WSU researcher finds western monarch butterflies can successfully breed and maintain populations on ornamental milkweeds during winter at urban sites in the South Bay of San Francisco.
A large number of Monarch butterflies was found breeding in California this winter, giving one researcher hope for their continued survival in the Western U.S.
WALLA WALLA, Wash.—Gilbert London stands in front of a blue plastic food-storage barrel converted into a Monarch butterfly-rearing cage. Inside, roughly two dozen opaque-green chrysalises hang from milkweed plants like living jewels. In roughly 10 days, the chrysalises London helped to raise will yield the iconic adult butterflies with orange-and-black wings. He and five other […]