Mosquito Larvicidal Properties of Aqueous Extract of Senna Didymobotrya

Evaluation of aqueous and ethanol extract of bioactive medicinal plant, Cassia didymobotrya (Fresenius) Irwin & Barneby against immature stages of filarial vector, Culex quinquefasciatus Say (Diptera: Culicidae)

“…When compare to cost effect aqueous extract was far better than ethanol extract. Present findings are in agreement with the report of Ojewole et al [11] reported that pronounced larvicidal activity in early stages of Anopheles fluviatilis and the larvicidal activity was dependent on concentration and incubation time. In their studies 100% mortality of the larvae was observed at 1% solution of root bark, stem bark and leaf extracts.…”

“…Many species of the plants belongs to the genus Cassia possess potential larvicidial, ovicidal, repellant activities against wide species of immature and adult vector mosquitoes [7][8][9][10] . Ojewole et al [11] evaluated leaves and stem barks of C. didymobotrya against the malarial vector Anopheles fluviatilis and reported pronounced lethal effect to early stages. The aqueous extract of stem bark at 1%, 0.1% or 0.01% W/V solution showed potential larvicidal activity.…”

Pesticidal and Mosquitocidal Activities of Clausena excavata Burm. F. (Rutaceae) against Spodoptera litura (Fab.) (Noctuidae: Lepidoptera) and Aedes aegypti L., Anopheles stephensi Liston, and Culex quinquefasciatus Say. (Diptera: Culicidae)

“…These results are comparable with an earlier report by Mathivanan et al, [27] who reported similar results with methanol extract of the plant Ervatamia coronaria which showed promising larvicidal and ovicidal activity against Anopheles stephensi. Recently, Ojewole et al [28] reported a pronounced larvicidal activity from root, bark, stem, and leaf extracts of Senna didymo botrya against the larvae of Anopheles fluviatilis. Methanolic leaf extracts of Momordica charantia, Trichosanthes anguina, Luffa acutangula, Benincasa cerifera, and Citrullus vulgaris were toxic to late third instar larvae of C. quinquefasciatus [29].…”

Bio Efficacy of Spathodea Campanulata P.BEAUV.(BIGNONIACEAE) Hexane Leaf Extract Against Dengue and Zika Virus Vector Aedes Aegypti (Diptera:culicidae).

“…The phytochemicals derived from plant sources possess a complex of chemicals with unique biological activity.The phytochemicals derived from plant resources can act as larvicidal, ovicidal, oviposition deterrence, growth and reproduction inhibitors, repellents, growth regulation, fecundity suppression, male sterility and smoke toxicity (Elimam et al, 2009a,b). Some of the plant leaves extracts are tested for their diverse insecticidal properties on the medically important mosquitoes: methanolic extract of Derris elliptica (Prempree and Sukhapanth,1990); aqueous extract of Senna didymobotrya (Ojewole et al, 2000); aqueous extract of Solanum nigrum (Singh et al, 2001); acetone extract of Solanum trilobatum (Rajkumar and Jebanesan, 2004); aqueous extract of Gymnema sylvestre and Eclipta prostrate (Khanna and Kannabiran, 2007); methanol, benzene and acetone extracts of Cassia fistula (Govindarajan, 2009) As far as our literature survey is concerned that there was no information available on larvicidal, ovicidal effects of the hexane leaf extract of the S.campanulata. The present study was therefore carried out to evaluate the larvicidal, ovicidal effects of S.campanulata hexane leaf extract against the vector mosquito, Ae.…”