Stalk-eyed fly on a leaf

Male stalk-eyed fly of the species Teleopsis dalmanni. The span from eye to eye is nearly as wide as the fly’s body is long. © Rob Knell, licensed under CC BY-SA 2.5, via Wikimedia Commons

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The flies that use their eyes to fight for love - well, sex at least

With strange protrusions from their head and equally bizarre behaviour, stalk-eyed flies have earned a special place in Dr Erica McAlister's heart.

In this blog post, Dr McAlister tells us about fly-on-fly boxing matches, one of her favourite fieldwork moments and the stalk-eyed specimens she cares for as Collections Manager for the Diptera collection.

Oh, and you'll find out why it benefits the flies to have such unwieldy eyes.

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