Adulticidal and repellent activities of Melaleuca leucadendron (L.) and Callistemon citrinus (Curtis) against filarial and dengue vectors
Keywords:
Aedes aegypti, Culex quinquefasciatus, Melaleuca leucadendron, Callistemon citrinus, essential oil, repellent activity, adulticidal activity.Abstract
Essential oils extracted by steam distillation from two tropical plants viz; Melaleuca leucadendron (L.) and Callistemon citrinus (Curtis) evaluated against Aedes aegypti (L.) and Culex quinquefasciatus (Say), in vitro for their adulticidal and repellent potentiality showed a 100% protection up to 5 hrs after treatments. M. leucadendron showed 100% repellency against Cx. quinquefasciatus and 80.9% repellency against Ae. aegypti at its 8 th hour of exposure. Adulticidal activities of these two essential oils observed after 24 hour exposure showed 100% adult mortality, indicating their potentiality in the control of mosquitoes.
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