Scientific Research and Studies Vol. 4(11), pp. 333-339,
Copyright © 2017
Author(s) retain the
copyright of this article
Full Length Research Paper
of aquatic stages of Anopheles gambiae sensu lato to
Capsicum annuum (red pepper) fresh fruits essential oil
Gisèle Aurelie FOKO DADJI1*, Joël Meguie ZEBAZE1,2,
Francis ZEUKENG3, Maximilienne Ascension NYEGUE4 and
Joseph Lebel TAMESSE1
1Laboratory of Zoology,
Higher Teacher Training College, University of Yaoundé I, P.O. Box 47, Yaoundé,
2Laboratory of Hydrobiology and Environment, Department of animal
Biology, Faculty of Science, University of Yaoundé I, P.O Box 812, Cameroon.
3Department of Biochemistry, Faculty of Science, University of
Yaoundé I, P.O.Box. 812, Yaoundé, Cameroon.
4Laboratory of Microbiology, Faculty of Science, University of
Yaoundé I, P.O.Box 812, Yaoundé, Cameroon.
Accepted 18 November, 2017
The anopheline resistance to synthetic pesticides has led to the
use of plant biocides as alternative biological and natural
control strategies. The red variety of Capsicum annuum (Solanaceae),
locally used to fight against insects was tested in this study
for its insecticidal effect against aquatic stages of
Anopheles gambiae s.l. mosquitoes. Fresh ripe fruits
were crushed, and essential oil was extracted by hydro
distillation in Clevenger-type apparatus. Seven working
concentrations (0, 10, 20, 30, 40, 50, and 100 ppm) were tested
against eggs, larval and pupal stages of An. Gambiae s.l.
Overall, the hatching rates were low and decreased with the oil
concentrations with median inhibitory concentration (IC50)
of 13.735 ppm after 24 h exposure to C. annuum fresh
fruits essential oil. This oil revealed high larvicidal effect
against third instars larvae (L3) of An. Gambiae s.l.
with median lethal concentration (LC50) of 26.181
ppm and 19.643 ppm, respectively after 30 min and 1 h exposure.
A pupicidal effect was also observed against pupal stages of
An. Gambiae s.l. with LC50 of 27.303 ppm and
20.939 ppm, respectively after 30 min and 1 h exposure. Overall,
this study revealed and confirmed the biological potentials of
C. annuum fresh fruits essential oil as a safe tool to
fight against eggs, larvae and pupal stages of An. Gambiae
s.l. in areas where this insect is known as vector borne
disease implicated in the transmission of malaria.
Plant biocides, Insecticidal properties, Capsicum
annuum, Anopheles gambiae, Mfoundi Market.
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