plural noun
Noc·​tu·​i·​dae | \ näkˈtüəˌdē\

Definition of Noctuidae

: a large nearly cosmopolitan family of medium-sized stout-bodied dull-colored night-flying moths with usually naked larvae that include many destructive agricultural pests (as the cutworms and armyworms) — see noctua , owlet moth — compare bollworm, cotton leafworm, dagger moth, underwing

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History and Etymology for Noctuidae

New Latin, from Noctua, type genus + -idae

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not constant or steady

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