2020
DOI: 10.3897/biorisk.15.59823
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Selection of non-target Lepidoptera species to test Bt maize effects in the laboratory: which species and how to breed them?

Abstract: Bt maize targeting Lepidopteran pests poses potential risks for non-target (NT) butterflies and moths which are addressed in the environmental risk assessment of genetically modified crop plants. For this purpose, eco-toxicological tests are often conducted with specific NT species in the laboratory in order to assess possible adverse effects. As only a limited number of surrogate species can be addressed, the choice of focal species to be tested is an important decision. However, practical and standardised se… Show more

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Cited by 4 publications
(5 citation statements)
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“…For the assessment of NTLs, the criteria to derive the SSD should include a broad taxonomic range of species and different larval sizes (Lang et al, 2020) because the latter will influence the intake dose (fewer pollen grains represent a higher dose in small larvae). The LC 50 values used in the current case were identical to those used for the EU risk assessment (EFSA, 2011).…”
Section: Ecotoxicological Data and Ssdmentioning
confidence: 99%
“…For the assessment of NTLs, the criteria to derive the SSD should include a broad taxonomic range of species and different larval sizes (Lang et al, 2020) because the latter will influence the intake dose (fewer pollen grains represent a higher dose in small larvae). The LC 50 values used in the current case were identical to those used for the EU risk assessment (EFSA, 2011).…”
Section: Ecotoxicological Data and Ssdmentioning
confidence: 99%
“…Consideration of TOs and NTOs in other GM biocontrol applications does little to clarify the position. For example, Cry1 class insecticidal proteins from Bacillus thuringiensis expressed in GM plants can adversely affect lepidopterans other than the target pest species, including protected butterflies [41,42]. Yet, those species are not classified as TOs [43,44].…”
Section: Precedents In Defining Tos In Gmo Applicationsmentioning
confidence: 99%
“…Overall, the adverse effects of Bt crops on non-target lepidopterans have been studied only in a dozen of species worldwide. Thus, due to restriction of data to such a limited number of species, it is difficult to draw general conclusions on the level of risk for butterflies and moths (Lang and Otto, 2010;Lang et al, 2019;Lang et al, 2020).…”
Section: Butterflies and Mothsmentioning
confidence: 99%