Adult St Mark's fly (Bibio marci) on leaves, appearing around St Marks Day, they are common long-legged slow-flying insects, Berkshire, May

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Size: 4737px × 3158px
Photo credit: © Nigel Cattlin / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arthropod, arthropoda, berkshire, bibio, bibionidae, black, day, diptera, england, flies, fly, insect, insecta, leaf, leaves, long-legged, marci, marks, rest, resting, slow-flying, spring, st, uk