF010069-010070 (CNCI); 2♀♀, Transvaal, Down’s Forest, 1350 m alt., 30 km West of Trichardtsdal, 30 .XII.1985, sweep, M. Sanborne leg., CJDAF010071-010072 (CNCI); 4♀♀, Cape Province, Outeniqua Pass, 700 m alt., 10 km North of George, 12-15.I.1986 (MT), W.R.M. Mason leg., CJDAF010073-010076 (CNCI); 1♂, W. Cape, Cape Town, above Tokai Forest, Constantiaberg, above Donkerboskloof, 460 m alt., 34°02'S, 18°23.5'E, 25. I– 2.II.1994 (MT), S. van Noort leg., CJDAF010079 (CNCI), mesic mountain fynbos on sandstone, Protea dominated; 1♂, Port St. John, Pondoland, I.1924, R. E. Turner leg., CJDAF010077 (NHMUK).

Distribution.

AFROTROPICAL: South Africa (new record); NEARCTIC: Canada, USA; PALAEARCTIC: Azerbaijan, Bulgaria, China (Ningxia, Tibet), Czech Republic, Denmark, Finland, Georgia, Germany, Hungary, Japan, Mongolia, Netherlands, Norway, Republic of Ireland, Russia,, South Korea, Sweden, United Kingdom; ORIENTAL: China (Sichuan, Guizhou, Yunnan).

Host.

Reared from Anteon jurineanum Latreille and A. infectum (Haliday) ( Dryinidae) (Chambers 1955; Olmi 2000).

Remarks.

This species, widely distributed in the Nearctic, Palaearctic and Oriental regions, is here reported for the first time from the Afrotropical region (South Africa).