Tetrastichus antonjanssoni, 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 antonjanssoni sp. n.

Materials

Type status: Holotype. Occurrence: occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-29813-C08; catalogNumber: BC-ZSM-HYM-29813-C08 ; recordNumber: BC-ZSM-HYM-29813-C08; recordedBy: Anton Jansson; individualID: BC-ZSM-HYM-29813-C08; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Tetrastichusantonjanssoni; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU; Location: country: Sweden; decimalLatitude: 59.2753; decimalLongitude: 15.2134; Record Level: type: PhysicalObject; language: en; institutionCode: MZLU; basisOfRecord: PreservedSpecimen

Description

FEMALE holotype (Fig. 4). Body length 1.5 mm. Head. Width/length (dorsal view) 2.3, width/length (frontal view) 1.2, POL/OOL 2.2, widths head/mesosoma 1.1, mouth width/malar space 1.0, malar space/eye height 0.8. Antenna. Scape length/eye height 1.0, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 1.6, 1.4, 1.1, clava length/width 2.2, lengths pedicel/F1 0.8, lengths F1/F2 1.1, F1/F3 1.2, lengths F1, F2, F3/clava 0.5, 0.5, 0.5, widths F1/pedicel (dorsal view) 1.4, lengths antennal spicule/C3 0.3. Mesosoma. Length/width 1.3, mesoscutal midlobe length/width (width measured in anterior part) 0.8, mid-lobe with median groove in posterior ½, with three adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.2, mesoscutellum length/width 0.8, length/width of enclosed space between submedian grooves 2.1, distance between SMG/distance between SMG and SLG 1.7, lengths dorsellum/propodeum (measured medially) 0.5, propodeum with strong reticulation, propodeal callus with four setae. Fore wing. Costal cell length/width 12.5, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 3.1. Gaster. Subcircular to ovate, length/width 1.7, lengths gaster/mesosoma 1.1, Gt7 length/width 0.4, length longest seta of each cercus/next longest seta 1.6, longest cercal seta nearly straight, ovipositor sheaths projecting slightly beyond apex of Gt7.

Colour. Body with weak metallic greenish-blue tinges, scape yellowish-brown with dorsal edge brown, pedicel and flagellum dark brown, tegulae dark brown, wings hyaline with veins pale yellowish-brown, coxae and femora concolorous with body, trochanters dark brown, tibiae and tarsi yellowish-brown.

MALE. Unknown.

Diagnosis

Antenna very short with F1 1.6 ×, F2 1.4 ×, F3 1.1 × and clava 2.2 × as long as wide; POL/OOL 2.2; distance between SMG 1.7 × distance SMG to SLG; ovipositor sheaths protruding slightly beyond apex of Gt7.

Etymology

Named after the collector of the holotype, the Swedish entomologist Anton Jansson, who collected insects mainly in the vicinities of the city Örebro ( Närke Province), where he also lived and worked as a journalist.

Distribution

Sweden.

Ecology

Host

Unknown.

Notes

Holotype deposited in MZLU.