Muthukrishnan and Puspalatha (2001) evaluated the larvicidal activity of extracts from Calophyllum inophyllum (Clusiaceae), Rhinacanthus nasutus (Acanthaceae), Solanum suratense (Solanaceae) and Samadera indica (Simaroubaceae), Myriophyllum spicatum (Haloragaceae) against Anopheles stephensi (Senthil Nathan et al., 2006).