Central Sierra
University of California
Central Sierra

Pest Management

Bug Squad

Two Icons: Old Glory and the Glorious Monarch
Posted 5/29/2017 - Two icons, the American flag and the monarch butterfly, are flying high today. The American flag, or "Old Glory," symbolizes our democracy. The 13 stripes represent the 13 colonies that declared--and won--independence from Great Britain. The 50 stars in...

Monarch Sightings in the UC Davis Arboretum: Cause for Celebration
Posted 5/26/2017 - What a delight to see. We strolled through milkweed patches in the UC Davis Arboretum Thursday noon and saw them. Monarchs! The monarch butterflies (Danaus plexippus) are returning from their coastal California overwintering sites. And we're getting...

Christine Merlin and Monarchs: How They Use Their Circadian Clocks for Seasonal Migration
Posted 5/25/2017 - Did you know that monarch butterflies use a circadian clock to navigate to their overwintering sites during their seasonal long-distance migration? Yes, they do, says a Texas A&M researcher. Christine Merlin, an assistant professor in Texas...

Bumble Bees: Pollen Power in the Phacelia
Posted 5/24/2017 - Talk about pollen! The bumble bees, Bombus vandykei (as identified by Robbin Thorp, distinguished emeritus professor of entomology at the University of California, Davis), were buzzing all over the Phacelia last week on the central campus. One bumble...

Meet Big Red, the Flameskimmer
Posted 5/23/2017 - Big Red visited us for four consecutive days. The red flameskimmer dragonfly, Libellula saturata, zigged and zagged into our pollinator garden in Vacaville, Calif. and perched on a bamboo stake for five hours at a time. Occasionally, he'd hunt--lift...

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