Lambdina laeta
(Hulst, 1900)
Lambdina laeta is a of geometrid in the Geometridae, first described by Hulst in 1900. It belongs to the Lambdina, which includes several North American geometer moths. The species is recorded from North America, though specific details about its and remain limited in available sources.

Pronunciation
How to pronounce Lambdina laeta: /læmˈdiːnə ˈliːtə/
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Distribution
North America. Specific range details beyond continental distribution are not documented in available sources.