Cited by 37Genetically Modified Organisms ResearchInsect Resistance and GeneticsInsect-Plant Interactions and Control

Environmental risk assessment for the small tortoiseshell Aglais urticae and a stacked Bt‐maize with combined resistances against Lepidoptera and Chrysomelidae in central European agrarian landscapes

SCHUPPENER, MECHTHILD, MÜHLHAUSE, JULIA, MÜLLER, ANNE‐KATRIN, RAUSCHEN, STEFAN·2012·Molecular Ecology

Abstract

The cultivation of Lepidoptera-resistant Bt-maize may affect nontarget butterflies. We assessed the risk posed by event MON89034 × MON88017 (expressing Cry1A.105 and Cry2Ab2 against corn borers) to nontarget Lepidoptera. Using the small tortoiseshell Aglais urticae, a butterfly species common in central Europe, as a test organism we (i) assessed the toxicity of Bt-maize pollen on butterfly larvae; (ii) measured pollen deposition on leaves of the host plant Urtica dioica; (iii) mapped the occurrence and distribution of host plants and larvae in two arable landscapes in Germany during maize anthesis; and (iv) described the temporal occurrence of a 1-year population of A. urticae. (i) Larvae-fed 200 Bt-maize pollen grains/cm(2) had a reduced feeding activity. Significant differences in developmental time existed at pollen densities of 300 Bt-maize pollen grains/cm(2) and in survival at 400 grains/cm(2). (ii) The highest pollen amount found was 212 grains/cm(2) at the field margin. Mean densities were much lower. (iii) In one region, over 50% of A. urticae nests were located within 5 m of a maize field, while in the other, all nests were found in more than 25 m distance to a maize field. (iv) The percentage of larvae developing during maize anthesis was 19% in the study area. The amount of pollen from maize MON89034 × MON88017 found on host plants is unlikely to adversely affect a significant proportion of larvae of A. urticae. This paper concludes that the risk of event MON89034 × MON88017 to populations of this species is negligible.

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Crossref · 10.1111/j.1365-294x.2012.05716.x

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  • During pollen shed, butterfly larvae are likely to ingest certain amounts of pollen grains together with their food plant.

    “During the period of pollen shed, butterfly larvae are likely to ingest certain amounts of pollen grains together with their food plant (Perry et al., 2010;Schuppener et al., 2012;Shelton and Sears, 2001).”

    From Genetically engineered crops help support conservation biological control (2019) · cites this paper as Schuppener et al., 2012

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Authors
SCHUPPENER, M., MÜHLHAUSE, J., MÜLLER, A., & RAUSCHEN, S.
Affiliations
  • RWTH Aachen University (DE)
  • University of Göttingen (DE)
Corresponding author
SCHUPPENER, MECHTHILD
Venue
Molecular Ecology
Publisher
Wiley
Published
2012-07-31
Volume
21
Issue
18
Pages
4646-4662
ISSN
  • 0962-1083 (ISSN-L)
  • 1365-294X
OpenAlex
W2151426328
Cited by
37
References
56
Citations by year
2025: 1 · 2024: 1 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 5 · 2018: 5 · 2017: 5 · 2016: 2 · 2015: 4 · 2014: 4 · 2013: 2
FWCI
3.65
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Ecology (publishedVersion)
  • PubMed (publishedVersion)
  • GRO (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetically Modified Organisms Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Insect Resistance and Genetics
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect-Plant Interactions and Control
Keywords
small tortoiseshell, Bt maize, Cry1A.105, Cry2Ab2, Urtica dioica, larval survival, arable landscape, Central Europe, environmental risk assessment
MeSH terms
Bacillus thuringiensis Toxins, Animals, Bacillus thuringiensis, Bacterial Proteins, Butterflies, Zea mays, Endotoxins, Germany, Hemolysin Proteins, Larva, Pollen, Risk Assessment, Plants, Genetically Modified, Herbivory

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