Tetrastichus iasi, 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 iasi sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-E02; catalogNumber: BC-ZSM-HYM-27768-E02 ; recordNumber: BC-ZSM-HYM-27768-E02; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-E02; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusiasi; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in NHM; Location: country: Romania; decimalLatitude: 47.188; decimalLongitude: 27.549; 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-27768-B02; catalogNumber: BC-ZSM-HYM-27768-B02 ; recordNumber: BC-ZSM-HYM-27768-B02; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-B02; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusiasi; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.011; decimalLongitude: 27.603; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 29). Body length 1.9 mm. Head. Width/length in dorsal view 2.0, 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 0.9. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 2.0, 1.5, 1.3, clava length/width 3.3, lengths of pedicel/F1 0.8, lengths F1/F2 1.1, F1/F3 1.2, lengths F1, F2, F3/clava 0.5, 0.5, 0.4, widths F1/pedicel (dorsal view) 1.0, lengths antennal spicule/C3 0.2. Mesosoma. Length/width 1.5, mesoscutal mid-lobe length/width 1.0 (width measured in anterior part), mid-lobe with a weak median groove that is missing in anterior ¼, with seven adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.4, dorsellum/propodeum length 0.5, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.5, distance between SMG/distance between SMG and SLG 1.5, propodeum with strong reticulation, propodeal callus with five setae. Fore wing. Costal cell length/width 10.7, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 3.1. Gaster. Short ovate, length/width 1.5, lengths gaster/mesosoma 1.1, Gt7 length/width 0.4, lengths longest cercal seta/next longest seta 1.8, longest cercal seta straight, ovipositor sheaths not reaching apex of Gt7.

Colour. Body metallic bluish-green, gaster with purple tinges, scape yellowish-brown, flagellum and pedicel dark brown, tegulae black with metallic tinge, wings hyaline and venation yellowish-white, coxae and femora concolorous with body, trochanters black, tibiae yellowish-brown, fore tarsus with T1-3 brown and T4 dark brown, mid and hind tarsi with T1-3 yellowish-brown and T4 dark brown.

MALE (Fig. 29). Body length 1.5 mm. Head. Width/length in dorsal view 2.2, width/length in frontal view 1.2, mouth width/malar space 1.0, widths head/mesosoma 1.2. Antenna. F1-F4 without basal whorls of setae, scape length/eye height 1.0, scape length/width 3.2, lengths ventral plaque/scape 0.6, plaque placed in central part of scape, pedicel+flagellum length/mesosoma width 1.6, length/width F1, F2, F3, F4 1.6, 1.9, 1.9, 1.8, clava length/width 3.3, lengths pedicel/F1 0.9, lengths F1/F2 0.9, F1/F3 0.9, F1/F4 0.9, lengths F1, F2, F3, F4/clava 0.4, 0.5, 0.5, 0.5.

Colour. Scape dark brown. Otherwise similar to female.

Diagnosis

Mesoscutellum with submedian grooves diverging towards posterior part; female antenna with clava 3.3 × as long as wide.

Distribution

Romania.

Notes

Holotype and paratype deposited in NHM.

Host

Unknown.