Butterflies of Berea: The Monarch in all its stages
These photos capture the 2-week transformation of an individual caterpillar into a monarch butterfly. Monarchs lay eggs on milkweed plants because milkweed is the only food baby caterpillars eat; and this hungry caterpillar ate every leaf before forming its chrysalis. By eating milkweed, monarchs ingest cardenolides, steroid compounds that make
August 24, 2025