The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...
A pheromone is released from tiny black scent ... on to munch the milkweed leaves. The caterpillars exclusively eat milkweed. Try showy, common or swamp milkweed and butterfly weed.
The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...
The butterfly almost exclusively eats the leaves of a plant called devil’s-bit scabious, which has also suffered from habitat loss and changes in farming practices. In September, thirteen ...