Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Efficacy of 2 Commercial Formulations of Bacillus thuringiensis H-14 in Larvae of Anopheles albimanus W and Aedes aegypti L (Diptera: culicidae).

Version 1 : Received: 26 October 2020 / Approved: 28 October 2020 / Online: 28 October 2020 (08:34:44 CET)

How to cite: Garza-Almanza, V.; Ulíbarri, G.; Sanchez-Yañez, J.M. Efficacy of 2 Commercial Formulations of Bacillus thuringiensis H-14 in Larvae of Anopheles albimanus W and Aedes aegypti L (Diptera: culicidae).. Preprints 2020, 2020100570 (doi: 10.20944/preprints202010.0570.v1). Garza-Almanza, V.; Ulíbarri, G.; Sanchez-Yañez, J.M. Efficacy of 2 Commercial Formulations of Bacillus thuringiensis H-14 in Larvae of Anopheles albimanus W and Aedes aegypti L (Diptera: culicidae).. Preprints 2020, 2020100570 (doi: 10.20944/preprints202010.0570.v1).

Abstract

The bacterial genus and species of Bacillus thuringiensis var israelensis (Bti), is entomotoxic, used in the biological control of mosquito vectors of human diseases, such as malaria and dengue. Following the studies carried out in Mexico and Guatemala with ovillantas, in which the presence of larvae of both species of Anopheles albimanus W and Aedes aegypti L were observed, and with the intention of continuing to develop an ecologically friendly mosquito control, Bti was added to the ovillantas, to improve and already efficient method on the elimination of both types of mosquitoes. The objectives of this work were: to analyze the effectiveness of two commercial formulations of Bti, serovar H-14 (Bactimos) wettable powder, 3,500 ITU, from Biochem prods., and Vectobac, 2,000 ITU wettable powder, (Abbot Lab.) on second and third instars larvae of A. albimanus and Ae. aegypti (Diptera Culicidae). The two formulations were effective against A. albimanus W(higher concentrations), while Ae. aegypti L was very susceptible to Bti, therefore it is proposed for the best control of these genus and vector species of malaria and dengue at adequate concentrations.

Subject Areas

Mosquito vector; biological control; Bacillus thuringiensis; ovillanta; Bti; biolarvicide

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