British Wildlife 23.5 June 2012

Adventures with caterpillars. The larval stage of the Purple Emperor butterfly

Few British butterflies can be as challenging subjects for ecological study as the Purple Emperor Apatura iris. For a start, the adults are canopy-dwellers that occur at low population density in the UK, at least in the modern era. Moreover, they are active only intermittently, during the four high-summer weeks that constitute the insect's flight season.

Identification: Duckweeds and other simple floating aquatic plants Reserve Focus: Cabin Hill National Nature Reserve, Merseyside
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