description Small emerald Overview
The small emerald, Hemistola chrysoprasaria, is a geometrid moth found in Europe and parts of western Asia. Adults have pale green wings crossed by fine whitish lines, although the green coloration commonly fades after death or with age. Its caterpillars feed chiefly on traveller's joy, Clematis vitalba, and the species is consequently associated with hedgerows, scrub, woodland margins, and other places where that climbing plant grows.
help Small emerald FAQ
What is the scientific name of the small emerald moth?
The small emerald is Hemistola chrysoprasaria, a geometrid moth found across Europe and parts of western Asia. Adults are known for pale green wings crossed by fine whitish lines.
Why do small emerald moths sometimes lose their green color?
The green wing color commonly fades after the moth dies or as an old specimen ages. A faded museum specimen may therefore look less green than a living adult.
What do small emerald caterpillars eat?
The caterpillars feed chiefly on traveller's joy, the climbing plant Clematis vitalba. This food-plant link helps distinguish the species from other small green geometrid moths.
Which moth family contains the small emerald?
The small emerald belongs to Geometridae, the family commonly called the geometer moths. Its scientific name is Hemistola chrysoprasaria, and its delicate green pattern is a key field clue.
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