Tetrastichus pachycerus 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

publication ID	https://dx.doi.org/10.3897/BDJ.8.e59177
publication LSID	lsid:zoobank.org:pub:AD70B3AB-6763-4D28-85F2-90988225C5C8
persistent identifier	https://treatment.plazi.org/id/110B2006-ED0C-54E0-8C35-A031F9C5C78E
treatment provided by	Biodiversity Data Journal by Pensoft
scientific name	Tetrastichus pachycerus Graham, 1991
status

Treatment

Tetrastichus pachycerus Tetrastichus pachycerus Graham 1991 83

Description

See Graham (1991).

Diagnosis

Ocellar triangle encircled by groove; vertex with numerous piliferous punctures; antennal flagellum stout, distinctly wider than width of pedicel, clava with apex blunt; F1 2.2-2.4 × as long as wide; funiculars strongly hairy and with sensilla usually in three rows; large species, 2.4-3.1 mm.

Distribution

(Former) Czechoslovakia, France, United Kingdom ( Graham 1991), Norway and Sweden (new records).

Ecology

Host

Unknown.

Material examined

Type material: holotype ♀ of T. pachycerus (NHM, type no. 5.3621). Additional material (10♀): France 1♀ (NHM), Norway 2♀ (NHM), Sweden 5♀ (MZLU, NHM, NHRS), United Kingdom 2♀ (NHM).