Ricardo Perez de la Fuente (Credit: Oxford University Museum of Natural History)
Researchers have found insects trapped in amber 130 million years ago. While this is normally an exciting find, the discovery has added effect has captured the exact moment in time the insects burst through their eggs.
The findings, published in the scientific journal Palaeontology, shows us how the insects used a tool known as an egg burster to get through the shell.
“The structures out may have the tendency to disappear quickly as soon as egg-laying animals are hatching, so obtaining fossil evidence of them is really exceptional,” said study author Dr. Michael Angel in the comments that was obtained by The Sun.
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The insects caught in the Lebanese amber, show that the technique was founded as far back as the Beginning of the Cretaceous period.
Also “proves by means of direct fossil evidence of how a number of morphological features related to the time of hatching, and associated behavior, at least in insect embryos, are subject to a high degree of evolutionary conservatism,” according to the study’s abstract.
The insects, ancient relatives of the modern green lacewings, were captured by the resin while still in the shells, researchers believe. It is likely that the eggs were placed on a tree, and the resin seeped from the trunk and petrified them almost immediately.
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“Egg bursters are diverse in form and location,” the study’s lead author Dr. Ricardo Perez-de la Fuente said in comments obtained by The Sun.
Dr. Pérez-de la Fuente continued: “the Modern green lacewing hatchlings break the egg with a ‘mask’ carry a serrated blade. Once used, this ‘mask’ is shed and still attached to the empty eggshell, and that is exactly what we found in the orange together with the newborns.”
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