lanternfly

from The Century Dictionary.

• noun Any insect of the family Fulgoridæ, supposed to emit a strong light in the dark.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) any one of several species of large, handsome, brightly marked, tropical hemipterous insects of the genera Laternaria, Fulgora, and allies, of the family Fulgoridæ. The largest species is Laternaria phosphorea of Brazil. The head has a snoutlike process in some species which was formerly thought to emit a phosphorescent light.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun large brightly marked tropical insect with a process like a snout that was formerly thought to emit light
• noun large brightly marked tropical insect with a process like a snout that was formerly thought to emit light