Evaluation of hyperactivity produced by pyrethroid treatment on third instar nymphs of Triatoma infestans (Hemiptera:Reduviidae)

Archives of Insect Biochemistry and Physiology
R A AlzogarayE N Zerba

Abstract

The hyperactivity produced in third instar nymphs of Triatoma infestans by their exposure to films of deltamethrin or cis-permethrin was evaluated. Both pyrethroids produced a significant increase in locomotor activity at 26 and 36 degrees C but not at 16 degrees C. At 26 degrees C, only deltamethrin produced hyperactivity when topically applied on the dorsal side of the nymph's abdomen. However, both pyrethroids produced hyperactivity when topically applied on the head of the nymphs. Hyperactivity was not observed when nymphs were treated with N-ethylmaleimide (20 micrograms/insect) before exposure to the pyrethroids. The effect of both insecticides on locomotor activity reversed the inhibitory influence on locomotion elicited by contact with the walls of the experimental arena (thigmotaxis).

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Citations

Apr 12, 2000·Medical and Veterinary Entomology·R A AlzogarayE N Zerba
Jan 1, 2014·PloS One·Valeria SfaraRaúl A Alzogaray
Feb 29, 2016·Pharmacological Reports : PR·Barbara Nieradko-Iwanicka, Andrzej Borzęcki
Jan 22, 2008·Neurotoxicology and Teratology·M J Wolansky, J A Harrill
Dec 20, 2007·Archives of Insect Biochemistry and Physiology·Valeria SfaraRaúl A Alzogaray
Apr 27, 2016·Journal of Insect Physiology·Raúl A Alzogaray, Eduardo N Zerba
Mar 29, 2001·Archives of Insect Biochemistry and Physiology·R A Alzogaray, E N Zerba
Aug 8, 2008·Pest Management Science·Raul Narciso C GuedesJames E Throne
Oct 14, 2020·Proceedings of the National Academy of Sciences of the United States of America·Jingxiang YangBart Kahr
Feb 25, 2021·Environmental Toxicology and Chemistry·Christian KjaerMorten Strandberg

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