Megastylus pectoralis (Förster, 1871)
(an orthocentrine ichneumon)

Taxonomic hierarchy:
SpeciesMegastylus pectoralis (an orthocentrine ichneumon)
GenusMegastylus (a genus of orthocentrine ichneumons)
SubfamilyORTHOCENTRINAE (orthocentrine 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 Megastylus pectoralis (an orthocentrine ichneumon) :
1: Megastylus pectoralis (an orthocentrine ichneumon)
13 Nov 2023 OSGR: SU01 50° 60’ N, 1° 60’ W Vice County: South Wilts (VC 8) England
Male swept from S side of roadside oak
Image 1: Male - head and antenal bases - dorso-anterior view - microscope low magnification - silver backgroundImage 2: Male - head and antenal bases - ventro-anterior view - microscope low magnification - silver backgroundImage 3: Male - head and antennal bases - lateral view - microscope low magnification - silver backgroundImage 4: Male - head and antennal bases - postero-dorsal view - microscope low magnification - silver backgroundImage 5: Male - head and mesosoma - dorsal view - microscope low magnification - silver backgroundImage 6: Male - head and mouthparts - ventral view - microscope low magnification - silver backgroundImage 7: Male - head and thorax - lateral view - microscope low magnification - silver backgroundImage 8: Male - head and thorax - ventral view - microscope low magnification - silver backgroundImage 9: Male - head - dorso-anterior view - microscope low magnification - silver backgroundImage 10: Male - head - ventro-anterior view - microscope low magnification - silver backgroundImage 11: Male - mesosoma - dorsal view - microscope low magnification - silver backgroundImage 12: Male - mesosternum and anterior coxae - ventral view - microscope low magnification - silver backgroundImage 13: Male - petiole and T2 - lateral view - microscope low magnification - silver backgroundImage 14: Male - petiole - dorsal view - microscope low magnification - silver backgroundImage 15: Male - petiole - lateral view - microscope low magnification - silver backgroundImage 16: Male - propodeum etc - lateral view - microscope low magnification - silver backgroundImage 17: Male - propodeum - lateral view - microscope low magnification - silver backgroundImage 18: Male - scutellum and propodeum - dorsal view - microscope low magnification - silver backgroundImage 19: Male - T2 - lateral view - microscope low magnification - silver backgroundImage 20: Male - T2, T3 and base of T4 - dorsal view - microscope low magnification - silver backgroundImage 21: Male - thorax - lateral view - microscope low magnification - silver backgroundImage 22: Male - dorsal view - close-up - highly enlarged - silver backgroundImage 23: Male - dorsal view - highly enlarged - silver backgroundImage 24: Male - head and antennae - dorsal view - highly enlarged - silver backgroundImage 25: Male - lateral view - close-up - highly enlarged - silver backgroundImage 26: Male - lateral view - highly enlarged - silver backgroundImage 27: Male - ventral view - highly enlarged - silver background
2: Megastylus pectoralis (an orthocentrine ichneumon)
7 May 2020 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
Female, in Malaise trap
Image 1: Female - dorsal view - close-up - highly enlarged - silver backgroundImage 2: Female - antennal base - anterior view - microscope low magnification - silver backgroundImage 3: Female - antennal bases - lateral view - microscope low magnification - silver backgroundImage 4: Female - head and antennal bases - anterior view - microscope low magnification - silver backgroundImage 5: Female - head and antennal bases - lateral view - microscope low magnification - silver backgroundImage 6: Female - head and mouthparts - ventral view - microscope low magnification - silver backgroundImage 7: Female - head and thorax - ventral view - microscope low magnification - silver backgroundImage 8: Female - head - anterior view - microscope low magnification - silver backgroundImage 9: Female - head - dorsal view - microscope low magnification - silver backgroundImage 10: Female - head - lateral view - microscope low magnification - silver backgroundImage 11: Female - head - ventral view - microscope low magnification - silver backgroundImage 12: Female - mesosoma - dorsal view - microscope low magnification - silver backgroundImage 13: Female - mesosoma - lateral view - microscope low magnification - silver backgroundImage 14: Female - mesosternum - ventral view - microscope low magnification - silver backgroundImage 15: Female - metasoma apex and ovipositor - lateral view - microscope low magnification - silver backgroundImage 16: Female - Petiole - T3 - dorsal view - microscope low magnification - silver backgroundImage 17: Female - petiole - T3 - lateral view - microscope low magnification - silver backgroundImage 18: Female - propodeum - antero-dorsal view - microscope low magnification - silver backgroundImage 19: Female - scutellum and propodeum - dorsal view - microscope low magnification - silver backgroundImage 20: Female - thorax - dorsal view - microscope low magnification - silver background

Megastylus pectoralis (an orthocentrine ichneumon) may be included in identification literature listed under the following higher taxa:

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