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Salute the venerable ensign wasp, killing cockroaches for 25 million years – Science Daily
A new study has identified four new species of parasitic, cockroach-killing ensign wasps that became encased in tree resin 25 million years ago and were preserved as the resin fossilized into amber.
An Oregon State University study has identified four new species of parasitic, cockroach-killing ensign wasps that became encased in tree resin 25 million years ago and were preserved as the resin fossilized into amber.”Some species of ensign wasps have even been used to control cockroaches in buildings,” OSU researcher George Poinar Jr. said. “The wasps sometimes are called the harbingers of cockroaches — if you see ensign wasps you know there are at least a few cockroaches around. Our study s…
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