Pennsylvania Butterflies & Pollinators: A Folding Pocket Guide to Familiar Species

Across Pennsylvania's forests, wetlands, and grasslands are thousands of species of flowering plants, which attract almost 150 species of butterflies. Throughout the blooming season, even casual observers can regularly see such standouts as Red-spotted Purple, Hackberry Emperor, Zebra Swallowtail, and Monarch-and it's not just butterflies making regular visits to flowers. The Keystone State is packed with great places for observing hummingbirds, bees, butterflies, moths, wasps, flies, and b...