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Millipedes Rock the Night

Millipedes were counted as a prized find by our children growing up. They are equally special to our grandkids. Unlike the active Rolly Pollies lurking in the leaves, however, Pedes are found by flipping over flower pots or logs, where they lay curled up in a ball. Our kids and grands know that these curled up critters will “wake” up when held in a warm hand, to then crawl across their arms with their “thousand legs” – cue the giggles.

Millipedes are, after all, nocturnal by nature, as are many other common creatures in our world. We humans typically focus on creatures that are seen in the light of day, short of the moths and mosquitoes that come out at dusk or after dark, buzzing around the porch light, or horror of horrors, lighting up bug zappers (a subject for another day).

I was, therefore, pleasantly surprised to spot a long, slender, slow-moving form on the trunk of a cypress tree in my yard recently, as I was working after dark in my workshop. Sure enough, not one, but two Giant Millipedes were making their way up the tree. Their day had just begun, looking for some of their favorite foods – algae and fungus growing on the surface of the bark. They also feed on decaying leaves, wood, bark, and other decomposing vegetation.

Narceus americanus is the largest native millipede in the U.S. and can be quite common. As many as a half dozen can be found in a square yard portion of any woodland or forested yard. They play an important part in the cycle of decomposition and are food for common small mammals like possums, moles, and mice, as well as toads and birds. But unless you look under leaf litter or logs during the daytime, you will not find many. Nighttime is their time.

Take a walkabout an hour after dark and look at the trunk of your trees for these and many other nocturnal creatures. Tree trunks are highways for daddy longlegs, roaches, spiders, and Giant Millipedes.

Hope to see you in our great outdoors!


Written by Mark W. LaSalle, Ph.D.

Mark is a naturalist and wetland ecologist, providing expertise on wetlands, water quality and environmental impacts of humans. He has also developed and conducted a number of environmental education programs and workshops for youth, teachers, realtors, and the general public on a variety of subjects including wetlands, natural history, and environmental landscaping. Mark is a graduate of the University of Southwestern Louisiana (B.S. and M.S. degrees) and Mississippi State University (Ph.D.). Mark is the recipient of the Chevron Conservation Award, the Mississippi Wildlife Federation Conservation Educator Award, the Gulf Guardian Award, and the Boy Scouts of America Silver Beaver Award.


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