1. Tropical American click beetle having bright luminous spots
   - fire beetle, Pyrophorus noctiluca 
2. Nocturnal beetle common in warm regions having luminescent abdominal organs
   - lightning bug [N. Amer]

Derived forms: fireflies

Type of: beetle, elater, elaterid, elaterid beetle

Part of: family Lampyridae, genus Pyrophorus, Lampyridae, Pyrophorus

Encyclopedia: Firefly

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