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Hammerhead Worm

Scientific Name

Bipalium kewense Moseley, 1878 (ITIS)

Common Name

Hammerhead worm, land planarian, shovel-headed garden worm

Native To

Southeast Asia (Ducey et al. 2006)

Date of U.S. Introduction
Means of Introduction

Movement of infested plants and soil (Ducey et al. 2006)


Predator of earthworms, could potentially impact agricultural, horticultural, and natural ecosystems (Lemos et al. 2012)

Hammerhead worm
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Shovel-headed garden worm; unknown life stage


Photo by Whitney Cranshaw, Colorado State University

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Distribution / Maps / Survey Status

Selected Resources

The section below contains highly relevant resources for this species, organized by source.