Funding for this research was provided by:
BASF Corporation (23C605)
Received: 16 December 2019
Accepted: 3 June 2020
First Online: 12 June 2020
Ethics approval and consent to participate
: Ethical committee approval was not required for this study as it was conducted in the US where research involving animals is regulated by the Animal Welfare Act of 1966 and overseen by the Institutional Animal Care and Use Committee, which does not require approval for studies involving invertebrates, with the exception of cephalopods. Furthermore, while monarch and queen butterflies were observed in this study, these were not interfered with in any way.
: Not applicable.
: The authors declare that they have no competing interests.