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Japanese barberry

Japanese barberry

A new study published in the journal Environmental Entomology shows that invasive Japanese barberry reduces numbers and diversity of arthropod communities in forests where it has spread. Generalist predators such as ants and spiders are particularly affected, which can have ripple effects upward through the food web to insect-eating animals and, in turn, those animals’ predators. Fewer predators may also be linked to increased presence of the ticks that carry the bacteria that causes Lyme disease. (Photo credit: Chad Seewagen, Ph.D.)

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