If you’ve noticed a lot of monarch butterflies (Danaus plexippus) lately, you’re not alone. From my own observations and from what people have been telling me, this summer appears to have been a very successful one for them; at least in this part of the northeast.
Monarchs have four life stages; egg, larva (caterpillar), pupa, and adult (butterfly). The caterpillars feed only on milkweed leaves and seed pods. And, for this reason, adult Monarch females lay their eggs only on milkweed. In fact, the search for milkweed is the sole reason for monarch migration; perhaps the most remarkable migration in nature. » Continue Reading.