Hydromya dorsalis (Fabricius, 1775)
(a snail-killing fly)

Taxonomic hierarchy:
SpeciesHydromya dorsalis (a snail-killing fly)
FamilySCIOMYZIDAE (snail-killing flies)
SuperfamilySCIOMYZOIDEA (snail-killing, lesser dung & kelp flies)
InfraorderSchizophora - Acalyptratae (an infraorder of 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 Hydromya dorsalis (a snail-killing fly) :
1: Hydromya dorsalis (a snail-killing fly)
22 Jun 2018 OSGR: SZ29 50° 50’ N, 1° 40’ W Vice County: Dorset (VC 9) England
2 females and 1 male, swept off Lesser Spearwort . Photos: female
Image 1: Female - head and thorax - lateral view - highly enlarged - silver backgroundImage 2: Female - head - lateral view - highly enlarged - silver backgroundImage 3: Female - lateral view - close-up - highly enlarged - silver backgroundImage 4: Female - lateral view - highly enlarged - silver background
2: Hydromya dorsalis (a snail-killing fly)
10 Jul 2014 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
Male, swept off vegetative Water Mint
Image 1: Male - anterior view - close-up - magnified - silver backgroundImage 2: Male - dorsal view - highly enlarged - silver backgroundImage 3: Male - head and thorax - dorsal view - magnified - silver backgroundImage 4: Male - head and thorax - lateral view - magnified - silver backgroundImage 5: Male - head - anterior view - magnified - silver backgroundImage 6: Male - head - dorsal view - magnified - silver backgroundImage 7: Male - head - lateral view - magnified - silver backgroundImage 8: Male - lateral view - highly enlarged - silver backgroundImage 9: Wing - magnified - white backgroundImage 10: Male - terminalia - closed up - ventral view - microscope low magnification - silver background
3: Hydromya dorsalis (a snail-killing fly)
9 Jul 1998 OSGR: SU68 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Female - dorsal view - wings spreadImage 2: Female - lateral view
4: Hydromya dorsalis (a snail-killing fly)
6 Jun 1998 OSGR: SU36 51° 20’ N, 1° 30’ W Vice County: Berks (VC 22) England
Image 1: Male - dorsal view - wings apartImage 2: Male - lateral viewImage 3: Male - ventral view
5: Hydromya dorsalis (a snail-killing fly)
6 Jun 1998 OSGR: SU36 51° 20’ N, 1° 30’ W Vice County: Berks (VC 22) England
Image 1: Male - dorsal view - wings apartImage 2: Male - dorsal view - wings togetherImage 3: Male - lateral view
6: Hydromya dorsalis (a snail-killing fly)
6 Jun 1998 OSGR: SU36 51° 20’ N, 1° 30’ W Vice County: Berks (VC 22) England
Image 1: Female - dorsal view - wings apartImage 2: Female - dorsal view - wings apart (2)Image 3: Female - lateral viewImage 4: Female - ventral view - wings apart
7: Hydromya dorsalis (a snail-killing fly)
12 Apr 1998 OSGR: SU97 51° 30’ N, 0° 40’ W Vice County: Berks (VC 22) England
Swept off Juncus by puddle
Image 1: Male - dorsal view - wings openImage 2: Male - lateral viewImage 3: Male - latero-dorsal view

Hydromya dorsalis (a snail-killing fly) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Hydromya dorsalis (a snail-killing fly)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Hydromya dorsalis (a snail-killing fly)
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