mexican jumping bean n seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble Synonym(s) jumping bean jumping seed Mexican jumping bean
News & Articles mexican jumping bean Caterpillar Can Hop for 3 Days in Leafy 'Sleeping Bag' Hop over, Mexican jumping beans: Scientists have discovered another fascinating caterpillar species with impressive jumping skills. Aug. 20, 2013 - LiveScience.com via Yahoo! News