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Jackson County, Kentucky

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 Although the information provided here was accurate and current when first created, it is now outdated.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 | About Cumberland Bean Pearly Mussel | About Little-Wing Pearly Mussel
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Pesticide Table for Freshwater Mollusks

Active Ingredient Code
AZINPHOS-METHYL 2c
BENOMYL 1c
CAPTAN 1c
CARBARYL 2c
CARBOFURAN 1c
CHLORPYRIFOS  
Alfalfa, Peanuts 43
Apples 41
Mosquito Larvicide Use 61
All Other Uses Except as a Termiticide 2c
DIAZINON 2c
DICOFOL 2c
DIMETHOATE 2c
ENDOSULFAN 2c
ESFENVALERATE 1c
ETHION 2c
ETHOPROP 1c
FENAMIPHOS 2c
FLURIDONE 20
FONOFOS 2c
MALATHION 2c
METHIDATHION 2c
METHOMYL 1c
METHYL PARATHION 1c
MEVINPHOS 2c
NALED 1c
NITRAPYRIN 1c
PARATHION (ethyl) 2c
PENDIMETHALIN 2c
PERMETHRIN 1c
PHORATE 1c
PHOSMET 1c
PHOSPHAMIDON 1c
PROPICONAZOLE 1
PYRETHRINS 2c
TERBUFOS 2c
TRICHLORFON 2c

Limitations On Pesticide Use

Code Limitations
1 Do not apply this pesticide within 20 yards from the edge of water within the shaded area for ground applications, nor within 100 yards for aerial applications.
1c For ground applications, do not apply this pesticide within 20 yards from the edge of water within either the shaded area or the upstream protection zone (described under the Shading Key). For aerial applications, do not apply this pesticide within 100 yards from the edge of water within the areas described above.
2c For ground applications, do not apply this pesticide within 40 yards from the edge of water within either the shaded area or the upstream protection zone (described under the Shading Key). For aerial applications, do not apply this pesticide within 200 yards from the edge of water within the areas described above.
20 Do not apply directly to water within the shaded area.
41 Do not apply this pesticide within 1/4 mile from the edge of water within the shaded area for ground applications, nor within 1/2 mile for aerial applications.
43 Do not apply this pesticide within 100 yards from the edge of water within the shaded area for ground applications, nor within 1/2 mile for aerial applications.
61 Do not apply this pesticide as a mosquito larvicide within the shaded area.
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Cumberland Bean Pearly Mussel[Villosa trabalis]

The Cumberland bean pearly mussel is a small to medium-sized freshwater species with solid, elongated, oval valves. The outer shell is somewhat glossy, olive-green, yellowish-brown, or blackish, and covered with black rays extending over the ridges and growth marks on the outershell. The innershell is white except for an iridescent blue-green posterior. It is usually found in clean, fast-flowing water in gravel and sand showls that have been swept free of silt by the action of the current. Like other freshwater mussels, this species buries itself in the stream bottom and feeds by filtering food from the water.

Historically, this mussel was known to inhabit the tributary streams and rivers in Kentucky, Alabama, Georgia, and Tennessee. Present populations are found in a 20 mile stretch of the Little South Fork Cumberland River (McCreary county, KY), the Station Camp Creek in the Tennessee headwaters of the Big South Fork, the Rockcastle River and its tributaries-Roundstone and Horse Lick creeks, Middle Fork (Laurel County, KY), and in Buck Creek (Pulaski County, KY). The populations of these mussels have drastically reduced over the years primarily due to dam construction. Other factors contributing to the decline are siltation and water pollution from strip mining, coal washing, logging and agricultural runoffs.

Matthews, J.R. (ed.), The Official World Wildlife Fund Guide to Endangered Species, Beacham Publishing Inc, Washington, DC. Vol. II, pp. 1020-1021.
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Little-Wing Pearly Mussel[Pegias fabula]

The little-wing pearly mussel is usually less than 1.5 inches in length and 0.5 inches in width. The shell is light green or dark yellowish brown with variable dark lines that is often eroded and chalky white. The specific food habits of the pearly mussel are unknown, but like other mussels, it most likely feeds by filtering food from the water. At one time this mussel was widely distributed in 27 streams in Alabama, Virginia, Tennessee, Kentucky, and North Carolina. However, this mussel is now believed to be found in small numbers in Kentucky, Tennessee, and Virginia. Recent studies have located a few isolated populations in Kentucky with numbers ranging from 3-7 live specimens in Horse Lick Creek (Jackson and Rockcastle counties), and the Little and Big South Fork Cumberland Rivers (McCreary and Wayne counties). Significant deterioration of water quality from siltation, wastes, and runoff from strip mining, coal washing, and agriculture has drastically affected the populations of this mussel.

Mosely, C.J. (ed.), The Official World Wildlife Fund Guide to Endangered Species, Beacham Publishing Inc, Washington, DC. Vol. II, pp. 993-4.

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