Seismic vibrations cause Diplocardia earthworms to emerge from the soil

Grunting for worms: seismic vibrations cause Diplocardia earthworms to emerge from the soil O. Mitra,1 M.A. Callaham, Jr,2 M.L. Smith,1 and J.E. Yack1,* ABSTRACT Harvesting earthworms by a practice called ‘worm grunting’ is a widespread and profitable business in the southeastern USA. Although a variety of techniques are used, most involve rhythmically scraping a wooden … Continue reading Seismic vibrations cause Diplocardia earthworms to emerge from the soil