description Purple bar moth Overview
The Purple Bar (Cosmorhoe ocellata) is a species of geometrid moth found across Europe and extending into parts of Asia. The adult moth is characterized by predominantly white forewings traversed by distinctive dark purple-brown bands, giving the species its common name. It inhabits woodland margins, hedgerows, and gardens where larvae feed on bedstraw species, particularly cleavers (Galium aparine). Adults are typically active from May through July, with one or two generations per year depending on climate.
help Purple bar moth FAQ
What does the Purple Bar Moth look like?
The Purple Bar Moth (Cosmorhoe ocellata) is a widespread European geometrid moth characterized by its striking dark purple-brown bands. These bold bands cross prominently over the moth's primarily white forewings, making it highly recognizable.
Where can the Purple Bar Moth be found?
This moth is found widely across Europe and parts of the Palearctic realm, thriving in a variety of habitats. It is commonly spotted in woodlands, hedgerows, gardens, and damp meadows.
What is the wingspan of the Purple Bar Moth?
The wingspan of the Purple Bar Moth typically ranges from 20 to 25 millimeters. Despite its relatively small size, the distinct ocellated markings on its wings give it a unique visual profile among European moths.
When do Purple Bar Moths fly?
Adult Purple Bar Moths generally fly during the summer months, typically from May through August, depending on the climate. They are nocturnal and are most frequently observed resting during the day or flying toward light traps at night.
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