Tetrastichus acutiusculus 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 acutiusculus Graham, 1991

Tetrastichus acutiusculus Graham 1991:261. Holotype ♀ in NHM, examined (Fig. 54).

Materials

Type status: Other material. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-B10|BC-ZSM-HYM-22524-B07|BC-ZSM-HYM-20721-F07|BC-ZSM-HYM-21587-B03; catalogNumber: BC-ZSM-HYM-20721-F07 ; recordNumber: BC-ZSM-HYM-20721-F07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-F07; individualCount: 1; sex: F; lifeStage: Adult; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-20721-F07+1398632230.jpg; Taxon: scientificName: Tetrastichusacutiusculus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Sweden; locality: Klagshamn ; decimalLatitude: 55.533; decimalLongitude: 12.917; Identification: identifiedBy: Christer Hansson; identificationRemarks: CH00225 Type status: Other material. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-B10|BC-ZSM-HYM-22524-B07|BC-ZSM-HYM-20721-F07|BC-ZSM-HYM-21587-B03; catalogNumber: BC-ZSM-HYM-22524-B07 ; recordNumber: BC-ZSM-HYM-22524-B07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-22524-B07; individualCount: 1; sex: F; lifeStage: a; reproductiveCondition: S; Taxon: scientificName: Tetrastichusacutiusculus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Hungary; locality: Koeszeg ; decimalLatitude: 47.22; decimalLongitude: 16.313; Identification: identifiedBy: Christer Hansson; identificationRemarks: CH09270 Type status: Other material. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-B10|BC-ZSM-HYM-22524-B07|BC-ZSM-HYM-20721-F07|BC-ZSM-HYM-21587-B03; catalogNumber: BC-ZSM-HYM-21587-B10 ; recordNumber: BC-ZSM-HYM-21587-B10; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-B10; individualCount: 1; sex: F; lifeStage: a; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-21587-B10+1423081070.jpg; Taxon: scientificName: Tetrastichusacutiusculus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Sweden; locality: Bostorpsvaegen ; decimalLatitude: 56.776; decimalLongitude: 16.707; Identification: identifiedBy: Christer Hansson Type status: Other material. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-B03; catalogNumber: BC-ZSM-HYM-21587-B03 ; recordNumber: BC-ZSM-HYM-21587-B03; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-B03; individualCount: 1; sex: F; lifeStage: a; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-21587-B03+1423081074.jpg; Taxon: scientificName: Tetrastichusacutiusculus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Sweden; locality: Ismantorp ; decimalLatitude: 56.893; decimalLongitude: 16.768; Identification: identifiedBy: Christer Hansson

Description

See Graham (1991). The male is unknown.

Diagnosis

Gaster 2 × as long as wide with Gt7 1 × as long as width at base. Similar to T. leocrates , but with longer gaster and longer antenna, as mentioned in the key.

Distribution

United Kingdom ( Graham 1991), Sweden ( Hedqvist 2003), andHungary (new record).

Ecology

Host

Unknown.

Additional material examined

Type material: holotype ♀ (NHM, type no. 5.3625). Additional material: Hungary 1♀ (NHM), Sweden 5♀ (NHRS, MZLU, ZSM).