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lanternfly

[lan-tern-flahy]
noun, plural lan·tern·flies.
  1. any of several large tropical insects of the family Fulgoridae, formerly thought to be luminescent.
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Origin of lanternfly

First recorded in 1745–55; lantern + fly2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018