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Bibio marco 5046

Observed: 28th April 2011 By: Wildlife Ranger
Freshwater Environment & Ecology Trust
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Bibio marco 5046
Description:

Adults emerge circa St Mark's Day, 25th April. long dangling legs hanging downin flight strong sexual dimorphism Males c 12mm long with very large eyes and clear wings - Females 14mm long smaller eyes and heads / opague brown wings.

Identifications
Species interactions

No interactions present.

Species with which St Marks Fly (Bibio marci) interacts