Tetrastichus suecus, Hansson & Schmidt, 2020

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 suecus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29751-F01; catalogNumber: BC-ZSM-HYM-29751-F01 ; recordNumber: BC-ZSM-HYM-29751-F01; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-F01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.0756; decimalLongitude: 13.6778; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-F03; catalogNumber: BC-ZSM-HYM-27769-F03 ; recordNumber: BC-ZSM-HYM-27769-F03; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-F03; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-E12; catalogNumber: BC-ZSM-HYM-27769-E12 ; recordNumber: BC-ZSM-HYM-27769-E12; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-E12; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-E09; catalogNumber: BC-ZSM-HYM-27769-E09 ; recordNumber: BC-ZSM-HYM-27769-E09; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-E09; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-B07; catalogNumber: BC-ZSM-HYM-20721-B07 ; recordNumber: BC-ZSM-HYM-20721-B07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-B07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.617; decimalLongitude: 16.567; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-E04; catalogNumber: BC-ZSM-HYM-27769-E04 ; recordNumber: BC-ZSM-HYM-27769-E04; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-E04; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.609; decimalLongitude: 16.509; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-B01; catalogNumber: BC-ZSM-HYM-21587-B01 ; recordNumber: BC-ZSM-HYM-21587-B01; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-B01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.893; decimalLongitude: 16.768; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-A08; catalogNumber: BC-ZSM-HYM-21587-A08 ; recordNumber: BC-ZSM-HYM-21587-A08; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-A08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.765; decimalLongitude: 16.695; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-A05; catalogNumber: BC-ZSM-HYM-21587-A05 ; recordNumber: BC-ZSM-HYM-21587-A05; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-A05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 57.141; decimalLongitude: 17.024; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-C10; catalogNumber: BC-ZSM-HYM-20721-C10 ; recordNumber: BC-ZSM-HYM-20721-C10; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-C10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.167; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-H11; catalogNumber: BC-ZSM-HYM-20721-H11 ; recordNumber: BC-ZSM-HYM-20721-H11; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-H11; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.45; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29813-D07; catalogNumber: BC-ZSM-HYM-29813-D07 ; recordNumber: BC-ZSM-HYM-29813-D07; recordedBy: B.Tjeder; individualID: BC-ZSM-HYM-29813-D07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.3834; decimalLongitude: 14.1197; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-C01; catalogNumber: BC-ZSM-HYM-27769-C01 ; recordNumber: BC-ZSM-HYM-27769-C01; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-C01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27769-B10; catalogNumber: BC-ZSM-HYM-27769-B10 ; recordNumber: BC-ZSM-HYM-27769-B10; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-B10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-13565-A01; catalogNumber: BC-ZSM-HYM-13565-A01 ; recordNumber: BC-ZSM-HYM-13565-A01; individualID: BC-ZSM-HYM-13565-A01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 66.767; decimalLongitude: 20.10; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25461-E04; catalogNumber: BC-ZSM-HYM-25461-E04 ; recordNumber: BC-ZSM-HYM-25461-E04; recordedBy: D.M.S.P., J.F.P.; individualID: BC-ZSM-HYM-25461-E04; individualCount: 1; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.433; decimalLongitude: 14.117; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25461-E05; catalogNumber: BC-ZSM-HYM-25461-E05 ; recordNumber: BC-ZSM-HYM-25461-E05; recordedBy: D.M.S.P., J.F.P.; individualID: BC-ZSM-HYM-25461-E05; individualCount: 1; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.433; decimalLongitude: 14.117; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25461-E06; catalogNumber: BC-ZSM-HYM-25461-E06 ; recordNumber: BC-ZSM-HYM-25461-E06; recordedBy: D.M.S.P., J.F.P.; individualID: BC-ZSM-HYM-25461-E06; individualCount: 1; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.433; decimalLongitude: 14.117; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29751-G07; catalogNumber: BC-ZSM-HYM-29751-G07 ; recordNumber: BC-ZSM-HYM-29751-G07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-G07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.0756; decimalLongitude: 13.6778; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29813-G09; catalogNumber: BC-ZSM-HYM-29813-G09 ; recordNumber: BC-ZSM-HYM-29813-G09; recordedBy: A.Jansson; individualID: BC-ZSM-HYM-29813-G09; individualCount: 1; sex: F; lifeStage: Adult; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-29813-G09+1516986306.jpg; Taxon: scientificName: Tetrastichussuecus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus; Location: country: Sweden; locality: Oerebro ; decimalLatitude: 59.2753; decimalLongitude: 15.2134; Identification: identifiedBy: Christer Hansson

Description

FEMALE holotype (Fig. 37). Body length 2.2 mm (paratypes 1.3-2.6 mm). Head. Width/length in dorsal view 2.2, width/length in frontal view 1.3, POL/OOL 1.6, widths head/mesosoma 1.0, mouth width/malar space 1.0, malar space/eye height 1.0. Antenna. Scape length/eye height 1.1, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 2.4, 2.3, 2.3, clava length/width 4.2, lengths pedicel/F1 0.6, lengths F1/F2 1.0, F1/F3 1.0, lengths F1, F2, F3/clava 0.6, 0.6, 0.6, widths F1/pedicel (dorsal view) 1.1, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.5, mesoscutal mid-lobe length/width 0.9 (width measured in anterior part), mid-lobe with complete median groove, with six adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.3, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.7, distance between SMG/distance between SMG and SLG 1.4, lengths dorsellum/propodeum 0.5, propodeum with weak reticulation, propodeal callus with four setae. Fore wing. Costal cell length/width 8.0, lengths costal cell/marginal vein 1.2, lengths marginal/stigmal veins 2.6. Gaster. Subcircular to ovate, length/width 1.6, lengths gaster/mesosoma 1.1, Gt7 length/width 0.5, length of longest cercal seta/next longest seta 2.0, longest cercal seta evenly curved, ovipositor sheaths not reaching apex of Gt7.

Colour. Body golden-green, scape yellowish-brown with dorsal edge and apical ⅓ dark brown, pedicel and flagellum dark brown, tegulae black with metallic tinges, wing venation yellowish-white, coxae and femora concolorous with body, trochanters black, tibiae yellowish-brown, fore tarsus brownish becoming darker towards apex, mid and hind tarsi yellowish-brown with T4 brown.

Variation. Three paratypes with entire antennal scape dark brown. Colour of body blue, blue-green or green-blue and small specimens with weaker metallic tinges on body.

MALE (Fig. 37). Body length 1.9 mm. Head. Width/length in dorsal view 2.4, width/length in frontal view 1.3, eye height/malar space 1.1, mouth width/malar space 1.1, widths head/mesosoma 1.1. Antenna. F1-F4 without basal whorls of setae, scape length/eye height 1.1, scape length/width 3.0, ventral plaque placed in central part of scape, lengths ventral plaque/scape 0.7, pedicel+flagellum length/mesosoma width 1.6, length/width F1, F2, F3, F4 1.6, 2.0, 2.2, 2.2, clava length/width 4.4, lengths pedicel/F1 0.8, lengths F1/F2 0.8, F1/F3 0.7, F1/F4 0.7, lengths F1, F2, F3, F4/clava 0.4, 0.5, 0.5, 0.5.

Colour. Scape dark brown and body metallic blue-green. Otherwise similar to female.

Diagnosis

Tibiae yellowish-brown; female with malar space 1.0 × eye height, POL/OOL 1.6, F1 2.4 ×, F2 2.3 ×, F3 2.3 × as long as wide; male with antennal scape 3.0 ×, F1 1.6 ×, F2 2.0 ×, F3 2.2 ×, F4 2.2 × and clava 4.4 × as long as wide.

Distribution

Sweden.

Notes

Holotype deposited in MZLU, paratypes in MZLU, NHM, SMTP and ZSM.

Host

Unknown.