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A cicada displaying ventral pruinescence
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Mature male common whitetail with pruinescence covering the abdomen
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Pruina on plums
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Characteristic pruina on cap of Collybia phyllophila
Pruinescence /ˌpruːɪˈnɛsəns/,[1] or pruinosity, is a "frosted" or dusty-looking coating on top of a surface. It may also be called a pruina (plural: pruinae), from the Latin word for hoarfrost.[2][3] The adjectival form is pruinose /ˈpruːɪnoʊs, -z/.
HPTCLGD
was invoked but never defined (see the help page).