Abstract

Abstract: The feeding behavior and diet of the federally threatened land snail Triodopsis platysayoides (Brooks, 1933) are reported. The species is atypical among eastern North American land snails in that it remains active and feeding during hot, dry summer months while other land snail species occurring in the region may become motionless or are compelled to estivate. Triodopsis platysayoides has also coevolved with a rare mammal, the Alleghany wood-rat, Neotoma magister. Clearly, where the wood-rat and T. platysayoides coexist, wood-rats furnish a nearly constant food supply to the snail, including wood-rat excrement and a host of wood-rat harvested provisions carried into the snail's location. Triodopsis platysayoides includes as part of its diet fungi, lichens, flower blossoms of the tulip tree Liriodendron tulipifera, deceased gray cave crickets Euhadenoecus fragilis, gray cave cricket excrement, yellow birch Betula allegheniensis, and sweet birch Betula lenta leaves. Senescent leaves of the birch m...

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