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- 1Black-and-Red Froghopper Photograph Shows Nature's Warning Colors●Black-and-Red Froghopper (Cercopis vulnerata). The bold black-and-red patterning serves as a warning to potential predat
A striking photo of the black-and-red froghopper (Cercopis vulnerata) is being shared in nature and biology circles. The insect's bold patterning is aposematic: it warns predators such as birds that the froghopper secretes a bitter, foul-tasting fluid, making it an unappealing meal.