They lay their eggs on milkweed vegetation—the one foodstuff their caterpillars can eat—and afterwards die. This new era proceeds the journey north, and the method repeats for three to four generations through the entire spring and summer, spreading the monarch population over the northern U.S. and into Canada.7 ExpressVPN's https://spencerpxwwy.bloggosite.com/44787435/camion-grua-an-overview