Tetrastichus bledius, 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

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/E1A7FCA0-37D7-4E81-BAF9-D9515F7A4327

taxon LSID

lsid:zoobank.org:act:E1A7FCA0-37D7-4E81-BAF9-D9515F7A4327

treatment provided by

Biodiversity Data Journal by Pensoft

scientific name

Tetrastichus bledius
status

sp. n.

Tetrastichus bledius   ZBK sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-C01; catalogNumber: BC-ZSM-HYM-27768-C01 ; recordNumber: BC-ZSM-HYM-27768-C01; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-C01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in NHM; Location: country: Romania; decimalLatitude: 47.011; decimalLongitude: 27.603; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-22526-F01; catalogNumber: BC-ZSM-HYM-22526-F01 ; recordNumber: BC-ZSM-HYM-22526-F01; recordedBy: S. Schmidt; individualID: BC-ZSM-HYM-22526-F01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.776; decimalLongitude: 16.624; Record Level: type: PhysicalObject; language: en; institutionCode: ZSM; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29751-B01; catalogNumber: BC-ZSM-HYM-29751-B01 ; recordNumber: BC-ZSM-HYM-29751-B01; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-B01; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6861; decimalLongitude: 13.4611; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H03; catalogNumber: BC-ZSM-HYM-27768-H03 ; recordNumber: BC-ZSM-HYM-27768-H03; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H03; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.244; decimalLongitude: 27.483; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-D03; catalogNumber: BC-ZSM-HYM-27760-D03 ; recordNumber: BC-ZSM-HYM-27760-D03; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-D03; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.1875; decimalLongitude: 27.5489; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-26563-D02; catalogNumber: BC-ZSM-HYM-26563-D02 ; recordNumber: BC-ZSM-HYM-26563-D02; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-26563-D02; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.5214; decimalLongitude: 13.9369; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G08; catalogNumber: BC-ZSM-HYM-27768-G08 ; recordNumber: BC-ZSM-HYM-27768-G08; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.244; decimalLongitude: 27.483; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C12; catalogNumber: BC-ZSM-HYM-27760-C12 ; recordNumber: BC-ZSM-HYM-27760-C12; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C12; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.2442; decimalLongitude: 27.4828; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C11; catalogNumber: BC-ZSM-HYM-27760-C11 ; recordNumber: BC-ZSM-HYM-27760-C11; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.2442; decimalLongitude: 27.4828; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B03; catalogNumber: BC-ZSM-HYM-27760-B03 ; recordNumber: BC-ZSM-HYM-27760-B03; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B03; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusbledius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.2442; decimalLongitude: 27.4828; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps

Description

FEMALE holotype (Fig. 39). Body length 1.7 mm (paratypes 1.5-1.7 mm). Head. Width/length in dorsal view 2.4, width/length in frontal view 1.3, POL/OOL 2.3, widths head/mesosoma 1.1, mouth width/malar space 1.2, malar space/eye height 0.8. Antenna. Scape length/eye height 1.1, pedicel+flagellum length/mesosoma width 1.4, length/width F1, F2, F3 1.6, 1.6, 1.5, clava length/width 3.8, lengths pedicel/F1 0.9, lengths F1/F2 0.9, F1/F3 0.9, lengths F1, F2, F3/clava 0.4, 0.4, 0.4, widths F1/pedicel (dorsal view) 1.1, lengths antennal spicule/C3 0.4. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width 1.0 (width measured in anterior part), mid-lobe with a median groove in posterior ½, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.3, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.2, distance between SMG/distance between SMG and SLG 1.9, lengths dorsellum/propodeum 0.8, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 14.0, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 3.0. Gaster. Ovate, length/width 1.7, lengths gaster/head+mesosoma 1.0, Gt7 length/width 0.5, length of longest cercal seta/next longest seta 1.3, longest cercal seta almost straight, ovipositor sheaths not reaching apex of Gt7.

Colour. Body with weak metallic blue-green tinges, entire antenna dark brown, tegulae dark brown, wings hyaline with venation brown to fuscous, coxae and femora concolorous with body, trochanters dark brown, fore tibia yellowish-brown, mid and hind tibiae dark brown, fore tarsus brown, mid and hind tarsi yellowish-brown with T4 dark brown.

MALE. Body length 1.4 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, mouth width/malar space 1.2, eye height/malar space 1.4, widths head/mesosoma 1.1. Antenna. F1-F4 with basal whorls of setae, reaching beyond apex of corresponding flagellomere, scape length/eye height 1.0, scape length/width 2.4, ventral plaque placed in central part of scape, lengths ventral plaque/scape 0.9, pedicel+flagellum length/mesosoma width 1.6, length/width F1, F2, F3, F4 1.0, 1.3, 1.8, 1.7, clava length/width 3.8, lengths pedicel/F1 1.2, lengths F1/F2 0.8, F1/F3 0.6, F1/F4 0.6, lengths F1, F2, F3, F4/clava 0.3, 0.4, 0.5, 0.4.

Colour similar to female, but with all tarsi brown.

Diagnosis

Ratio POL/OOL 2.3; mesoscutellum with distance between SMG/distance between SMG and SLG 1.9; female gaster ovate, 1.7 × as long as wide. See also key to distinguish from similar species.

Distribution

Romania and Sweden.

Ecology

Host

Unknown.

Notes

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

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Eulophidae

Genus

Tetrastichus