Ichneumon extensorius Linnaeus, 1758
(an ichneumon wasp)

Taxonomic hierarchy:
SpeciesIchneumon extensorius (an ichneumon wasp)
GenusIchneumon (a genus of ichneumon wasps)
TribeIchneumonini (a tribe of ichneumonine ichneumons)
SubfamilyICHNEUMONINAE (ichneumonine ichneumon wasps)
FamilyICHNEUMONIDAE (ichneumon wasps)
SuperfamilyICHNEUMONOIDEA (braconid and ichneumon parasitic wasps)
SuborderAPOCRITA (bees, wasps, ants and parasitoids)
OrderHYMENOPTERA (ants, bees and wasps, sawflies and parasitoid wasps)
Division Endopterygota (bees, beetles, flies, moths and other insects with wings developing internally)
InfraclassNeoptera (bees, beetles, flies, grasshoppers, moths and other advanced insects)
SubclassPTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
ClassINSECTA (true insects)
SubphylumHEXAPODA (insects and other 6-legged organisms)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Ichneumon extensorius (an ichneumon wasp) :
1: Ichneumon extensorius (an ichneumon wasp)
5 Aug 2022 OSGR: NN80 56° 10’ N, 3° 50’ W Vice County: West Perthshire (VC 87) Scotland
Male, umbels beside pond
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - ventral view - close-up - silver backgroundImage 4: Male - ventral view - silver backgroundImage 5: Male - dorsal view - wings together - enlarged - silver background
2: Ichneumon extensorius (an ichneumon wasp)
15 Sep 2021 OSGR: SU21 50° 60’ N, 1° 40’ W Vice County: South Wilts (VC 8) England
Male with yellow face
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - head and antennal bases - anterior view - magnified - silver backgroundImage 4: Male - head - anterior view - magnified - silver backgroundImage 5: Male - lateral view - enlarged - silver background
3: Ichneumon extensorius (an ichneumon wasp)
9 Aug 2021 OSGR: NN70 56° 10’ N, 3° 60’ W Vice County: West Perthshire (VC 87) Scotland
Male, with marking on T4
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - metasoma - dorsal view - highly enlarged - silver backgroundImage 4: Male - propodeum, hind legs (part) and metasoma - dorsal view - highly enlarged - silver background
4: Ichneumon extensorius (an ichneumon wasp)
8 Oct 2020 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
Male, visiting late umbellifer
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver background
5: Ichneumon extensorius (an ichneumon wasp)
13 Sep 2020 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
Male, in flight
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - ventral view - silver backgroundImage 4: Male - head and antennal bases - anterior view - magnified - silver backgroundImage 5: Male - head - anterior view - magnified - silver background
6: Ichneumon extensorius (an ichneumon wasp)
11 Sep 2020 OSGR: SU01 50° 60’ N, 1° 60’ W Vice County: South Wilts (VC 8) England
Male, in flight
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - antennae - ventral view - highly enlarged - silver backgroundImage 4: Male - antenna - outer dorso-lateral view - magnified - silver backgroundImage 5: Male - head and antennal bases - anterior view - magnified - silver backgroundImage 6: Male - head and mesosoma - antero-dorsal view - magnified - silver backgroundImage 7: Male - head and mesosoma - postero-dorsal view - magnified - silver backgroundImage 8: Male - head and thorax - lateral view - magnified - silver backgroundImage 9: Male - head and thorax - ventral view - magnified - silver backgroundImage 10: Male - head - anterior view - magnified - silver backgroundImage 11: Male - head - dorsal view - magnified - silver backgroundImage 12: Male - head - lateral view - magnified - silver backgroundImage 13: Male - head - lateral view - magnified - silver background (2)Image 14: Male - head - postero-dorsal view - magnified - silver backgroundImage 15: Male - head - ventral view - magnified - silver backgroundImage 16: Male - lateral view - enlarged - silver backgroundImage 17: Male - mesosternum - ventral view - magnified - silver backgroundImage 18: Male - petiole and T2 - dorsal view - magnified - silver backgroundImage 19: Male - propodeum and petiole - lateral view - magnified - silver backgroundImage 20: Male - scutellum and propodeum - postero-dorsal view - magnified - silver backgroundImage 21: Male - ventral view - close-up - enlarged - silver background
7: Ichneumon extensorius (an ichneumon wasp)
19 Nov 2019 OSGR: SU67 51° 30’ N, 1° 0’ W Vice County: Berks (VC 22) England
Female, in Tufted Hair-grass tussock
Image 1: Female - dorsal view - enlarged - silver backgroundImage 2: Female - fore-parts - antero-dorsal view - highly enlarged - silver backgroundImage 3: Female - head and antennal bases - anterior view - magnified - silver backgroundImage 4: Female - head and antennal bases - antero-dorsal view - magnified - silver backgroundImage 5: Female - head and mesosoma - postero-dorsal view - magnified - silver backgroundImage 6: Female - head and pronotum - antero-dorsal view - magnified - silver backgroundImage 7: Female - head and thorax - dorsal view - magnified - silver backgroundImage 8: Female - head and thorax - lateral view - magnified - silver backgroundImage 9: Female - head and thorax - ventral view - magnified - silver backgroundImage 10: Female - head, antennae and fore-legs - dorsal view - highly enlarged - silver backgroundImage 11: Female - head - anterior view - magnified - silver backgroundImage 12: Female - head - dorsal view - magnified - silver backgroundImage 13: Female - head - lateral view - magnified - silver backgroundImage 14: Female - head - postero-dorsal view - magnified - silver backgroundImage 15: Female - head - ventral view - magnified - silver backgroundImage 16: Female - hind-parts - postero-dorsal view - highly enlarged - silver backgroundImage 17: Female - lateral view - enlarged - silver backgroundImage 18: Female - mesosternum - ventral view - magnified - silver backgroundImage 19: Female - metasoma and hind legs - postero-dorsal view - highly enlarged - silver backgroundImage 20: Female - metasoma - dorsal view - highly enlarged - silver backgroundImage 21: Female - propodeum and petiole - dorsal view - magnified - silver backgroundImage 22: Female - propodeum, petiole and T2 - lateral view - magnified - silver backgroundImage 23: Female - scutellum and propodeum - dorsal view - magnified - silver backgroundImage 24: Female - ventral view - enlarged - silver backgroundImage 25: Female - hind coxae - ventral view - microscope low magnification - silver backgroundImage 26: Female - hind coxae - ventral view - microscope low magnification - silver background (2)

Ichneumon extensorius (an ichneumon wasp) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Ichneumon extensorius (an ichneumon wasp)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Ichneumon extensorius (an ichneumon wasp)
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