New Scientist via
Mental Floss via
Neatorama is the tracking for this very strange and frightening item.
Quote:
The Madagascan moths were observed on the necks of sleeping magpie robins and Newtonia birds, with the tip of their proboscises inserted under the bird's eyelid, drinking avidly. This was during the wet season, so the scientists think the insects wanted salt, as the local soils are low in sodium.
But sleeping birds have two eyelids, both closed. So instead of the soft, straw-like mouthparts found on tear-drinking moths elsewhere, the Madagascan moth has a proboscis with hooks and barbs "shaped like an ancient harpoon", Hilgartner says.
This can be inserted under the bird's eyelids, where the barbs anchor it, apparently without disturbing the bird. The team does not yet know whether the insect spits out an anaesthetic to dull the irritation.
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Here's the proboscis in question. It's coming for you as you sleep:
