Holly Blue
Insect
A pale, silvery-blue butterfly that flies high around holly and ivy. Its spring brood feeds on holly and its summer brood on ivy, giving it two generations each year.
💡 Fun Facts
- The Holly Blue is often the first blue butterfly of the year, flitting high around gardens and hedges.
- It has a clever two-brood habit: spring caterpillars feed on holly, and summer ones feed on ivy.
- Its numbers rise and fall in cycles, partly controlled by a tiny parasitic wasp that hunts its caterpillars.
📅 Through the Year
- Active:April to September