Hmmm, if you blink you might just overlook these striking and very important insects.
Mimicry is a common occurrence in nature. It is a defence mechanism whereby a harmless animal adopts the warning system, such as a colour pattern, of a more dangerous animal and gains protection from predators because it is mistaken for something that might pose a threat to them. In the case of Bee Flies, they mimic Bumblebees but do not sting.
What is so special about Bee Flies?
Bee Flies can hover in midair, move very fast and maneuver with great skill – changing directions in the blink of an eye. They feed on flower nectar but are able to do so by hovering rather than perching on the flower using their long tongue to sip the nectar. Why is this important? Predators, such as crab spiders and ambush bugs, hide in flowers awaiting prey. But Bee Flies remain tantalizingly out of reach.
What do Bee Flies look like?
Like the Bumblebees they mimic, they are often brown and furry and make a buzzing sound when flying. But whereas Bumblebees have four wings, Bee Flies have only two. They also have large eyes, skinny long legs and very short antennae. They vary in size from a fraction of an inch to 1-1/2 inch and can be quite striking as the photos in this post demonstrate.
How long do they live and where?
It is not known definitively how long adult Bee Flies live but experts estimate only a month.
They live in gardens, woodlands, cliffs and grasslands and are often found in sandy or rocky areas. Bee Flies are found in North America, Europe and Asia with over 5,000 species worldwide and roughly 800 species in Canada.
Where do they fit in the quilt of nature?
Bee Flies play a crucial role in pollination. They are equally efficient pollinators of flowers as bees. But they are more frequent visitors and therefore are thought to pollinate more flowers than bees. And as we all know, if there were no pollinators, many plants and flowers – including some that are staple foods for humans – would die.
Bee Flies – one more fascinating patch in the quilt of nature stitched together by threads of interdependence and natural balance.
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~ Michael Robert Dyet is also the author of Until the Deep Water Stills – An Internet-enhanced Novel (now out of print) which was a double winner in the Reader Views Literary Awards 2009. Visit Michael’s website at www.mdyetmetaphor.com .
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Tags: Adorned Bee Fly · Banded Bee Fly · Bee flies · Greater Bee Fly · metaphor · Michael Robert Dtet · Nature · Tiger Bee FlyNo Comments.