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Image Number D4898-1 |
In 2020, the parasitic wasp Gryon aetherium was discovered at one of the sites ARS scientists were surveying, and in 2021 the wasps were found throughout northcentral California. Above, a female Gryon aetherium wasp is parasitizing an egg (she inserts her ovipositor into the bagrada bug egg to deposit her own egg).
Photo by Evelyne Hougardy
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