The effects of spinosad insecticide to adults of Apis mellifera, Megachile rotundata and Nomia melanderi (Hymenoptera: Apidae)

A tétel rövid nézete
dc.contributor.authorMayer, D. F.
dc.contributor.authorKovács, G.
dc.contributor.authorBrett, B. L.
dc.contributor.authorBisabri, B. L.
dc.date.accessioned2021-06-28T09:57:55Z
dc.date.available2021-06-28T09:57:55Z
dc.date.issued2001-03-21
dc.description.abstractThe toxicity of spinosad to adult female bees tended to be least to the honey bee (Apis mellifera L.) (LD 50 = 0.078 pg/bee), intermediate to the alkali bee (Nomia melanderi) (0.065 pg/bee), and greatest to the alfalfa leafcutter bee (Megachile rotundata (F.)) (0.058 pg/bee), both in topical drop tests and in tests involving spinosad residues on alfalfa (Medicago sativa) foliage. For the calculated LD 50 pg/g, the honey bee (LD 50 = 0.612 pg/g) was the most susceptible followed by the alkali bee (0.773 pg/g) and the leafcutter bee (1.908 pg/g). The honey bee oral LD50 was 0.063 pg/bee and the calculated LD 50 0.492 pg/g. Adding an adjuvant to spinosad sprays did not change the toxicity of spinosad to bees in residue bioassay studies. Spinosad at as high as 500 ppm in feeders containing a sucrose/honey syrup caused no significant reduction in honey bee visitation or total syrup consumed.  en
dc.formatapplication/pdf
dc.identifier.citationInternational Journal of Horticultural Science, Vol. 7 No. 1 (2001) , 93-97.
dc.identifier.doihttps://doi.org/10.31421/IJHS/7/1/257
dc.identifier.eissn2676-931X
dc.identifier.issn1585-0404
dc.identifier.issue1
dc.identifier.jatitleInt. j. hortic. sci.
dc.identifier.jtitleInternational Journal of Horticultural Science
dc.identifier.urihttps://hdl.handle.net/2437/314093en
dc.identifier.volume7
dc.languageen
dc.relationhttps://ojs.lib.unideb.hu/IJHS/article/view/257
dc.rights.accessOpen Access
dc.subjecthoney beesen
dc.subjectApis melliferaen
dc.subjectalkali beeen
dc.subjectNomia melanderien
dc.subjectalfalfa leafcutter beeen
dc.subjectMegachile rotundataen
dc.subjectspinosaden
dc.titleThe effects of spinosad insecticide to adults of Apis mellifera, Megachile rotundata and Nomia melanderi (Hymenoptera: Apidae)en
dc.typefolyóiratcikkhu
dc.typearticleen
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International Journal of Horticultural Science (DE-journals)