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pulvinaria

noun
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pul·​vi·​nar·​ia | \ ˌpəlvəˈna(a)rēə \

Definition of pulvinaria

1 capitalized : a genus of scales in which the females are large, flat, and nearly circular and secrete a cottony egg case — see cottony maple scale
2 plural -s : any insect of the genus Pulvinaria

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History and Etymology for pulvinaria

New Latin, from Latin pulvinus cushion + New Latin -aria; from the appearance of the egg case

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“Pulvinaria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pulvinaria. Accessed 20 Oct. 2020.

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