Tetrastichus cumulus, 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 cumulus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29750-C09; catalogNumber: BC-ZSM-HYM-29750-C09 ; recordNumber: BC-ZSM-HYM-29750-C09; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29750-C09; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.6861; decimalLongitude: 13.4611; 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-29750-D02; catalogNumber: BC-ZSM-HYM-29750-D02 ; recordNumber: BC-ZSM-HYM-29750-D02; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29750-D02; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; 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; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29750-C05; catalogNumber: BC-ZSM-HYM-29750-C05 ; recordNumber: BC-ZSM-HYM-29750-C05; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29750-C05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; 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; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29814-D08; catalogNumber: BC-ZSM-HYM-29814-D08 ; recordNumber: BC-ZSM-HYM-29814-D08; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29814-D08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7078; decimalLongitude: 13.475; 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-27493-F01; catalogNumber: BC-ZSM-HYM-27493-F01 ; recordNumber: BC-ZSM-HYM-27493-F01; recordedBy: SMTP; individualID: BC-ZSM-HYM-27493-F01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 60.276; decimalLongitude: 17.191; 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-C07; catalogNumber: BC-ZSM-HYM-29751-C07 ; recordNumber: BC-ZSM-HYM-29751-C07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29751-C07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-21587-G07; catalogNumber: BC-ZSM-HYM-21587-G07 ; recordNumber: BC-ZSM-HYM-21587-G07; recordedBy: C.Hansson; individualID: BC-ZSM-HYM-21587-G07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.834; decimalLongitude: 13.528; 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-22523-D05; catalogNumber: BC-ZSM-HYM-22523-D05 ; recordNumber: BC-ZSM-HYM-22523-D05; recordedBy: Swedish Malaise Trap Project; individualID: BC-ZSM-HYM-22523-D05; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 58.185; decimalLongitude: 14.379; 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-A02; catalogNumber: BC-ZSM-HYM-13565-A02 ; recordNumber: BC-ZSM-HYM-13565-A02; recordedBy: SMTP project; individualID: BC-ZSM-HYM-13565-A02; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.933; decimalLongitude: 18.267; 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-26563-E11; catalogNumber: BC-ZSM-HYM-26563-E11 ; recordNumber: BC-ZSM-HYM-26563-E11; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-26563-E11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; 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 Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-22524-F07; catalogNumber: BC-ZSM-HYM-22524-F07 ; recordNumber: BC-ZSM-HYM-22524-F07; recordedBy: E. Shevtsova; individualID: BC-ZSM-HYM-22524-F07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Russia; decimalLatitude: 59.567; decimalLongitude: 30.133; 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-F12; catalogNumber: BC-ZSM-HYM-20721-F12 ; recordNumber: BC-ZSM-HYM-20721-F12; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-F12; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.5; 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-F09; catalogNumber: BC-ZSM-HYM-20721-F09 ; recordNumber: BC-ZSM-HYM-20721-F09; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-F09; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.5; 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-G08; catalogNumber: BC-ZSM-HYM-20721-G08 ; recordNumber: BC-ZSM-HYM-20721-G08; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-G08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.483; 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-20721-D05; catalogNumber: BC-ZSM-HYM-20721-D05 ; recordNumber: BC-ZSM-HYM-20721-D05; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-D05; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.667; decimalLongitude: 13.55; 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-B08; catalogNumber: BC-ZSM-HYM-20721-B08 ; recordNumber: BC-ZSM-HYM-20721-B08; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-B08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 56.75; decimalLongitude: 16.65; 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-A03; catalogNumber: BC-ZSM-HYM-20721-A03 ; recordNumber: BC-ZSM-HYM-20721-A03; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-A03; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 55.583; decimalLongitude: 13.417; 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-27493-F10; catalogNumber: BC-ZSM-HYM-27493-F10 ; recordNumber: BC-ZSM-HYM-27493-F10; recordedBy: SMTP; individualID: BC-ZSM-HYM-27493-F10; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 59.107; decimalLongitude: 18.138; 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-27493-H11; catalogNumber: BC-ZSM-HYM-27493-H11 ; recordNumber: BC-ZSM-HYM-27493-H11; recordedBy: SMTP; individualID: BC-ZSM-HYM-27493-H11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 57.004; decimalLongitude: 16.066; 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-A11; catalogNumber: BC-ZSM-HYM-13565-A11 ; recordNumber: BC-ZSM-HYM-13565-A11; recordedBy: SMTP; individualID: BC-ZSM-HYM-13565-A11; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuscumulus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Sweden; decimalLatitude: 64.183; decimalLongitude: 19.60; Record Level: type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 22). Body length 2.5 mm (paratypes 1.7-2.7 mm). Head. Width/length in dorsal view 2.2, width/length in frontal view 1.3, POL/OOL 2.0, widths head/mesosoma 1.0, mouth width/malar space 1.0, malar space/eye height 0.9. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 2.3, 2.0, 1.8, clava length/width 3.8, lengths pedicel/F1 0.6, lengths F1/F2 1.0, F1/F3 1.1, lengths F1, F2, F3/clava 0.5, 0.5, 0.5, widths F1/pedicel (dorsal view) 1.2, 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 median groove in posterior 4/5, with six 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 3.3, distance between SMG/distance between SMG and SLG 1.2, lengths dorsellum/propodeum (measured medially) 0.7, propodeum with strong reticulation, propodeal callus with four setae. Fore wing. Costal cell length/width 8.8, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 3.1. Gaster. Subcircular to ovate, length/width 1.4, lengths gaster/mesosoma 1.1, Gt7 length/width 0.4, length of longest cercal seta/next longest seta 1.3, longest cercal seta straight, ovipositor sheaths not reaching apex of Gt7.

Colour. Body metallic blue-green, scape dark brown with base dark yellowish-brown, pedicel and flagellum dark brown, tegulae black with metallic tinge, wings hyaline with veins yellowish-brown, coxae and femora concolorous with body, trochanters black, tibiae yellowish-brown, fore tarsus dark brown, mid and hind tarsi yellowish-brown with T4 brown.

Variation. Colour of scape varies from completely dark brown to yellowish-brown with apicodorsal ⅓ dark brown, but most specimens with colour as holotype. Paratypes with body metallic blue or blue-green.

MALE (Fig. 22). Body length 1.3-1.5 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, eye height/malar space 1.3, mouth width/malar space 1.1, widths head/mesosoma 1.1. Antenna. F1-F4 without basal whorls of setae, scape length/eye height 1.0, scape length/width 2.2, 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 1.9, 2.1, 2.1, 2.1, clava length/width 5.0, lengths pedicel/F1 0.8, lengths F1/F2 0.9, F1/F3 0.9, F1/F4 0.9, lengths F1, F2, F3, F4/clava 0.4, 0.4, 0.4, 0.4.

Colour. As in female, but scape completely dark brown. Body metallic blue-green or purple.

Diagnosis

Mid and hind tibiae yellowish-brown; mesoscutellum with distance between submedian grooves short, distance between SMG/distance between SMG and SLG 1.2; female with malar space 0.9 × height of eye, antenna with F2 2.0 ×, F3 1.8 × and clava 3.8 × as long as wide; male antenna with scape 2.2 × and clava 5.0 × as long as wide and scape length 1.0 × height of eye.

Distribution

Russia and Sweden.

Notes

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

Host

Unknown.

Additional paratype (not barcoded)

1♀ "SWEDEN, Skåne, Dalby, Ö. Mölla, 21-27.viii.1998, yellow pan trap, R. Danielsson (MZLU)