Kim Taylor / Redpoll (Carduelis flammea) male landing on Alder (Alnus glutinosa) Surrey, England. February
01356923
David Maitland / Close-up view of the upward-looking giant dorsal compound eyes of the St Marks fly (Bibio marci) used to detect female flies flying above. Like many insects the eyes are "hairy". Feltwell, Norfolk, UK...
01356922
David Maitland / Close-up view of the upward-looking giant dorsal compound eyes of the St Marks fly (Bibio marci) used to detect female flies flying above. Like many insects the eyes are "hairy". Feltwell, Norfolk, UK...
01356921
David Maitland / Head of female St. Marks fly (Bibio marci) showing normal sized compound eyes. Feltwell, Norfolk, UK
01356920
David Maitland / Head of female St. Marks fly (Bibio marci) showing normal sized compound eyes. Feltwell, Norfolk, UK
01595580
Colin Varndell / St.Mark's fly (Bibio marci) at rest. Dorset, England, UK April.
01585054
Andy Sands / St Mark's fly (Bibio marci) mating pair on leaf, Bedfordshire, England, UK, May
01575088
Phil Savoie / St Mark's fly (Bibio marci) Monmouthshire Wales UK,
01460431
Rod Williams / St Mark's-fly (Bibio marci) on leaf, Brockley cemetery, Lewisham, England, UK, May.
01444557
Kim Taylor / St Mark's Fly (Bibio marci) male in flight. Surrey, England. May
01444556
Kim Taylor / St Mark's Fly (Bibio marci) male in flight. Surrey, England. May
01419723
Nick Upton / Male March fly (Bibio lanigerus) resting on grass stem in heathland, Sandy, Bedfordshire, UK, April.
01419722
Nick Upton / Male March fly (Bibio lanigerus) resting on grass stem in heathland, Sandy, Bedfordshire, UK, April.
01419741
Nick Upton / Sexually dimorphic St. Mark's fly / March fly (Bibio marci) pair mating; males have much larger eyes and clear wings, Wiltshire garden, UK, May.
01402055
Andy Sands / St Mark's Fly (Bibio marci) mating pair on grass stem, West Sussex, England, UK, May
01352328
Nick Upton / Female St.Mark's / March Fly (Bibio marci) feeding on Alexanders (Smyrnium olusatrum) flowerhead on coastal cliff overlooking Camel esturary and Atlantic sea. Trebetherick, Cornwall, UK, April.
01358428
Guy Edwardes / 2020VISION / March / St. Mark's flies (Bibio marci) Street Heath SWT reserve, Somerset Levels, England, UK, April
01133564
Kim Taylor / St Mark's fly / March fly {Bibio marci} on Gorse flower, UK.
01132601
Kim Taylor / St Mark's Fly (Bibio marci) male resting on leaf, UK.
01129305
Michael Hutchinson / March / St Marks fly {Bibio marci} UK.
01129304
Michael Hutchinson / March / St Marks flies {Bibio marci} UK.
01193881
Premaphotos / March fly (Bibio lanigerus) male on a Lesser celandine flower in spring, UK
01185036
Premaphotos / March / St. Mark's fly (Bibio marci) mating pair, large-eyed (holoptic) male on the right, UK
01184857
Premaphotos / A March or fever fly (Bibio hortulanus) female, UK
01734152
Natalie Clements / Fly (Bibio leucopterus) resting on grass stem and cleaning hind legs, Cardiff, Wales, UK, August.
01734150
Natalie Clements / Fly (Bibio leucopterus) looking around and twitching wings whilst resting on grass stem, Cardiff, Wales, UK, August.
01711445
Andy Sands / Porcelain fungus (Oudemansiella mucida) developing fungi with Fly (Bibio longipes) resting on stem, Buckinghamshire, England, UK. October. Focus stacked.
01710378
Andy Sands / Pair of St Mark's flies (Bibio marci) mating on grass stem. Hertfordshire, England, UK. May. Focus Stacked.
01699500
Nick Upton / St. Mark's fly / Hawthorn fly (Bibio marci) mating pair on grass blade with flowering field of Oilseed rape (Brassica napus) in the background, Marlborough Downs, Wiltshire, UK. May.
01682556
Nick Upton / St. Mark's fly / March fly / Hawthorn fly (Bibio marci) swarm dancing over a Hawthorn tree on a warm spring day, Wiltshire, UK, April.
01664665
Nick Upton / St. Mark's fly / March fly / Hawthorn fly (Bibio marci) swarm dancing over a Hawthorn tree on a warm spring day, Wiltshire hedgerow, UK, April.
01664664
Nick Upton / St. Mark's fly / March fly / Hawthorn fly (Bibio marci) swarm dancing over a Hawthorn tree on a warm spring day, Wiltshire hedgerow, UK, April.
01649453
Ross Hoddinott / Male St Marks fly (Bibio marci) resting on oak leaf, Broxwater, Cornwall, UK. May.