Tetrastichus ladrus, 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 ladrus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-20721-F02; catalogNumber: BC-ZSM-HYM-20721-F02 ; recordNumber: BC-ZSM-HYM-20721-F02; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-20721-F02; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusladrus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.7; decimalLongitude: 13.45; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 47). Body length 1.6 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, POL/OOL 1.7, widths head/mesosoma 1.1, mouth width/malar space 1.2, malar space/eye height 0.7. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.3, length/width F1, F2, F3 1.4, 1.4, 1.3, clava length/width 3.7, lengths pedicel/F1 0.9, lengths F1/F2 0.9, F1/F3 1.0, lengths F1, F2, F3/clava 0.4, 0.4, 0.4, widths F1/pedicel (dorsal view) 1.3, 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 median groove in posterior ½, with two adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.4, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.3, distance between SMG/distance between SMG and SLG 1.4, lengths dorsellum/propodeum 0.7, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 13.0, lengths costal cell/marginal vein 0.9, lengths marginal/stigmal veins 3.1. Gaster. Ovate, length/width 1.4, lengths gaster/head+mesosoma 0.9, Gt7 length/width 0.4, length of longest cercal seta/next longest seta 1.3, longest cercal seta almost straight, ovipositor sheaths not reaching apex of Gt7.

Colour. Body with weak metallic greenish-blue tinges, entire antenna dark brown, tegulae dark brown, wings hyaline with venation brown to fuscous, coxae and femora concolorous with body, trochanters dark brown, tibiae brownish, fore tarsus brownish, mid and hind tarsi yellowish-brown with T4 brown.

MALE. Unknown.

Diagnosis

Female gaster ovate, 1.4 × as long as wide. See key for separation from similar species.

Distribution

Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU.