Abstract
Abstract Tardigrada (water bear) is a phylum of microscopic animals commonly found in mosses, lichens, leaf litter, and freshwater. Over 200 species of water bear are known to occur in North America; 99 species have been reported from northeastern North America. In lichen and leaf-litter samples from Bar Harbor, Hancock County, ME (a state for which only one species of tardigrade, Thulinius augusti, has hitherto been reported), eleven species of water bear were present: Echiniscus merokensis, Milnesium tardigradum, Ramazzottius baumanni, R. oberhaeuseri, Diphascon (Diphascon) nodulosum, D. (Adropion) prorsirostre, Astatumen trinacriae, Macrobiotus harmsworthi, Macrobiotus hufelandi, Minibiotus furcatus, and Minibiotus intermedius. All have previously been reported from other states and provinces in northeastern North America, but are new records for Maine.
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