Tetrastichus lazius, 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 lazius sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29813-G01; catalogNumber: BC-ZSM-HYM-29813-G01 ; recordNumber: BC-ZSM-HYM-29813-G01; recordedBy: Munro et al; individualID: BC-ZSM-HYM-29813-G01; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuslazius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in UCRC; Location: country: Italy; decimalLatitude: 41.6552; decimalLongitude: 12.9896; Record Level: type: PhysicalObject; language: en; institutionCode: UCRC; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 48). Body length 1.9 mm. Head. Width/length in dorsal view 2.4, width/length in frontal view 1.3, POL/OOL 1.4, widths head/mesosoma 1.2, mouth width/malar space 1.2, malar space/eye height 0.8. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.3, length/width F1, F2, F3 1.4, 1.7, 1.4, clava length/width 4.2, lengths pedicel/F1 1.0, lengths F1/F2 0.9, F1/F3 1.0, lengths F1, F2, F3/clava 0.3, 0.4, 0.3, widths F1/pedicel (dorsal view) 1.3, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.5, mesoscutal mid-lobe length/width 1.1 (width measured in anterior part), mid-lobe with median groove in posterior 4/5, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.6, mesoscutellum length/width 1.0, length/width of enclosed space between submedian grooves 2.4, distance between SMG/distance between SMG and SLG 1.0, lengths dorsellum/propodeum 0.6, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 10.4, lengths costal cell/marginal vein 0.9, lengths marginal/stigmal veins 2.8. Gaster. Ovate, length/width nm, lengths gaster/head+mesosoma nm, Gt7 length/width 0.4, length of longest cercal seta/next longest seta 1.5, longest cercal seta curved, ovipositor sheaths not reaching apex of Gt7.

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

MALE. Unknown.

Diagnosis

Mesosoma distinctly blue metallic. See key for separation from similar species.

Distribution

Italy.

Ecology

Host

Unknown.

Notes

Holotype deposited in UCRC.