A pilot study testing a natural and a synthetic Molluscicide for controlling invasive apple snails (Pomacea maculata)
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Abstract
Pomacea maculata (formerly P. insularum), an apple snail native to South America, was discovered in Louisiana in 2008. These snails strip vegetation, reproduce at tremendous rates, and have reduced rice production and caused ecosystem changes in Asia. In this pilot study snails were exposed to two molluscicides, a tea (Camellia sinensis) seed derivative (TSD) or niclosamide monohydrate (Pestanal®, 2′,5-dichloro-4′-nitrosalicylanilide, CAS #73360-56-2). Mortality was recorded after exposure to high or low concentrations (0.03 and 0.015 g/L for TSD, 1.3 and 0.13 mg/L for niclosamide). The TSD induced 100 % mortality at both concentrations. Niclosamide caused 100 % and 17 % mortality at high and low concentrations respectively. These molluscicides were also tested on potential biocontrol agents, the red swamp crayfish (Procambarus clarkii) and redear sunfish (Lepomis microlophus). No crayfish mortalities occurred at either concentration for either chemical, but sunfish experienced 100 % mortality with TSD (0.03 g/L), and 21 % mortality with niclosamide (0.13 mg/L).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A pilot study testing a natural and a synthetic Molluscicide for controlling invasive apple snails (Pomacea maculata) |
| Series title | Bulletin of Environmental Contamination and Toxicology |
| DOI | 10.1007/s00128-015-1709-z |
| Volume | 96 |
| Issue | 3 |
| Year Published | 2016 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Wetland and Aquatic Research Center |
| Description | 6 p. |
| First page | 289 |
| Last page | 294 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |