Eridolius alacer (Gravenhorst, 1829)
(an ichneumon wasp)

Taxonomic hierarchy:
SpeciesEridolius alacer (an ichneumon wasp)
GenusEridolius (a genus of ichneumon wasps)
TribeTryphonini (a tribe of tryphonine ichneumon wasps)
SubfamilyTRYPHONINAE (tryphonine 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 Eridolius alacer (an ichneumon wasp) :
1: Eridolius alacer (an ichneumon wasp)
13 Nov 2023 OSGR: SU01 50° 60’ N, 1° 60’ W Vice County: South Wilts (VC 8) England
Male swept from NW side of oak
Image 1: Male - dorsal view - close-up - enlarged - silver backgroundImage 2: Male - dorsal view - enlarged - silver backgroundImage 3: Male - head and antennae - dorsal view - enlarged - silver backgroundImage 4: Male - head and antennal bases - postero-dorsal view - magnified - silver backgroundImage 5: Male - head and mesosoma - postero-dorsal view - magnified - silver backgroundImage 6: Male - propodeal and petiole bases - dorsal view - magnified - silver backgroundImage 7: Male - scutellum and propodeum - dorsal view - magnified - silver backgroundImage 8: Male - ventral view - close-up - enlarged - silver background
2: Eridolius alacer (an ichneumon wasp)
26 Oct 2022 OSGR: SU02 50° 60’ N, 1° 60’ W Vice County: South Wilts (VC 8) England
Male, swept off grass at side of path
Image 1: Male - dorsal view - close-up - silver backgroundImage 2: Male - dorsal view - silver backgroundImage 3: Male - lateral view - close-up - silver backgroundImage 4: Male - lateral view - silver backgroundImage 5: Male - head and antennal bases - anterior view - magnified - silver backgroundImage 6: Male - head and antennal bases - dorsal view - magnified - silver backgroundImage 7: Male - head and antennal bases - lateral view - magnified - silver backgroundImage 8: Male - head and mesosoma - antero-dorsal view - magnified - silver backgroundImage 9: Male - head and mesosoma - postero-dorsal view - magnified - silver backgroundImage 10: Male - head and mesososma - lateral view - magnified - silver backgroundImage 11: Male - head and thorax - ventral view - magnified - silver backgroundImage 12: Male - head - anterior view - magnified - silver backgroundImage 13: Male - head - postero-dorsal view - magnified - silver backgroundImage 14: Male - head - ventral view - magnified - silver backgroundImage 15: Male - mesosoma - dorsal view - magnified - silver backgroundImage 16: Male - mesososma - lateral view - magnified - silver backgroundImage 17: Male - mesosternum and mix coxae - ventral view - magnified - silver backgroundImage 18: Male - scutellum and propodeum - dorsal view - magnified - silver backgroundImage 19: Male - ventral view - close-up - enlarged - silver backgroundImage 20: Female - hind outer claw - outer face - microscope low magnification - silver backgroundImage 21: Female - hind tibia tip - inner face - microscope low magnification - silver backgroundImage 22: Female - hind tibia tip - outer face - microscope low magnification - silver backgroundImage 23: Female - hypostomal and genal carina - microscope low magnification - silver backgroundImage 24: Male - petiole - dorsal view - microscope low magnification - silver backgroundImage 25: Male - petiole - lateral view - microscope low magnification - silver backgroundImage 26: Male - propodeum and petiole - lateral view - microscope low magnification - silver backgroundImage 27: Male - propodeum - dorsal view - microscope low magnification - silver backgroundImage 28: Male - propodeum - lateral view - microscope low magnification - silver backgroundImage 29: Male - subtegular ridge - lateral view - microscope low magnification - silver background

Eridolius alacer (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 Eridolius alacer (an ichneumon wasp)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Eridolius alacer (an ichneumon wasp)
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