Tetrastichus elodius, 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 elodius sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-13565-F04; catalogNumber: BC-ZSM-HYM-13565-F04 ; recordNumber: BC-ZSM-HYM-13565-F04; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-13565-F04; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuselodius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Hungary; decimalLatitude: 47; decimalLongitude: 17.45; 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 AE339; catalogNumber: BC ZSM HYM AE339 ; recordNumber: BC ZSM HYM AE339; recordedBy: G. Merkel-Wallner; individualID: BC ZSM HYM AE339; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuselodius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Germany; decimalLatitude: 48.518; decimalLongitude: 13.726; Record Level: type: PhysicalObject; language: en; institutionCode: ZSM; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 62). Body length 2.0 mm (paratype 2.1 mm). Head. Width/length in dorsal view 2.1, width/length in frontal view 1.3, POL/OOL 2.2, widths head/mesosoma 1.2, mouth width/malar space 1.4, malar space/eye height 0.7. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.4, length/width F1, F2, F3 2.2, 2.2, 2.0, clava length/width 3.8, lengths pedicel/F1 0.8, 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) 1.1, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.5, mesoscutal mid-lobe length/width 1.0 (width measured in anterior part), mid-lobe with a median groove in posterior ½, with five adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.2, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.4, distance between SMG/distance between SMG and SLG 1.5, lengths dorsellum/propodeum (measured medially) 0.5, propodeal callus with five setae. Fore wing. Costal cell length/width 10.0, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 2.8. Gaster. Ovate, length/width 1.7, lengths gaster/mesosoma 1.2, Gt7 length/width 0.6, length of longest cercal seta/next longest seta 2.2, longest cercal seta sinuate, ovipositor sheaths reach apex of Gt7, but not beyond.

Colour. Body metallic bluish, entire antenna dark brown, tegulae black, wings hyaline with venation yellowish-white, coxae and femora concolorous with body, trochanters black, tibiae yellowish-brown, fore tarsus dark brown, mid and hind tarsi yellowish-brown with T4 brown.

MALE. Unknown.

Diagnosis

Very similar to T. julis , female differs morphologically in having a longer distance between lateral ocelli and eyes and in having a shorter marginal vein compared to length of stigmal vein (see key).

Distribution

Germany, Hungary.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU, paratype ZSM.