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Pulaski County, Virginia

Information provided for informational purposes only

Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated.

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Pesticide Table for the Virginia Fringed Mountain Snail | About the Virginia Fringed Mountain Snail
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Pulaski County, Virginia Map

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Pesticide Table for the Virginia Fringed Mountain Snail

Table of Pesticide Active Ingredients

Active Ingredient Code
AMINOCARB 28
CARBARYL 28
DICHLORPROP (2,4-DP) 2
FENITROTHION 28
METHYL PARATHION  
28  
TRICHLORFON 28

Limitations on Pesticide Use

Code Limitations
28 Do not apply within 100 yards of species habitat for aerial applications or within 20 yards of species habitat for ground applications.
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Virginia Fringed Mountain Snail [Polygyriscus virginianus]

The Virginia fringed mountain snail has a tiny shell that measures only 4.5 millimeters (.18 in) in diameter. It has four to five whorls that increase in thickness toward the rim and have eight to ten spiral, comb-like fringes that occur inside the lower spiral grooves. The living animal inside the shell is white, without pigmented eyestalks, and is probably blind.

The Virginia fringed mountain snail is the only species in its genus and is considered to be amongst the rarest snails in North America. Very little is known about this snail other than it is a burrower and does not come to the surface except during extremely wet weather. Its habitat is along a steep river bank that is dominated by pine and oak scrub and honeysuckle, is relatively free of leaf litter, and has permanently damp soil.

This snail has been found only at a single site in Pulaski County, Virginia on the north bank of the New River. The exact size of the population is unknown but only 30 snails have ever been found alive. Habitat disturbance could harm this extremely rare species such as construction, chemicals, and reactivation of an old quarry adjacent to the habitat. Measures are being taken to protect its habitat but the Fish and Wildlife Service (FWS) recommends that additional research is need to aid recovery efforts.

Matthews, J.R. (ed.), The Official World Wildlife Fund Guide to Endangered Species, Beacham Publishing Inc, Washington, DC. Vol II, pp. 1054-1055.

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