Dilophus femoratus Meigen, 1804
(a fever fly)

Taxonomic hierarchy:
SpeciesDilophus femoratus (a fever fly)
GenusDilophus (fever flies)
FamilyBIBIONIDAE (St Mark’s flies, fever flies)
SuperfamilyBIBIONOIDEA (St Mark’s flies, fever flies)
InfraorderBibionomorpha (St Mark’s flies, fever flies)
SuborderNEMATOCERA (thread-horned flies, gnat)
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 Dilophus femoratus (a fever fly) :
1: Dilophus femoratus (a fever fly)
1 Jun 2013 OSGR: SZ29 50° 40’ N, 1° 40’ W Vice County: South Hants (VC 11) England
female, swept off Sea Pink
Image 1: Female - wing - magnified - grey backgroundImage 2: Female - wing - magnified - white backgroundImage 3: Female - head - antero-dorsal view - microscope low magnification - white backgroundImage 4: Female - head - lateral view - microscope low magnification - white backgroundImage 5: Fore tibia - postero-dorsal view - microscope low magnification - grey background
2: Dilophus femoratus (a fever fly)
12 Jul 2012 OSGR: SD77 54° 10’ N, 2° 20’ W Vice County: Mid-west Yorks (VC 64) England
2 males and 2 females
Image 1: Female - lateral view - highly enlarged - pale backgroundImage 2: Male - lateral view - highly enlarged - pale backgroundImage 3: Female - head and thorax - lateral view - microscope low magnification - pale backgroundImage 4: Male - head - lateral view - microscope low magnification - pale background
3: Dilophus femoratus (a fever fly)
5 May 2007 OSGR: SU67 51° 30’ N, 1° 10’ W Vice County: Oxon (VC 23) England
Mating pair on gatepost
Image 1: Female - dorsal view - close-up - highly enlarged - grey backgroundImage 2: Female - head and thorax - dorso-lateral view - magnifiedImage 3: Female - head and thorax - lateral view - magnifiedImage 4: Female - head, thorax and fore leg - lateral view - magnifiedImage 5: Female - lateral view - close-up - highly enlarged - grey backgroundImage 6: Female - thorax - dorsal view - magnifiedImage 7: Male - dorsal view - close-up - highly enlarged - grey backgroundImage 8: Male external genitalia - postero-ventral view - magnifiedImage 9: Male - fore-legs - magnifiedImage 10: Male - fore-tibiae - magnifiedImage 11: Male - fore-tibiae - magnified (2)Image 12: Male - head - front three-quarter view - magnifiedImage 13: Male - lateral view - close-up - highly enlarged - grey backgroundImage 14: Mating pair - dorsal view - close-up - enlargedImage 15: Mating pair - dorsal view - close-up - enlarged (2)Image 16: Mating pair - lateral view - close-up - enlarged
4: Dilophus femoratus (a fever fly)
25 May 1997 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
in flight
Image 1: Male - dorsal view - white backgroundImage 2: Male - dorsal view - white background (2)
5: Dilophus femoratus (a fever fly)
25 May 1997 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
in flight
Image 1: Female - dorsal view - white backgroundImage 2: Female - lateral view - white background
6: Dilophus femoratus (a fever fly)
25 May 1975 OSGR: TQ21 50° 50’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Female
Image 1: Female - lateral view - close-up - enlargedImage 2: Female - lateral view - close-up - enlarged (2)

Dilophus femoratus (a fever fly) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Dilophus femoratus (a fever fly)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Dilophus femoratus (a fever fly)
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