Seasonal monarch butterfly migrations may help lower infection levels

Friday, November 27, 2015 - 16:40 in Biology & Nature

Seasonal migrations may help lower infection levels in wild North American monarch butterfly populations, according to a new study. The authors posit that these results combined with recent observations of sedentary, winter-breeding monarch populations in the southern U.S. indicate that the shifts from migratory to sedentary behavior may lead to greater infection for North American monarchs.

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