Aphidius ervi Haliday 1834

Aphidius ervi Haliday, 1834 Aphidius (Aphidius) ervi Haliday, 1834: 100. Bracon infirmus Nees, 1811: 28–29. Aphidius ulmi Marshall, 1896: 576–577. Aphidius medicaginis Marshall, 1898: 249–250. Aphidius fumipennis Györfi, 1958: 133. Aphidius nigrescens Mackauer, 1962a: 642–643. Aphidius caraganae Starý, 1963: 603–604. Aphidius mirotarsi Starý, 1963: 605–607. Material examined VIETNAM • 1 ♀; NW, Tonkin, Hoàng Liên N. R., 15 km W of Sa Pa; 1900 m a.s.l.; 15–21 Oct. 1999; C. van Achterberg leg.; Malaise trap; RMNH. Remarks This specimen has a 16-segmented antenna and a moderately rugose anterolateral area of the first metasomal tergite, which is very variable within known A. ervi populations. Aphidius ervi has a cosmopolitan distribution, with (17)18–19(20)-segmented antennae and a usually clearly rugose anterolateral area of the first metasomal tergite (Starý 1973; Tomanović et al. 2023). First record for Vietnam.