Tetrastichus elanus, 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 elanus sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29814-C07; catalogNumber: BC-ZSM-HYM-29814-C07 ; recordNumber: BC-ZSM-HYM-29814-C07; recordedBy: C. Hansson; individualID: BC-ZSM-HYM-29814-C07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichuselanus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 55.7078; decimalLongitude: 13.475; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 44). Body length 1.5 mm. Head. Width/length (dorsal view) 2.2, width/length (frontal view) 1.2, POL/OOL 1.6, widths head/mesosoma 1.1, mouth width/malar space 1.2, malar space/eye height 0.5. Antenna. Scape length/eye height 0.9, pedicel+flagellum length/mesosoma width 1.7, length/width F1, F2, F3 1.6, 1.8, 1.7, clava length/width 3.7, lengths pedicel/F1 0.6, lengths F1/F2 0.9, F1/F3 0.9, lengths F1, F2, F3/clava 0.4, 0.5, 0.5, widths F1/pedicel (dorsal view) 1.7, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.4, mesoscutal mid-lobe length/width (width measured in anterior part) 0.9, mid-lobe with a median groove in posterior ⅔, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 0.7, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 1.9, distance between SMG/distance between SMG and SLG 1.6, lengths dorsellum/propodeum (measured medially) 0.9, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 14.7, lengths costal cell/marginal vein 0.9, lengths marginal/stigmal veins 2.5. Gaster. Elongate, length/width 2.2, lengths gaster/mesosoma 1.6, Gt7 length/width 0.7, length of longest cercal seta/next longest seta 1.6, longest cercal seta slightly kinked in apical ¼, ovipositor sheaths projecting slightly beyond apex of Gt7.

Colour. Head, mesoscutum and propodeum metallic bluish-green, mesoscutellum and gaster golden-green, entire antenna dark brown, tegulae black, wings hyaline with veins yellowish-brown, coxae and femora black with metallic tinges, trochanters dark brown, tibiae yellowish-brown, fore tarsus dark brown, mid and hind tarsi yellowish-white with T4 brown.

MALE. Unknown.

Diagnosis

Antenna with F1 1.6 × as long and 1.7 × as wide as pedicel; mesoscutellum with distance between submedian grooves 1.6 × the distance between submedian and sublateral grooves and with enclosed area between submedian grooves 1.9 × as long as wide; female gaster elongate-acuminate, 2.2 × as long as wide, ovipositor sheaths reach beyond apex of Gt7.

Distribution

Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU.