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Cockroach Makes a Reappearance in North America

by Dr. Enozia Vakil on  January 6, 2014 at 2:35 PM Lifestyle News   - G J E 4
A cockroach, belonging to the genus Ectobius is an example of an invasive organism, and is known to inhabit the region from northernmost Europe to southernmost Africa.
 Cockroach Makes a Reappearance in North America
Cockroach Makes a Reappearance in North America
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Ectobius has a long fossil history in Europe, occurring in Baltic amber that is about 44 million years old, and its lineage was believed to have been exclusively from the Old World. However, a shocking new discovery has uprooted that view. In fact, it now appears that Ectobius may have originated in the New World.

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Four ancient Ectobius species were recently discovered in the 49-million-year-old Green River Formation near Rifle, Colorado in deposits that are about five million years older than the Baltic amber. However, these cockroaches soon became extinct in North America. The cause for the extinction of Ectobius in North America in the dim past is unknown, but it evidently survived in the Old World, and western Europe in particular.



Source: Eurekalert
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