Spiral Paperback size: 5 1/2" x 8 3/4" with 14 pgs. - Department of Ecology, Evolution and Behavior; University of Minnesota. Copyright 1977. Produced with the support of the National Science Foundation. This guide will aid in recognizing eggs and sitinguishing larval instars of monarch butterflies in the field. Before going into the field to look for monarchs, we recommend reading the anatomy and molting sections of this field guide. Be sure to note the magnification on the drawings. Happy monarch hunting!
