copulating Fever Flies (Dilophus febrilis) - Cheshire, England - August 2009

Adult Bibionidae flies are generally short-lived and many species do not feed at all during the adult stage.

Wirral, England - April 2009

18 species of Bibionidae occur in the British Isles, out of a global fauna of approximately 700 species.

Heather Fly (Bibio pomonae) - Clwyd, Wales - August 2009

St. Mark's Fly (Bibio marci) - Cambridgeshire, England - May 2012

Cheshire, England - May 2009

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