Published on May 15th, 2012 | by James Ayre


First Record of Insect Pollination Found in Amber 100 Million Years Old

May 15th, 2012 by


The oldest ever record of insect pollination has been found in amber deposits that are 110-105 million years old.

Several species of insects covered in pollen were found in two pieces of amber, becoming the oldest ever record of the pollen transporting relationship between flowering plants and insects.

More than 80% of modern plant species depend on insects to transport pollen from the male to the female plant parts. While flowering plants are the most well known pollinated plants, pollen also exists in other species, such as conifers.

20120515-142612.jpgWhile bees and butterflies are the most well known, a wide variety of insects serve as pollinators to different species of plants, such as flies, beetles, and thrips.

The new discovery was made in amber deposits located in Northern Spain, in the Basque country. Many new species of plants and animals had previously been discovered in these deposits.

Two pieces of amber containing thysanopterans, commonly called thrips, were uncovered with the insects covered in hundreds of pieces of pollen.

Extant thrips are known as effective pollinators for a variety of modern plant species. And the pollen in question appears to be specialized for pickup by insects, likely from a Gingko tree.


“This is the oldest direct evidence for pollination, and the only one from the age of the dinosaurs. The co-evolution of flowering plants and insects, thanks to pollination, is a great evolutionary success story. It began about 100 million years ago, when this piece of amber fossil was produced by resin dropping from a tree, which today is the oldest fossil record of pollinating insects. Thrips might indeed turn out to be one of the first pollinator groups in geological history, long before evolution turned some of them into flower pollinators,” concludes Carmen Soriano, who led the investigation of the amber pieces with X-ray tomography at the ESRF.

The new discovery was just published in Proceedings of the National Academy of Sciences.

Source: ESRF
Image Credits: Enrique PeƱalver, IGME, Resin and Dragonfly via Shutterstock

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About the Author

's background is predominantly in geopolitics and history, but he has an obsessive interest in pretty much everything. After an early life spent in the Imperial Free City of Dortmund, James followed the river Ruhr to Cofbuokheim, where he attended the University of Astnide. And where he also briefly considered entering the coal mining business. He currently writes for a living, on a broad variety of subjects, ranging from science, to politics, to military history, to renewable energy. You can follow his work on Google+.

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