Acaricidal activity of the hyacinthacine analogues derived from pyrrolizidine alkaloids on Rhipicephalus (Boophilus) microplus

This study reports the effect of six hyacinthacine analogues derived from pyrrolizidine alkaloids on egg hatchability and mortality rates of newly hatched larvae of the cattle tick Rhipicephalus (Boophilus) microplus. All the compounds were toxic to the larvae of the ticks and inhibited the eggs hat...

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Bibliographic Details
Published in:Parasitology research (1987) 2008-08, Vol.103 (3), p.723-726
Main Authors: Duarte, Mônica Oliveira, Ferrarini, Stela Regina, Pazinatto, Mariane, de Oliveira, Eduardo Rolim, Rolim, Verônica, Eifler-Lima, Vera Lucia, Ribeiro, Vera Lucia Sardá, von Poser, Gilsane
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Fundamental and applied biological sciences. Psychology
General aspects
General aspects and techniques. Study of several systematic groups. Models
Immunology
Insecticides - pharmacology
Invertebrates
Medical Microbiology
Microbiology
Molecular Structure
Pyrrolizidine Alkaloids - pharmacology
Rhipicephalus - drug effects
Short Communication
Survival Analysis
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Summary:This study reports the effect of six hyacinthacine analogues derived from pyrrolizidine alkaloids on egg hatchability and mortality rates of newly hatched larvae of the cattle tick Rhipicephalus (Boophilus) microplus. All the compounds were toxic to the larvae of the ticks and inhibited the eggs hatchability in the higher concentration tested (5 μg/ml). Even in the lowest concentration (0.625 μg/ml), some effect in the eggs hatchability was observed.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-008-1022-4