Novo composto químico combate cupins com danos mínimos aos seres humanos

Pesquisadores desenvolveram um tratamento direcionado utilizando o produto químico bistrifluron para controlar infestações de cupins-de-madeira-seca. A abordagem interfere no processo de muda dos insetos e alcançou altas taxas de mortalidade em testes laboratoriais.

Cientistas da Universidade da Califórnia, em Riverside, testaram o bistrifluron contra cupins-de-madeira-seca do oeste. O composto bloqueia a formação de quitina necessária para novos exoesqueletos, levando ao colapso da colônia em aproximadamente dois meses. Em um dos testes, obteve-se 96 por cento de mortalidade em 60 dias quando apenas uma pequena parte dos cupins foi inicialmente exposta, uma vez que o material se espalhou pela colônia por meio do comportamento alimentar.

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