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- Title
Toxicity and growth inhibition potential of vetiver, cinnamon, and lavender essential oils and their blends against larvae of the sheep blowfly, <italic>Lucilia sericata</italic>.
- Authors
Khater, Hanem F.; Ali, Ali M.; Abouelella, Galal A.; Marawan, Marawan A.; Govindarajan, Marimuthu; Murugan, Kadarkarai; Abbas, Rao Z.; Vaz, Nelissa P.; Benelli, Giovanni
- Abstract
Abstract: Background: Myiasis induced by the sheep blowfly, <italic>Lucilia sericata</italic>, represents a public health problem widely distributed throughout the world. <italic>L. sericata</italic> larval stages feed on both humans and animals. <italic>L. sericata</italic> adults and larvae can play a role in spreading agents of mycobacterial infections. Objectives: It is critical to establish new and safe alternative methods of controlling <italic>L. sericata</italic>. Methods: The insecticidal effectiveness and growth inhibition potential of three commercially available essential oils (EOs), vetiver (<italic>Chrysopogon zizanioides</italic>), cinnamon (<italic>Cinnamomum zeylanicum</italic>), and lavender (<italic>Lavandula angustifolia</italic>), as well as their blends, were tested against the second (L2) and third (L3) larval stages of <italic>L. sericata</italic>. Sunflower (<italic>Helianthus annuus</italic>) oil was used as a carrier and tested on L2 and L3 larvae. To the best of our knowledge, all applied essential oils, except lavender, and oil blends were tested against <italic>L. sericata</italic> for the first time. Results: All applied oils did not repel L2 from the treated liver but adversely affected their development. Contact treatments on <italic>L. sericata</italic> L3 indicated that vetiver and cinnamon oils significantly affected treated larvae. Total mortality rates were 93.33 and 95.56%, respectively. Furthermore, oil blends tested through contact assays killed larvae when used at higher concentrations; adult emergence was eliminated post‐treatment with doses >30% for oil blend 1 and >10% for oil blend 2. Conclusion: Overall, cinnamon and vetiver oils (5%) were selected as reliable and cheap biopesticides for controlling larvae of <italic>L. sericata</italic>. The tested oils are inexpensive and represent new promising botanical insecticides in the fight against blowflies causing myiasis.
- Subjects
MYIASIS; PUBLIC health; VETIVER; CINNAMON; LAVENDER (Color); MORTALITY; THERAPEUTICS
- Publication
International Journal of Dermatology, 2018, Vol 57, Issue 4, p449
- ISSN
0011-9059
- Publication type
Article
- DOI
10.1111/ijd.13828