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Posts on ‘April 10th, 2012’

Why do ants and other social insects have elbowed antennae?

A defining feature of many social insects is an unusual antennal form.  The base segment is elongated such that the antennae take on a shape rather similar to a human arm. What’s up with this “elbowed” appearance? Quite simply, the kink allows the insect to feel with her antennae what she is holding in her [...]

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Pison the spider hunter

For those of you who dislike spiders, I’d like to introduce you to your new favorite friend: The genus Pison refers to a small group of crabronid wasps containing about 200 species worldwide. These insects raise their young on a diet of living, but paralyzed, spiders. Paralyzed spiders don’t decay, staying fresh while the wasp [...]

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