Photos & Videos » Photos » Dr. Jim Woolley, A&M entomologist, says these "very cool little ...

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September 9, 2009
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Dr. Jim Woolley, A&M entomologist, says these "very cool little wasps" are parasitic ensign wasps. They're solitary and they stalk cockroach egg cases to lay their eggs in them. Their young consume the eggs, killing the next generation of roaches. They're good guys - don't kill them.

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