Tetrastichus illydris, 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 illydris sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20699-G06; catalogNumber: BC-ZSM-HYM-20699-G06 ; recordNumber: BC-ZSM-HYM-20699-G06; recordedBy: D. Doczkal & A. Segerer; individualID: BC-ZSM-HYM-20699-G06; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusillydris; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in ZSM; Location: country: Germany; decimalLatitude: 49.03; decimalLongitude: 12.157; Record Level: type: PhysicalObject; language: en; institutionCode: ZSM; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-22523-H07; catalogNumber: BC-ZSM-HYM-22523-H07 ; recordNumber: BC-ZSM-HYM-22523-H07; recordedBy: Popovici & Fusu; individualID: BC-ZSM-HYM-22523-H07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusillydris; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.05; decimalLongitude: 27.384; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 30). Body length 2.1 mm (paratype 1.9 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 0.8. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 2.1, 2.0, 1.5, clava length/width 3.3, lengths pedicel/F1 0.7, lengths F1/F2 0.9, F1/F3 1.1, lengths F1, F2, F3/clava 0.5, 0.6, 0.5, width F1/pedicel (dorsal view) 1.0, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width 0.9 (width measured in anterior part), mid-lobe with a weak median groove that is absent in anterior ¼, with six adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.2, lengths dorsellum/propodeum 0.8, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.6, distance between SMG/distance between SMG and SLG 1.3, propodeum with weak reticulation, propodeal callus with five setae. Fore wing. Costal cell length/width 10.0, lengths costal cell/marginal vein 1.2, lengths marginal/stigmal veins 2.9. Gaster. Semicircular, length/width 1.6, lengths gaster/mesosoma 1.2, Gt7 length/width 0.3, lengths longest cercal seta/next longest seta 1.5, ovipositor sheaths not reaching apex of Gt7.

Colour. Mesoscutum metallic blue-green and mesoscutellum golden-green, scape yellowish-brown, pedicel and flagellum dark brown, tegulae black with metallic tinges, wing venation yellowish-white, coxae concolorous with body, trochanters dark brown, fore and mid femora dark brown with apex yellowish-brown, hind femur black with metallic tinge and apex yellowish-brown, tibiae yellowish-brown, tarsi with T1-3 yellowish-brown and T4 brown.

MALE. Unknown.

Diagnosis

Mesoscutellum 0.8 × as long as wide, length/width of enclosed space between submedian grooves 2.6; mesoscutum bluish and mesoscutellum greenish; antennal clava 3.3 × as long as wide.

Distribution

Germany and Romania.

Notes

Holotype deposited in ZSM, paratype in MZLU.

Host

Unknown.