===== Transgenic corn harms monarch larvae (1999) =====
  * [[http://www.mindfully.org/GE/Transgenic-Pollen-Monarch20may99.htm|Reference]]

==== Critical Reviews ====

=== Editorials ===

  * [[http://parrottlab.uga.edu/ProfParrott/monarch1999.html|GMO corn kills monarch butterflies. By Professor Parrott.]]
  * [[http://www.nature.com/news/1998/010913/full/news010913-12.html|Monarchs safe from Bt. By Tom Clarke in Nature.]]
  * [[http://www.uwex.edu/ces/grains/monarchbt1.htm|Sorting through the butterfly/Bt pollen issues. By John Wedberg.]]

=== Regulatory issues ===

  * [[https://www.ars.usda.gov/sites/monarch/sect2_4.html|Commercial status of Event 176 corn.]]

=== Scholarly works === 

  * [[http://www.pnas.org/content/98/21/11913.full|Temporal and spatial overlap between monarch larvae and corn pollen (2001). Oberhauser et al.]]
  * [[http://oberhauserlab.cfans.umn.edu/files/2012/10/Sears-et-al.-Bt-Corn-Impact-on-Monarchs-2001.pdf|Impact of Bt corn pollen on monarch butterfly populations: A risk assessment (2001). Sears et al.]]
  * [[http://www.biosicherheit.de/pdf/dokumente/bt-monarch-maryland.pdf|Effects on monarch butterfly larvae (Lepidoptera : Danaidae) after continuous exposure to Cry1Ab-expressing corn during anthesis (2004). Dively et al.]]

=== Discussions === 

  * [[https://www.facebook.com/groups/GMOSF/permalink/302711656534758/|GMO SkeptiForum discussion of monarch butterflies on Facebook]]