Tetrastichus legionarius Giraud, 1863

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 legionarius Giraud, 1863

Tetrastichus legionarius Giraud 1863:1273. Lectotype ♀ in NMW, designated by Domenichini 1966:95, not examined. Transferred to Aprostocetus by Graham 1961:38-39 and back to Tetrastichus by Domenichini 1966:95. Fig. 73

Description

See Graham (1991).

Diagnosis

Female gaster very long, 2.6-3.3 × as long as wide, with Gt7 1.5-1.9 × as long as wide; female antenna with funiculars elongate, F1 4.1-4.3 ×, F2 3.2-3.9 ×, F3 2.8-3.1 × as long as wide; male scape with ventral plaque 0.6-0.7 × length of scape, whorled setae of funiculars not reaching to the tips of funiculars attached to; eye height 1.0 × malar space in both sexes; both sexes with relatively bright metallic blue colour.

Distribution

Austria, (former) Czechoslovakia, France, Hungary, Italy, The Netherlands, Spain ( Graham 1991), Sweden and United Kingdom (new records).

Ecology

Host

Gregarious endoparasitoid of larvae and pupae of Lipara lucens Meigen ( Diptera : Chloropidae ) ( Graham 1991).

Material examined

Non-type material (95♀ 17♂): Austria 1♀ (UCRC), France 16♀ 2♂ (GD, MZLU, NHM), Sweden 69♀ 15♂ (NHM, MZLU, ZSM), United Kingdom 9♀ (NHM).