Flies
43 species of fly have become extinct in England in the last 200 years, 10 of which are shown below
Species: Belida angelicae
Extinct: 1936
Species: Clitellaria ephippium
Extinct: 1850
© John Reinecke
© Hectonichus
THE BARRED GREEN COLONEL
Odontomyia hydroleon
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This bright green soldierfly is known as the Barred Geen Colonel Hydroleon odontomyia.
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Rarity: This species is found on a single site in the UK, which is in the Yorkshire Moors.
Causes of decline: Declines are caused by the loss of this species incredibly unique habitat, which is calcareous springs and seepages, which are increasingly rare in the UK and needs very specific management.
This species is nationally red listed in Great Britain at Critically Threatened and is a Section 41 conservation priority species.
The Species Recovery Trust has been working on this species since 2024 and has been working with Ian Andrews from the Dipterist Forum (long-term surveyor), Forestry England (land manager), Dr Judy Webb (Dipterist and Fen Specialist) and the Deep.
The Species Recovery Trust is planning to support survey work and conservation action for this species in 2026.