Tetrastichus fenrisi, 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 fenrisi sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27493-G06; catalogNumber: BC-ZSM-HYM-27493-G06 ; recordNumber: BC-ZSM-HYM-27493-G06; recordedBy: SMTP; individualID: BC-ZSM-HYM-27493-G06; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusfenrisi; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in SMTP; Location: country: Sweden; decimalLatitude: 58.553; decimalLongitude: 17.313; Record Level: type: PhysicalObject; language: en; institutionCode: SMTP; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 46). Body length 1.7 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, POL/OOL 1.8, widths head/mesosoma 1.1, mouth width/malar space 0.9, malar space/eye height 1.1. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 1.3, 1.4, 1.4, clava length/width 3.7, lengths pedicel/F1 1.0, lengths F1/F2 0.9, F1/F3 0.9, lengths F1, F2, F3/clava 0.3, 0.4, 0.4, widths F1/pedicel (dorsal view) 1.3, lengths antennal spicule/C3 0.2. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width 1.1, mid-lobe with a weak median groove in posterior ½, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.6, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.8, distance between submedian groove to distance between submedian and sublateral grooves 1.0, lengths dorsellum/propodeum 0.6, 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 2.8. Gaster. Ovate, length/width 1.6, lengths gaster/mesosoma 1.2, Gt7 length/width 0.3, length of longest cercal seta/next longest seta 1.3, longest cercal seta curved, ovipositor sheaths not reaching Gt7.

Colour. Head and mesoscutum black with weak metallic tinges, mesoscutellum dark brown, dorsellum pale brown, propodeum black, gaster dark brown with metallic tinges, antenna dark brown, tegulae dark brown, wings hyaline with venation yellowish-brown, coxae, trochanters and femora dark brown, fore tibia infuscate, mid and hind tibiae dark brown, fore tarsus dark brown, mid and hind tarsi dark brown with T1 yellowish-white.

MALE. Unknown.

Diagnosis

Mesoscutellum with distance between submedian groove 1.0 × the distance between submedian and sublateral grooves and median part with weaker reticulation and more shiny than lateral parts; mesoscutum black with weak metallic tinges, mesoscutellum dark brown, dorsellum pale brown; fore tibia infuscate, mid and hind tibiae dark brown, fore tarsus dark brown, mid and hind tarsi dark brown with T1 yellowish-white.

Distribution

Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in SMTP.