1. Adult with metathoracic tympanal organs, without scales at the base of the proboscis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Noctuidae*, Bellura
Adults with abdominal tympanal organs, with scales at the base of the proboscis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Crambidae
*OEPA does not carry Noctuidae beyond family level.
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Key to Lepidoptera Adult Families