Biorhiza pallida f. sexual (Olivier, 1791)
(Oak-apple Causer)

Taxonomic hierarchy:
FormBiorhiza pallida f. sexual (Oak-apple Causer)
SpeciesBiorhiza pallida (Oak Apple Gall Wasp)
GenusBiorhiza (oak apple gall wasp)
TribeCynipini (a tribe of hymenopterans)
FamilyCYNIPIDAE (gall wasps etc)
SuperfamilyCYNIPOIDEA (cynipoid 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 Biorhiza pallida f. sexual (Oak-apple Causer) :
1: Biorhiza pallida f. sexual (Oak-apple Causer)
27 Apr 2019 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
oak-apple galls on ground under Oak at roadside
Image 1: Oak Apple galls - white background
2: Biorhiza pallida f. sexual (Oak-apple Causer)
16 May 2018 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
oak-apple galls on Oak at roadside . Photos: Female, emerged from gall
Image 1: Female - antero-dorsal view - highly enlarged - silver backgroundImage 2: Female - dorsal view - highly enlarged - silver backgroundImage 3: Female - lateral view - wings together - magnified - silver backgroundImage 4: Female - lateral view - wings up - highly enlarged - silver backgroundImage 5: Female - ventral view - highly enlarged - silver backgroundImage 6: Female - head and antennal bases - anterior view - microscope low magnification - silver backgroundImage 7: Female - head and antennal bases - dorsal view - microscope low magnification - silver backgroundImage 8: Female - head and thorax - dorsal view - microscope low magnification - silver backgroundImage 9: Female - head and thorax - lateral view - microscope low magnification - silver backgroundImage 10: Female - head - anterior view - microscope low magnification - silver backgroundImage 11: Female - scutellum and propodeum - postero-dorsal view - microscope low magnification - silver background
3: Biorhiza pallida f. sexual (Oak-apple Causer)
10 May 2018 OSGR: SU02 50° 60’ N, 1° 60’ W Vice County: South Wilts (VC 8) England
abundant fresh Oak Apple galls, on small Oak . Photos: Male, emerged from gall
Image 1: Male - dorsal view - highly enlarged - silver backgroundImage 2: Male - genitalia everted - lateral view - close-up - highly enlarged - silver backgroundImage 3: Male - head, antennae and thorax - dorsal view - magnified - silver backgroundImage 4: Male - lateral view - highly enlarged - silver backgroundImage 5: Male - ventral view - highly enlarged - silver backgroundImage 6: Male - head and antennal bases - anterior view - microscope low magnification - silver backgroundImage 7: Male - head and thorax - lateral view - microscope low magnification - silver backgroundImage 8: Male - head - anterior view - microscope low magnification - silver backgroundImage 9: Male - head, thorax and scutellum - dorsal view - microscope low magnification - silver background
4: Biorhiza pallida f. sexual (Oak-apple Causer)
2 May 1998 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Sexual gall on oak
Image 1: Sexual gall - attachmentImage 2: Sexual gall - close-upImage 3: Sexual gall - LSImage 4: Sexual gall - LS (2)Image 5: Sexual gall - LS (3)Image 6: Sexual galls - from aboveImage 7: Sexual galls - from belowImage 8: Sexual galls - from below (2)Image 9: Sexual galls on twig
5: Biorhiza pallida f. sexual (Oak-apple Causer)
28 May 1972 OSGR: SE64 53° 60’ N, 1° 0’ W Vice County: South-east Yorks (VC 61) England
Sexual generation - Oak Apple Gall on oak
Image 1: Sexual gall - close-up - enlargedImage 2: Sexual gall - enlarged
6: Biorhiza pallida f. sexual (Oak-apple Causer)
21 Jul 1968 OSGR: TQ21 50° 60’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Sexual generation - Old Oak Apple Gall on Oak
Image 1: Old specimen - close-upImage 2: Old specimen - LSImage 3: Old specimens

Biorhiza pallida f. sexual (Oak-apple Causer) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Biorhiza pallida f. sexual (Oak-apple Causer)
BioInfoBioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Biorhiza pallida f. sexual (Oak-apple Causer)
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