Tetrastichus dasyops Graham, 1991

Hansson, Christer & Schmidt, Stefan, 2020, A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy, Biodiversity Data Journal 8, pp. 59177-59177 : 59177

Tetrastichus dasyops Graham, 1991

Tetrastichus dasyops Graham 1991:263-264. Holotype ♀ in NHM, examined (Fig. 7).

Description

See Graham (1991).

Diagnosis

Female with length of pedicel+flagellum 1.0-1.05 × width of mesoscutum, F1 1.7-2.0 ×, F2 1.2-1.6 × and antennal clava (incl. spicule) 2.1-2.35 × as long as wide; submedian grooves of mesoscutellum nearer to sublateral grooves than to each other; ovipositor sheaths reach apex of Gt7or slightly beyond. Similar to T. atratulus , but with shorter antennal flagellum and longer ovipositor sheaths.

Distribution

United Kingdom ( Graham 1991), Sweden ( Hedqvist 2003), France, Italy, Romania, Russia, Spain, Switzerland (new records).

Ecology

Host

Unknown.

Material examined

Type material: holotype ♀ (NHM, type no. 5.3626). Additional material (158♀ 14♂): France 7♀ 1♂ (GD, NHM), Italy 5♀ (NHM), Romania 3♀ (NHM), Russia 16♀ 1♂ (MZLU, UCRC), Spain 1♀ (NHM), Sweden 122♀ 12♂ (MZLU, NHM, NHRS), Switzerland 1♀ (NHM), United Kingdom 3♀ (NHM).