Tetrastichus clisius, 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 clisius sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27768-G07; catalogNumber: BC-ZSM-HYM-27768-G07 ; recordNumber: BC-ZSM-HYM-27768-G07; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27768-G07; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusclisius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in NHM; Location: country: Romania; decimalLatitude: 47.244; decimalLongitude: 27.483; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen Type status: Paratype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-C03; catalogNumber: BC-ZSM-HYM-27760-C03 ; recordNumber: BC-ZSM-HYM-27760-C03; recordedBy: J.S. Noyes; individualID: BC-ZSM-HYM-27770-C03; individualCount: 1; sex: male; lifeStage: adult; Taxon: scientificName: Tetrastichusclisius; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; Location: country: Romania; decimalLatitude: 47.2442; decimalLongitude: 27.4828; Record Level: type: PhysicalObject; language: en; institutionCode: NHM; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 41). Body length 1.4 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, POL/OOL 1.6, widths head/mesosoma 1.1, mouth width/malar space 1.1, malar space/eye height 0.8. Antenna. Scape length/eye height 1.1, pedicel+flagellum length/mesosoma width 1.4, length/width F1, F2, F3 1.4, 1.6, 1.7, clava length/width 4.2, lengths pedicel/F1 0.9, lengths F1/F2 0.9, F1/F3 0.9, lengths F1, F2, F3/clava 0.3, 0.4, 0.4, widths F1/pedicel (dorsal view) 1.3, 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 median groove in posterior ½, with two adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.5, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.4, distance between SMG/distance between SMG and SLG 1.4, lengths dorsellum/propodeum (measured medially) 0.8, propodeum with strong reticulation, propodeal callus with two setae. Fore wing. Costal cell length/width 13.5, lengths costal cell/marginal vein 1.1, lengths marginal/stigmal veins 2.7. Gaster. Ovate, length/width 1.4, lengths gaster/head+mesosoma 0.7, length of longest cercal seta/next longest seta 1.8, longest cercal seta almost straight, ovipositor sheaths not reaching apex of Gt7.

Colour. Body black without metallic tinges, entire antenna dark brown, tegulae dark brown, wings hyaline with venation brown to fuscous, coxae and femora concolorous with body, trochanters dark brown, fore tibia yellowish-brown, mid and hind tibiae dark brown, tarsi brownish.

MALE. Body length 1.6 mm. Head. Width/length in dorsal view 2.3, width/length in frontal view 1.3, mouth width/malar space 1.1, height of eye/malar space 1.1, widths head/mesosoma 1.1. Antenna. F1-F4 with basal whorls of setae, reaching beyond apex of corresponding flagellomere, scape length/eye height 1.1, scape length/width 2.1, ventral plaque placed in central part of scape, lengths ventral plaque/scape 0.8, pedicel+flagellum length/mesosoma width 1.5, length/width F1, F2, F3, F4 1.1, 1.4, 1.5, 1.7, clava length/width 4.6, lengths pedicel/F1 1.1, lengths F1/F2 0.8, F1/F3 0.7, F1/F4 0.7, lengths F1, F2, F3, F4/clava 0.3, 0.4, 0.4, 0.4.

Colour similar to female, but body with weak metallic blue tinges.

Diagnosis

Female with antennal clava long, 4.2 × as long as wide; gaster ovate, 1.4 × as long as wide; male with scape 1.1 × as long as eye and 2.1 × as long as wide. See key for separation from similar species.

Distribution

Romania.

Ecology

Host

Unknown.

Notes

Holotype deposited in NHM, paratype in NHM.