Monarchs of the West

An illustrated natural history of the Western population of the Monarch butterfly (Danaus plexippus) with a special chapter on the Milkweed (Asclepias) species found west of the Rocky mountains, with growing instructions. The book covers the external and internal anatomy of the butterflies, their life cycle, navigation abilities, migration, metamorphosis, diseases, predators, threats that have caused their catastrophic population decline, an extensive glossary, and resources for further information.