A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy Author Hansson, Christer The Natural History Museum, London, United Kingdom & Biological Museum (Entomology), Lund University, Lund, Sweden christerdennis@gmail.com Author Schmidt, Stefan https://orcid.org/0000-0001-5751-8706 SNSB-Zoologische Staatssammlung Muenchen, Munich, Germany schmidt.s@snsb.de text Biodiversity Data Journal 2020 2020-12-16 8 59177 59177 http://dx.doi.org/10.3897/BDJ.8.e59177 journal article http://dx.doi.org/10.3897/BDJ.8.e59177 1314-2828-8-e59177 AD70B3AB67634D2885F290988225C5C8 2BC7CCC36D765F1C87ACBE8025DFD848 Tetrastichus helviscapus Graham, 1991 Tetrastichus helviscapus Graham 1991 :242-243. Holotype ♀ in NHM (NHM type no. 5.3617), examined (Fig. 27 ). Description See Graham (1991) . Diagnosis Tibiae yellowish-brown; female with malar space 0.7 x eye height; scape 4.0 x and antennal clava 3.0 x as long as wide; mesoscutellum with ratio distance between submedian grooves to between submedian and sublateral grooves 1.4 and enclosed space between submedian grooves 2.7 x as long as wide. Distribution Moldova, Russia, United Kingdom, (former) Yugoslavia ( Graham 1991 ); Sweden ( Hedqvist 2003 ); France and Morocco ( new records ). Host Unknown. Additional material examined France, 2♀ (GD); Morocco, 2♀ (GD).