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University of California
Cooperative Extension San Joaquin County
Posts Tagged: monarch decline
A Troubling Question: Why Are the Monarchs Declining in the West?
The question is troubling: What's going on with the monarch butterfly population in the West? The Xerces Society for Invertebrate Conservation reported this week that its Western Monarch Thanksgiving Count shows a decline for the second consecutive...
A male monarch nectaring on Mexican sunflower (Tithonia) in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A monarch sipping nectar from its host plant, milkweed. (Photo by Kathy Keatley Garvey)