Land Snails
Photo(s): Views of a Nesovitrea binneyana shell.
Illustrations © Kathy Schmidt, from her series "Land Snails of New York State."
Click photo(s) to enlarge.
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Nesovitrea binneyana (Dourson, 2015)
Family: Zonitidae
Common name: Blue Glass
Identification
Width: 3.5-4.3 mm
Height: 1.75 mm
Whorls: 3.5-4
The shell of Nesovitrea binneyana is heliciform with a simple peristome and no teeth. Closely spaced, transverse striae are present but weakly developed and absent from the base. The spire is slightly elevated, the aperture is well-rounded and the umbilicus shows all its volutions. No spiral striae are present. The glossy, translucent shell is nearly clear, with a slight greenish tinge.
Ecology
Nesovitrea binneyana is a species of upland mixed hardwood forests of the Northeastern United States where it dwells in leaf litter. In Maine it occurs in a wide variety of habitats, including white cedar-ash wetlands (Nekola, 2008).
Taxonomy
Synonyms for Nesovitrea binneyana are Hyalina binneyana, Zonites binneyana, Helix morsei, and Retinella binneyana.
Distribution
Records of Nesovitrea binneyana in the northeastern United States range from Pennsylvania and delware north, and it is also known from Michigan and Wisconsin. Specimens widely reported from West Virginia are likely N. electrina (Dourson, 2015).
Conservation
NatureServe Global Rank: G5, Apparently Secure.
This species is widespread in the northern states of the Northeast region.
Dan Dourson 4/2017
RANGE MAP (Click to enlarge)
