A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy
Author
Hansson, Christer
The Natural History Museum, London, United Kingdom & Biological Museum (Entomology), Lund University, Lund, Sweden
christerdennis@gmail.com
Author
Schmidt, Stefan
https://orcid.org/0000-0001-5751-8706
SNSB-Zoologische Staatssammlung Muenchen, Munich, Germany
schmidt.s@snsb.de
text
Biodiversity Data Journal
2020
2020-12-16
8
59177
59177
http://dx.doi.org/10.3897/BDJ.8.e59177
journal article
http://dx.doi.org/10.3897/BDJ.8.e59177
1314-2828-8-e59177
AD70B3AB67634D2885F290988225C5C8
2BC7CCC36D765F1C87ACBE8025DFD848
Tetrastichus evexus
sp. n.
Materials
Type status:
Holotype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-A01; catalogNumber:
BC-ZSM-HYM-25460-A01
; recordNumber: BC-ZSM-HYM-25460-A01; recordedBy:
C. Hansson
; individualID: BC-ZSM-HYM-25460-A01; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae; taxonRemarks: Holotype deposited in MZLU;
Location:
country:
Sweden
; decimalLatitude:
55.6847
; decimalLongitude:
13.6767
;
Record Level:
type: PhysicalObject; language: en; institutionCode:
MZLU
; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-13565-F10; catalogNumber:
BC-ZSM-HYM-13565-F10
; recordNumber: BC-ZSM-HYM-13565-F10; recordedBy:
Bo. W. Svensson
; individualID: BC-ZSM-HYM-13565-F10; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.605
; decimalLongitude:
13.004
;
Record Level:
type: PhysicalObject; language: en; institutionCode:
MZLU
; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-13565-F09; catalogNumber:
BC-ZSM-HYM-13565-F09
; recordNumber: BC-ZSM-HYM-13565-F09; recordedBy:
B. W. Svensson & Co.
; individualID: BC-ZSM-HYM-13565-F09; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.605
; decimalLongitude:
13.004
;
Record Level:
type: PhysicalObject; language: en; institutionCode:
MZLU
; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-A04; catalogNumber:
BC-ZSM-HYM-25460-A05
; recordNumber: BC-ZSM-HYM-25460-A05; recordedBy:
C. Hansson
; individualID: BC-ZSM-HYM-25460-A05; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.6847
; decimalLongitude:
13.6767
;
Record Level:
type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-A04; catalogNumber:
BC-ZSM-HYM-25460-A04
; recordNumber: BC-ZSM-HYM-25460-A04; recordedBy:
C. Hansson
; individualID: BC-ZSM-HYM-25460-A04; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.6847
; decimalLongitude:
13.6767
;
Record Level:
type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-A03; catalogNumber:
BC-ZSM-HYM-25460-A03
; recordNumber: BC-ZSM-HYM-25460-A03; recordedBy:
C. Hansson
; individualID: BC-ZSM-HYM-25460-A03; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.6847
; decimalLongitude:
13.6767
;
Record Level:
type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-25460-A02; catalogNumber:
BC-ZSM-HYM-25460-A02
; recordNumber: BC-ZSM-HYM-25460-A02; recordedBy:
C. Hansson
; individualID: BC-ZSM-HYM-25460-A02; individualCount:
1
; sex:
female
; lifeStage:
adult
;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichinae;
Location:
country:
Sweden
; decimalLatitude:
55.6847
; decimalLongitude:
13.6767
;
Record Level:
type: PhysicalObject; language: en; basisOfRecord: PreservedSpecimen
Type status:
Paratype
.
Occurrence:
occurrenceDetails: http://www.boldsystems.org/index.php/API_Public/specimen?ids=BC-ZSM-HYM-27770-B11; catalogNumber:
BC-ZSM-HYM-27760-B11
; recordNumber: BC-ZSM-HYM-27760-B11; recordedBy:
J.S. Noyes
; individualID: BC-ZSM-HYM-27770-B11; individualCount:
1
; sex:
M
; lifeStage:
a
; reproductiveCondition: S; associatedMedia: http://www.boldsystems.org/pics/BCHYM/BC-ZSM-HYM-27760-B11+1449268734.jpg;
Taxon:
scientificName: Tetrastichusevexus; phylum: Arthropoda; class: Insecta; order: Hymenoptera; family: Eulophidae; genus: Tetrastichus;
Location:
country:
Romania
; locality:
Breazu MT rzeski
; decimalLatitude:
47.2442
; decimalLongitude:
27.4828
;
Identification:
identifiedBy:
Christer Hansson
Description
FEMALE holotype (Fig.
25
). Body length 2.3 mm (paratypes 1.9-2.0 mm).
Head
. Width/length in dorsal view 2.1, width/length in frontal view 1.3, POL/OOL 2.1, widths head/mesosoma 1.1, mouth width/malar space 1.1, malar space/eye height 1.0.
Antenna
. Scape length/eye height 1.1, pedicel+flagellum length/mesosoma width 1.2, length/width F1, F2, F3 1.8, 2.0, 1.7, clava length/width 3.9, lengths pedicel/F1 0.8, lengths F1/F2 0.9, F1/F3 1.0, lengths F1, F2, F3/clava 0.4, 0.5, 0.4, widths F1/pedicel (dorsal view) 1.1, lengths antennal spicule/C3 0.3.
Mesosoma
. Length/width 1.5, mesoscutal mid-lobe length/width 0.9 (width measured in anterior part), mid-lobe with median groove in posterior
3/4
, with four adnotaular setae on each side, lengths mesoscutum/mesoscutellum (measured medially) 1.2, mesoscutellum length/width 0.9, length/width of enclosed space between submedian grooves 2.7, distance between submedian/distance between submedian and sublateral grooves 1.4, lengths dorsellum/propodeum (measured medially) 0.5, propodeum with strong reticulation, propodeal callus with nine setae.
Fore wing
. Costal cell length/width 8.0, lengths costal cell/marginal vein 1.0, lengths marginal/stigmal veins 2.6.
Gaster
. Subcircular to ovate, length/width 1.6, lengths gaster/mesosoma 1.1, Gt7 length/width 0.4, length of longest cercal seta/next longest seta 1.2, longest cercal setae curved, almost straight, ovipositor sheaths not reaching apex of Gt7.
Colour. Body metallic blue-green, scape yellowish-brown with dorsal edge darker, pedicel and flagellum dark brown, tegulae black with metallic tinge, wings hyaline with veins yellowish-white, coxae concolorous with body, trochanters dark brown, fore and mid femora dark brown with metallic tinges and with apical ⅓ yellowish-brown, hind femur concolorous with body, tibiae yellowish-brown, fore tarsus dark brown, mid and hind tarsi yellowish-brown with T4 dark brown.
MALE. Unknown.
Diagnosis
Tibiae yellowish-brown; female with malar space 1.0
x
eye height; scape 3.6
x
and antennal clava 3.9
x
as long as wide; mesoscutellum with ratio distance between submedian grooves to distance between submedian and sublateral grooves 1.4. Similar to
T. helviscapus
, but with longer antennal clava in female, 3.9
x
as long as wide.
Distribution
Sweden.
Notes
Holotype deposited in MZLU, paratypes in MZLU and NHM.
Host
Unknown.