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Posts Tagged: monarch butterflies

The Bad News About the Monarch Population

A monarch butterfly nectaring on a butterfly bush in Sacramento. (Photo by Kathy Keatley Garvey)

Good news: The first day of spring. Bad news: The future of the Eastern, migratory population of the monarch butterflies. Research published today in Scientific Reports indicates there's a "quasi-extinction risk" for the Eastern, migratory...

Posted on Monday, March 21, 2016 at 6:00 PM

How Many Overwintering Monarchs in California?

Monarch butterfly feeding on milkweed. (Photo by Kathy Keatley Garvey)

There's good news and not-so-good news about the Western Monarch Thanksgiving Count in California. Last December the Xerces Society for Invertebrate Conservation released preliminary figures. Now they've announced the final tally: almost 272,000...

Posted on Thursday, February 11, 2016 at 5:52 PM

Surprising Results in Monarch Study

Overwintering monarchs at the  Coronado Butterfly Preserve in Ellwood, Calif. (Photo by Louie Yang)

You can't really say that "monarch butterflies are back in the news again,"  because they've never really left. Thankfully! The more we know about monarch butterflies, the better we can understand them and help conserve them. Newly published...

Posted on Tuesday, January 26, 2016 at 11:29 AM

Ready for Parasitoid Palooza II? Bohart Museum Open House on Sunday, Jan. 10

A wasp  parasitizing aphids. These wasps are from the family Aphidiinae. (Photo by Fran Keller)

If you've ever tried to rear monarch butterflies, you may have encountered a caterpillar parasitized by a tachinid fly, which oviposits or injects its eggs into it. The fly's life cycle continues, but the host dies.  The tachinid fly is a...

Posted on Tuesday, January 5, 2016 at 1:48 PM

Saving the Monarchs: Saving the Sacred Trees

A monarch butterfly nectaring on its host plant, milkweed, in Vacavile, Calif. Monarchs west of the Rockies overwinter along the California coast, and monarchs east of the Rockers overwinter in central Mexico. (Photo by Kathy Keatley Garvey)

We can help save the monarch butterflies by saving the "sacred" trees in central Mexico where most of the migrating population overwinters. Science journalist Janet Marinelli, writing in Yalee360,  said it well in her Dec. 21st piece, "To...

Posted on Wednesday, December 23, 2015 at 3:37 PM

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