Use este identificador para citar ou linkar para este item: https://locus.ufv.br//handle/123456789/19738
Tipo: Artigo
Título: Sub-lethal effects of essential oil of Lippia sidoides on drywood termite Cryptotermes brevis (Blattodea: Termitoidea)
Autor(es): Santos, Abraão Almeida
Oliveira, Bruna Maria Santos de
Melo, Carlisson Ramos
Lima, Ana Paula Santana
Santana, Emile Dayara Rabelo
Blank, Arie Fitzgerald
Picanço, Marcelo Coutinho
Araújo, Ana Paula Albano
Cristaldo, Paulo Fellipe
Bacci, Leandro
Abstract: The drywood termite Cryptotermes brevis (Walker, 1853) (Kalotermitidae) is one of the most important wood structural pest in the world. Substances from the secondary metabolism of plants (e.g., essential oils) have been considered an environmentally safer form of control for urban pests, such as termites. In the present study, we analyzed the lethal and sub-lethal effects of essential oil of Lippia sidoides and its major components on C. brevis pseudergates in two routes of exposure (contact and fumigation). The essential oil of L. sidoides and thymol were more toxic to C. brevis pseudergates when applied by contact (LD50 = 9.33 and 8.20 µg mg−1, respectively) and by fumigation (LC50 = 9.10 and 23.6 µL L−1, respectively). In general, treatments changed the individual and collective behaviors of C. brevis pseudergates, as well as the displacement and walking speed. The essential oil of L. sidoides and its major components showed a high potential to control C. brevis pseudergates, due to the bioactivity in the two routes of exposure and the sub-lethal effects on the behavior and walking, important activities for the cohesion of C. brevis colonies.
Palavras-chave: Botanical insecticides
Collective behavior
Isoptera
Terpenes
Editor: Ecotoxicology and Environmental Safety
Tipo de Acesso: Elsevier Inc.
URI: https://doi.org/10.1016/j.ecoenv.2017.07.057
http://www.locus.ufv.br/handle/123456789/19738
Data do documento: 24-Jul-2017
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