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Molluscicide resistance and a field test kit
Tropical Medicine and Parasitology : Official Organ of Deutsche Tropenmedizinische Gesellschaft and of Deutsche Gesellschaft Fur Technische Zusammenarbeit (GTZ)
|March 1, 1988
Summary
Molluscicide resistance in snails is reviewed, with mixed findings on tolerance changes. A new field-usable kit for measuring snail molluscicide susceptibility is described, aiding resistance monitoring.
Area of Science:
- Veterinary Entomology
- Pest Management
Background:
- Molluscicide resistance is a growing concern in snail control.
- Existing literature presents conflicting evidence regarding alterations in snail tolerance to molluscicides.
Purpose of the Study:
- To review existing literature on molluscicide resistance in snails.
- To introduce a novel kit for assessing molluscicide susceptibility in field conditions.
Main Methods:
- Comprehensive literature review of molluscicide resistance studies.
- Description of a newly developed kit utilizing a microlitre delivery device for preparing molluscicide solutions.
- Field trials to evaluate the kit's efficacy and usability.
Main Results:
- Inconsistent findings on molluscicide tolerance alterations across laboratory and field studies.
- No confirmed reports of true resistance (failure to control natural populations) in snails.
- Successful field application of the developed molluscicide susceptibility testing kit.
Conclusions:
- While tolerance variations exist, confirmed molluscicide resistance in natural snail populations remains unverified.
- The new kit offers a practical tool for field-based monitoring of snail susceptibility to molluscicides.
- Standardized susceptibility testing is crucial for effective pest management strategies.