Large Emerald

The Large Emerald moth is easily characterized by its bright, vibrant green wings, which span an impressive 40 to 56 millimeters. The wings feature faint white and brown cross-lines, helping the insect camouflage perfectly against green foliage. When at rest with its wings spread flat, it looks remarkably similar to a living leaf.

The Large Emerald is widely distributed across Europe and extends throughout the Palearctic region. It is most commonly found in mature woodlands, forests, and heathlands where birch trees are abundant. The moths are nocturnal and can often be spotted flying at night or resting on tree trunks during the day.

The caterpillars of the Large Emerald moth primarily feed on the leaves of broadleaved trees, with a strong preference for birch and hazel. They use their environment to hide, mimicking twigs or stems to avoid predators. Because of this specialized diet, adult females lay their eggs exclusively in areas where these host trees are plentiful.

The Large Emerald belongs to the Geometridae family, which is one of the largest families of moths in the world. This family is commonly known as geometer moths or inchworms, referring to the unique looping way their caterpillars move. The Large Emerald is one of the most visually striking members of this diverse, widespread family.