Bug Squad

Life and death in the bee observation hive... If you ever have the opportunity to check out a bee observation hive--a glassed-in hive showing the colony at work--you can easily spot the three castes: the queen bee, worker bees and drones.

It's a blue day for the honey bees. The massive Northern California storm--one of our worst-ever storms and marked by heavy rains and equally strong winds--means that bees are clustering inside their hives. No foraging today.

Here's a "cold case" to investigate. Check your backyard or neighborhood park and see if a praying mantis has deposited an egg case on a tree limb, plant or fence. Case in point: Over at the Harry H. Laidlaw Jr.

It's not a pretty sight--the Varroa mite attacking a honey bee. Beekeepers are accustomed to seeing the reddish-brown, eight-legged parasite (aka "blood sucker") in their hives. UC Davis bee breeder-geneticist Susan Cobey, manager of the Harry H. Laidlaw Jr.

Caught between a rock and a...soft place... You'll often see tiny sweat bees nectaring rock purslane (Calandrinia grandiflora) in urban gardens. This plant, a native of Chile, brightens landscapes with its pinkish magenta blossoms.