Tetrastichus argutus, 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/9CD75EDB-59FC-4BF2-96EC-1632D8465ABA

taxon LSID

lsid:zoobank.org:act:9CD75EDB-59FC-4BF2-96EC-1632D8465ABA

treatment provided by

Biodiversity Data Journal by Pensoft

scientific name

Tetrastichus argutus
status

sp. n.

Tetrastichus argutus   ZBK sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29751-E11; catalogNumber: BC-ZSM-HYM-29751-E11 ; recordNumber: BC-ZSM-HYM-29751-E11; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-E11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.7078; decimalLongitude: 13.4528; 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-29750-E01; catalogNumber: BC-ZSM-HYM-29750-E01 ; recordNumber: BC-ZSM-HYM-29750-E01; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29750-E01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6619; decimalLongitude: 13.5472; 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-25460-H03; catalogNumber: BC-ZSM-HYM-25460-H03 ; recordNumber: BC-ZSM-HYM-25460-H03; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-H03; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6619; decimalLongitude: 13.5472; 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-29751-D04; catalogNumber: BC-ZSM-HYM-29751-D04 ; recordNumber: BC-ZSM-HYM-29751-D04; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-D04; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.6967; decimalLongitude: 13.47; 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-22524-C06; catalogNumber: BC-ZSM-HYM-22524-C06 ; recordNumber: BC-ZSM-HYM-22524-C06; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-22524-C06; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Hungary; decimalLatitude: 46.522; decimalLongitude: 16.256; 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-27769-C12; catalogNumber: BC-ZSM-HYM-27769-C12 ; recordNumber: BC-ZSM-HYM-27769-C12; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-C12; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.788; decimalLongitude: 16.637; 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-25460-C05; catalogNumber: BC-ZSM-HYM-25460-C05 ; recordNumber: BC-ZSM-HYM-25460-C05; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-25460-C05; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.705; decimalLongitude: 13.4886; 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-27769-E10; catalogNumber: BC-ZSM-HYM-27769-E10 ; recordNumber: BC-ZSM-HYM-27769-E10; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-27769-E10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusargutus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: decimalLatitude: 56.676; decimalLongitude: 16.558; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen GoogleMaps

Description

FEMALE holotype (Fig. 38). Body length 2.0 mm (paratype 1.8 mm). Head. Width/length in dorsal view 2.0, width/length in frontal view 1.2, POL/OOL 2.1, widths head/mesosoma 1.1, mouth width/malar space 1.2, malar space/eye height 0.6. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.9, length/width F1, F2, F3 2.0, 2.8, 2.6, clava length/width 4.0, lengths pedicel/F1 0.4, lengths F1/F2 0.8, F1/F3 1.0, lengths F1, F2, F3/clava 0.6, 0.7, 0.6, widths F1/pedicel (dorsal view) 1.8, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width (width measured medially) 0.9, mid-lobe with complete median groove, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.4, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.1, distance between SMG/distance between SMG and SLG 1.8, lengths dorsellum/propodeum (measured medially) 0.6, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 15.0, lengths costal cell/marginal vein 0.8, lengths marginal/stigmal veins 3.2. Gaster. Elongate-acuminate, length/width 2.1, lengths gaster/head+mesosoma 1.0, Gt7 length/width 0.6, length of longest cercal seta/next longest seta 1.8, longest cercal seta kinked in apical ¼, ovipositor sheaths reaching beyond apex of Gt7.

Colour. Body strongly metallic, coppery and golden, scape yellowish-brown, pedicel and flagellum dark brown, tegulae dark brown, wing hyaline with venation yellowish-brown, coxae concolorous with body, trochanters, femora and tibiae yellowish-brown, tarsi yellowish-brown with T4 brown.

MALE. Body length 1.4-1.6 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.2, eye height/malar space 1.5, mouth width/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 1.1, scape length/width 3.2, ventral plaque placed in central part of scape, lengths ventral plaque/scape 0.3, pedicel+flagellum length/mesosoma width 2.1, length/width F1, F2, F3, F4 1.9, 2.4, 2.8, 2.5, clava length/width 4.8, lengths pedicel/F1 0.7, lengths F1/F2 0.8, F1/F3 0.8, F1/F4 0.9, lengths F1, F2, F3, F4/clava 0.5, 0.6, 0.6, 0.5.

Colour. Different from female in several parts: scape, trochanters and femora dark brown, tibiae pale brown, fore tarsus brown, body less strongly metallic, blue.

Diagnosis

Female with ovipositor sheaths extending beyond apex of Gt7; antenna with long flagellomeres: F1 2.0 ×, F2 2.8 × and F3 2.6 × as long as wide, pedicel 0.4 × as long as F1, F1 1.8 × as wide as width of pedicel in dorsal view, pedicel+flagellum 1.9 × width of mesoscutum; male scape with short plaque, 0.3 × length of scape and with apex of scape narrowed, with long flagellomeres: F1 1.9 ×, F2 2.4 ×, F3 2.8 × and F4 2.5 × as long as wide; female trochanters, femora and scape yellowish-brown; hind coxa with a strong and sharp carina along posterior margin.

Distribution

Hungary and Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU, paratypes in MZLU.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Eulophidae

Genus

Tetrastichus