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Asian giant hornets are apparently seeking out and attacking paper wasp nests in Whatcom County, Wash., a preference scientists hope will help…
Cicada killer wasps are native to Oregon and emerge during summer. They live 60 to 75 days before they migrate back underground until the next year.
Bees pollinate berries in northwest Washington before Asian giant hornet colonies mature in the summer, a sequence that may shield commercial beekeepers and farmers from being stung by the invasive wasp.
British Columbia provincial apiculturist Paul van Westendorp said he was particularly concerned about a smaller Asian hornet, Vespa velutina, unknown in North America but a scourge in Europe.
Scientists are using the beneficial wasps, called Tamarixia radiata, to combat huanglongbing disease, or HLB, widely regarded as the world's most devastating citrus disease.
The intensive hunt for Asian giant hornets has inadvertently confirmed that a natural enemy of the destructive fruit fly spotted wing drosophila has come to northwest Washington.
Volunteers trapping for Asian giant hornets next year won't be asked to mail in all the insects they catch, Washington State Department of Agriculture spokeswoman Karla Salp said Thursday.
The department has destroyed one nest, containing about 500 hornets in various life stages. It suspects there are at least several more nests in northwest Washington.