09 March 2016 Descendants of Cretaceous cockroaches remain pests Written by Jackie Cockroaches that we recognise today date back to the early Cretaceous Era, about 150 million years ago. There are about 3,000 known species of cockroach inhabiting the world, yet according to the World Health Organisation there are only 10... Read More about Descendants of Cretaceous cockroaches remain pests Cockroaches, Insects, United Kingdom cockroach, cockroach infestation, cockroaches Leave a Comment