They lay their eggs on milkweed crops—the one food items their caterpillars can consume—after which die. This new technology continues the journey north, and the procedure repeats for three to 4 generations through the spring and summer season, spreading the monarch inhabitants throughout the northern U.S. and into Canada.7 https://ricardovwsol.activablog.com/36613553/what-does-camion-pluma-mean