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Beetles pollinated orchids millions of year ago, fossil evidence shows When most people hear the word âpollinator,â they think of bees and butterflies. However, certain beetles are known to pollinate plants as well, and new fossil evidence indicates that they were doing so 20 million years ago. This is a fossil ptilodactyline beetle found in amber from Mexico. The black arrow points to pollinia attached to the beetle's mouthparts. CREDIT Entomological Society of America
There are numerous types of fossil evidence that has been left behind by organisms. Some of the types of fossil evidence commonly used by scientists includes trace fossils, molds and casts, replacement fossils, petrified fossils, amber, and original material fossils.