Viburnum leaf beetle larvae are greenish-yellow and develop dark spots as they age. (Tom Tiddens / Chicago Botanic Garden) By Tim Johnson. PUBLISHED: June 9, 2024 at 5:00 AM CDT.

To protect themselves, some leaf beetle larvae have developed sophisticated mechanisms. Upon being disturbed, they emit a deterrent from their defensive glands as little droplets on their back.

Lily leaf beetle larvae cause significant damage to true lilies and fritillaries. Adult beetles are known to occasionally feed on other plants, like hollyhocks, hostas, lily of the valley, potato ...

The larvae are disgusting; they are soft and slug-like, but that’s not the worst of it. To protect themselves, they carry their excrement on their backs which makes them less desirable to predators.

Larvae were collected and sent to the U.S. Department of Agriculture for official confirmation, and state officials learned last week that the insect was indeed a viburnum leaf beetle.

True lilies such as 'Mrs. R.O. Backhouse' can be severely damaged by lily leaf beetles, a relatively new pest in Central New York. The insects have been spreading from New England, where they were ...

The viburnum leaf beetle is a heavy feeder that can completely defoliate viburnums. Both larvae and adults feed on the leaves and remove leaf tissue between the midrib and larger veins.

Leaf beetle larvae secrete defensive compound when feeding Date: December 9, 2013 Source: Max Planck Institute for Chemical Ecology Summary: Scientists have discovered the decisive biological ...