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Effect of oral exposure to the acaricide pirimicarb, a new varroacide candidate, on apis mellifera feeding rate ArchiMer
Riva, Clemence; Sokolowski, Michel B. C.; Normand, Julien; Santos, Jana Sopkova-de Oliveira; Halm-lemeille, Marie-pierre.
BACKGROUND The ectoparasitic honey bee mite Varroa destructor is one of the main causes related to the gradual decline of honey bees Apis mellifera. Nowadays, beekeepers utilize a wide range of different synthetic acaricides, organic acids and essential oils to keep mite populations under control. A previous work had shown that pirimicarb could be a new varroacide candidate. The aim of this study was to observe the chronic effects on worker honey bees feeding activity after an oral exposure to 1.05 mM of pirimicarb. Long-term effect of a 24 hours exposition to pirimicarb were also tested. RESULTS After three successive trials were performed, no mortality could be detected at the tested concentration, oral exposure to pirimicarb had significant effect on...
Tipo: Text Palavras-chave: Apis mellifera; Varroa destructor management; Acaricide; Pirimicarb; Acetylcholinesterase.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00423/53466/54362.pdf
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Effects of some Insecticides Applied in Sublethal Concentrations on the Survival and Longevity of Aphidius ervi (Haliday) (Hymenoptera: Aphidiidae) Adults Chilean J. Agric. Res.
Araya,Jaime E.; Araya,Manuel; Guerrero,María Angélica.
The effects of four insecticides (dimethoate, pirimicarb, imidacloprid, and spinosad) applied in an ST4 Potter tower at sublethal concentrations (50% of those recommended commercially for aphid control) were studied in the laboratory on aphidiid Aphidius ervi (Haliday) adults, an important parasitoid of the pea aphid Acyrthosiphon pisum (Harris). The most selective treatment on the hymenopteran was imidacloprid, followed in decreasing order by spinosad, pirimicarb, and finally dimethoate, which quickly eliminated the parasitoid and thus its capacity to produce progeny. Three toxicity groups were distinguished in the study. The least damaging treatment to adults of A. ervi was imidacloprid, followed by a group of medium toxicity made up of spinosad and...
Tipo: Journal article Palavras-chave: Dimethoate; Green pea aphid; Imidacloprid; Pirimicarb; Spinosad.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000200005
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