Hybomitra distinguenda (Verrall, 1909)
(Bright Horsefly)

Taxonomic hierarchy:
SpeciesHybomitra distinguenda (Bright Horsefly)
GenusHybomitra (a genus of horseflies)
FamilyTABANIDAE (horseflies, deerflies, gad flies, stouts, clegs, horsefly)
SuperfamilyTABANOIDEA (horseflies, snipe flies & water snipe flies)
InfraorderTabanomorpha (horseflies, snipe flies & soldier flies)
SuborderBRACHYCERA (short-horned flies)
OrderDIPTERA (two-winged flies)
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 Hybomitra distinguenda (Bright Horsefly) :
1: Hybomitra distinguenda (Bright Horsefly)
24 Apr 2017 OSGR: SU30 50° 50’ N, 1° 30’ W Vice County: South Hants (VC 11) England
larva attacking equally large Tipulid/Nephrotoma larva, in wet squidge
Image 1: Larva - attacking Tipulid preyImage 2: Larva - attacking Tipulid prey (2)Image 3: Larva - attacking Tipulid prey (3)Image 4: Larva - attacking Tipulid prey (4)Image 5: Larva - attacking Tipulid prey (5)Image 6: Larva - with Tipulid preyImage 7: Larva - with Tipulid prey (2)Image 8: Larva - with Tipulid prey (3)Image 9: Larva - with Tipulid prey (4)Image 10: Puparium - dorsal view - pale backgroundImage 11: Puparium - latero-dorsal view - silver backgroundImage 12: Larva - head end, biting the leather jacket - enlargedImage 13: Larva - tail end - dorsal view - enlargedImage 14: Larva - tail end - dorsal view - with Tipulid prey - enlargedImage 15: Larva - tail end - lateral view - with Tipulid prey - enlargedImage 16: Larva - tail end - lateral view - with Tipulid prey - enlarged (2)Image 17: Larva - tail end - latero-dorsal view - enlargedImage 18: Male - abdomen - dorsal view - highly enlarged - silver backgroundImage 19: Puparial exuviae - lateral view - enlarged - silver backgroundImage 20: Puparial exuviae - posterior end - latero-posterior view - magnified - silver backgroundImage 21: Puparium - head end - dorsal view - enlarged - silver backgroundImage 22: Puparium - head end - latero-dorsal view - enlarged - silver backgroundImage 23: Puparium - tail end - lateral view - enlarged - silver background
2: Hybomitra distinguenda (Bright Horsefly)
8 Jul 2015 OSGR: SY98 50° 40’ N, 2° 0’ W Vice County: Dorset (VC 9) England
female, attracted to hot car.
Image 1: Female - abdomen - dorsal view - enlarged - silver backgroundImage 2: Female - antennae - ventral view - magnified - silver backgroundImage 3: Female - dorsal view - enlarged - silver backgroundImage 4: Female - head and thorax - dorsal view - enlarged - silver backgroundImage 5: Female - head and thorax - lateral view - enlarged - silver backgroundImage 6: Female - head - anterior view - enlarged - silver backgroundImage 7: Female - head - dorsal view - enlarged - silver backgroundImage 8: Female - head - lateral view - enlarged - silver backgroundImage 9: Female - lateral view - enlarged - silver backgroundImage 10: Female - terminalia - ventral view - magnified - silver backgroundImage 11: Female - ventral view - enlarged - silver backgroundImage 12: Wing - highly enlarged - white backgroundImage 13: Female - sternite 8 and dorsal lamellae - ventral view - microscope low magnification - silver backgroundImage 14: Female - terminalia - ventral view - microscope low magnification - silver background
3: Hybomitra distinguenda (Bright Horsefly)
27 Jun 2006 OSGR: TQ50 50° 50’ N, 0° 10’ E Vice County: East Sussex (VC 14) England
Female, resting on horse ("Halberd")
Image 1: Female - dorsal view - enlarged - pale backgroundImage 2: Female - dorso-lateral view - enlarged - pale backgroundImage 3: Female - head and thorax - lateral view - close-up - highly enlargedImage 4: Female - head - anterior view - highly enlargedImage 5: Female - head - anterior view - highly enlarged (2)Image 6: Female - head - antero-dorsal view - close-up - highly enlargedImage 7: Female - head - antero-dorsal view - highly enlarged
4: Hybomitra distinguenda (Bright Horsefly)
3 Jul 1998 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Female
Image 1: Female - dorsal view - wings spreadImage 2: Female - dorsal view - wings spread (2)Image 3: Female - lateral viewImage 4: Female - ventral view
5: Hybomitra distinguenda (Bright Horsefly)
15 Jun 1997 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Female
Image 1: Female - dorsal viewImage 2: Female - dorsal view - wings togetherImage 3: Female - lateral view

Hybomitra distinguenda (Bright Horsefly) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Hybomitra distinguenda (Bright Horsefly)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Hybomitra distinguenda (Bright Horsefly)
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