Lepidoptera: Danaidae - A World Record
”The longest documented one-way record for a monarch is 1,870 miles (3,009 km). This butterfly was tagged 18 Sep 1957 in Highland Creek, Ontario, Canada, and recaptured 25 Jan 1958 in Estacion Catorce, San Luis Potosi, Mexico (Urquhart 1960).”
University of Florida Book of Insect Records
ufbir.ifas.ufl.edu/chap35.htm
20 Mar 2008 withersteen
