Sunday, August 08, 2010

more meadow pleasures 3 - Cornish fruit flies

and a brilliant small tortoiseshell (bottom), a wall brown (middle) nowhere near a wall but unusually still for this restless butterfly, and an odd shaped fly with a dog on its back (top).

10 August 2010

Thanks to my friends at Wild about Britain, this fly has been identified as chaetorellia jaceae, a fruit fly that lives on knapweed and related species and is used in other parts of the world as a form of biological control for these plant species where they have become invasive. As a group these flies have very elabotrate mating rituals, and often these sorts of colours to act as bayesian mimicry to put off their predators.

later on 10 August 2010

or is it Chaetostomella cylindrica ? This is the definitive fly for a dog's blog.


Around the World said...

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Amongst The Oaks said...

Spot I'm amazed at the detail you see. That is a perfect dog face on that fly. Thank you for sharing.