<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><span style="font-size: large;" class="">Prof. John Pleasants </span><span style="font-size: large;" class="">at Iowa State University </span><span style="font-size: large;" class="">has said the elimination</span></div><div class=""><span style="font-size: large;" class="">of milkweed within midwestern </span><span style="font-size: large;" class="">crop fields was </span><span style="font-size: large;" class="">essentially complete by </span></div><div class=""><span style="font-size: large;" class="">2006. </span></div><div class=""><span style="font-size: large;" class=""><br class=""></span></div><div class=""><span style="font-size: large;" class="">Thus the main source of midwestern summer </span><span style="font-size: large;" class="">monarch breeding habitat </span></div><div class=""><span style="font-size: large;" class="">destruction </span><span style="font-size: large;" class="">was largely halted by 2006. Thus it’s not </span><span style="font-size: large;" class="">surprising the sizes </span></div><div class=""><span style="font-size: large;" class="">of the Mexican </span><span style="font-size: large;" class="">overwintering colonies h</span><span style="font-size: large;" class="">ave been relatively stable from </span></div><div class=""><span style="font-size: large;" class="">2007 onwards.</span></div><div class=""><div class=""><font size="4" class=""><br class=""></font></div><div class=""><font size="4" class="">Paul Cherubini</font></div><div class=""><font size="4" class="">El Dorado, Calif.</font></div></div></body></html>