Rosemary beetle (Chrysolina americana) belongs to the leaf beetles (Chrysomelidae). These 8 mm large striking beet
The larva is dark gray and eats the leaves of rosemary, lavender, thyme and sage, among others, and can cause extensive crop damage.
When in danger, the rosemary beetle retracts antennae and legs.
There are no known natural enemies commercially available to control rosemary beet
Difficult to control; catch and remove beet
Strongly scented plants (garlic, marigolds) are said to keep the rosemary goldenrod at bay. Netting will stop adults beet