Monster 'Fleas' Put the Bite on Dinosaurs Artist's illustration of a giant flealike insect that plagued dinosaurs 165 million years ago. The bug, Pseudopulex jurassicus, used a long proboscis to feed on the blood of dinosaurs. CREDIT: courtesy of Capital Normal University, Beijing, China 02 May 2012 http://www.livescience.com/20031-giant-flea-insect-pest-plagued-dinosaurs.html [with comments]