Tetrastichus mixtus, 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 mixtus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H02; catalogNumber: BC-ZSM-HYM-27768-H02 ; recordNumber: BC-ZSM-HYM-27768-H02; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H02; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in NHM; Location: country: Romania; decimalLatitude: 47.244; decimalLongitude: 27.483; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B01; catalogNumber: BC-ZSM-HYM-27760-B01 ; recordNumber: BC-ZSM-HYM-27760-B01; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H07; catalogNumber: BC-ZSM-HYM-27768-H07 ; recordNumber: BC-ZSM-HYM-27768-H07; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H06; catalogNumber: BC-ZSM-HYM-27768-H06 ; recordNumber: BC-ZSM-HYM-27768-H06; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H06; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H05; catalogNumber: BC-ZSM-HYM-27768-H05 ; recordNumber: BC-ZSM-HYM-27768-H05; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-A11; catalogNumber: BC-ZSM-HYM-27760-A11 ; recordNumber: BC-ZSM-HYM-27760-A11; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-A11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C09; catalogNumber: BC-ZSM-HYM-27760-C09 ; recordNumber: BC-ZSM-HYM-27760-C09; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C09; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C08; catalogNumber: BC-ZSM-HYM-27760-C08 ; recordNumber: BC-ZSM-HYM-27760-C08; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C07; catalogNumber: BC-ZSM-HYM-27760-C07 ; recordNumber: BC-ZSM-HYM-27760-C07; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C07; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C04; catalogNumber: BC-ZSM-HYM-27760-C04 ; recordNumber: BC-ZSM-HYM-27760-C04; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C04; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C02; catalogNumber: BC-ZSM-HYM-27760-C02 ; recordNumber: BC-ZSM-HYM-27760-C02; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C02; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C01; catalogNumber: BC-ZSM-HYM-27760-C01 ; recordNumber: BC-ZSM-HYM-27760-C01; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B12; catalogNumber: BC-ZSM-HYM-27760-B12 ; recordNumber: BC-ZSM-HYM-27760-B12; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B12; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B10; catalogNumber: BC-ZSM-HYM-27760-B10 ; recordNumber: BC-ZSM-HYM-27760-B10; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B07; catalogNumber: BC-ZSM-HYM-27760-B07 ; recordNumber: BC-ZSM-HYM-27760-B07; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B02; catalogNumber: BC-ZSM-HYM-27760-B02 ; recordNumber: BC-ZSM-HYM-27760-B02; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-B02; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-A12; catalogNumber: BC-ZSM-HYM-27760-A12 ; recordNumber: BC-ZSM-HYM-27760-A12; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-A12; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-H01; catalogNumber: BC-ZSM-HYM-27768-H01 ; recordNumber: BC-ZSM-HYM-27768-H01; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-H01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G11; catalogNumber: BC-ZSM-HYM-27768-G11 ; recordNumber: BC-ZSM-HYM-27768-G11; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G06; catalogNumber: BC-ZSM-HYM-27768-G06 ; recordNumber: BC-ZSM-HYM-27768-G06; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G06; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G05; catalogNumber: BC-ZSM-HYM-27768-G05 ; recordNumber: BC-ZSM-HYM-27768-G05; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G04; catalogNumber: BC-ZSM-HYM-27768-G04 ; recordNumber: BC-ZSM-HYM-27768-G04; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G04; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G03; catalogNumber: BC-ZSM-HYM-27768-G03 ; recordNumber: BC-ZSM-HYM-27768-G03; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G03; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29751-A10; catalogNumber: BC-ZSM-HYM-29751-A10 ; recordNumber: BC-ZSM-HYM-29751-A10; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-A10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusmixtus; 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

Description

FEMALE holotype (Fig. 10). Body length 2.0 mm (paratypes 1.2-2.0 mm). Head. Width/length (dorsal view) 2.3, width/length (frontal view) 1.3, POL/OOL 2.4, widths head/mesosoma 1.0, mouth width/malar space 1.2, malar space/eye height 0.8. Antenna. Scape length/eye height 1.1, pedicel+flagellum length/mesosoma width 1.0, length/width F1, F2, F3 1.7, 1.8, 1.3, clava length/width 3.4, lengths pedicel/F1 0.8, lengths F1/F2 0.9, F1/F3 1.2, lengths F1, F2, F3/clava 0.4, 0.5, 0.4, widths F1/pedicel (dorsal view) 1.1, lengths antennal spicule/C3 0.6. Mesosoma. Length/width 1.3, mesoscutal mid-lobe length/width (width measured in anterior part) 0.8, mid-lobe with median groove in posterior ¾, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.1, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.3, distance between SMG/distance between SMG and SLG 1.5, lengths dorsellum/propodeum (measured medially) 0.6, propodeum with weak reticulation, propodeal callus with four setae. Fore wing. Costal cell length/width 11.0, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 3.0. Gaster. Subcircular to ovate, length/width 1.2, lengths gaster/mesosoma 0.9, Gt7 length/width 0.4, length of longest cercal seta/next longest seta 1.5, longest cercal seta almost straight, ovipositor sheaths reaching to, but not protruding beyond, apex of Gt7.

Colour. Body with weak metallic green and golden tinges, scape dark yellowish-brown, pedicel and flagellum dark brown, tegulae dark brown, wings hyaline with veins yellowish-white, coxae concolorous with body, trochanters dark brown, femora dark brown with very weak metallic tinges, tibiae and tarsi yellowish-brown.

MALE. Body length 1.1-1.4 mm. Head. Width/length (dorsal view) 2.0, width/length (frontal view) 1.2, mouth width/malar space 1.3, eye height/malar space 1.4, widths head/mesosoma 1.2. Antenna. F1-F4 with basal whorls of setae, these setae subequal in length to flagellomere attached to, scape length/eye height 1.1, scape length/width 3.2, ventral plaque placed in central part of scape, lengths ventral plaque/scape 0.7, pedicel+flagellum length/mesosoma width 1.8, length/width F1, F2, F3, F4 2.0, 2.7, 2.7, 2.3, clava length/width 5.3, lengths pedicel/F1 0.8, lengths F1/F2 0.8, F1/F3 0.8, F1/F4 0.9, lengths F1, F2, F3, F4/clava 0.4, 0.5, 0.5, 0.4.

Colour. Similar to female, but antennal scape dark brown.

Diagnosis

Female with distance between posterior ocelli relatively long, POL/OOL= 2.4; F1 1.7 × as long as wide; distance between SMG 1.5 × distance SMG to SLG; ovipositor sheaths reaching to, but not protruding beyond, apex of Gt7. Male with antennal clava 5.3 ×, F4 2.3 × and scape 3.2 × as long as wide.

Distribution

Hungary, Romania, Sweden.

Ecology

Host

Unknown.

Notes

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

Additional paratype (not barcoded)

1♀ "HUNGARY, Balaton-Zamárdi, 1.VIII.1961, A. Sundholm" (NHM, ex coll. Hedqvist).