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Researchers may create a new weapon in the fight against giant Asian hornets.

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The giant Asian hornet has invaded parts of Canada and the United States. This has raised concerns that they could damage already fragile bee populations. A flying insect that is gigantic and has a habit of killing its prey. It has been dubbed the "killing hornet," but a new study offers hope for effective traps using hornets' sex pheromones as bait.

Sex pheromones are scents that are used to attract a mate. An international team of researchers from the Chinese Academy of Sciences, Yunnan Agricultural University and the University of California San Diego published their results on decoding the queen hornet's sex pheromone component Monday in the journal Current Biology.

Bee researcher James Nieh at UC San. Diego is a co-author of the study. Nieh and his colleagues used gas chromatography and mass spectrometry in a two-year experiment to identify the primary chemical in sex pheromones as "hyperactive phenotypes." is hexanoic acid octanoic acid and decanoic acid The compound can be bought and used immediately in the field, UC San Diego said in a statement.