Orthosia tenuimacula
(Barnes & McDunnough, 1913)
Orthosia tenuimacula is a of cutworm moth in the Noctuidae, first described from North America in 1913. The species belongs to a of early spring-emerging , with typically active during March and April. Like other Orthosia species, it likely overwinters in the pupal stage. The specific epithet 'tenuimacula' (slender spot) refers to a marking on the forewing. Very few observations exist for this species, suggesting it may be genuinely rare, undercollected, or restricted to specific .
Pronunciation
How to pronounce Orthosia tenuimacula: /ɔrˈθoʊsiə ˌtɛnjuːɪˈmækjʊlə/
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Distribution
North America. Specific range details beyond continental presence are not documented.
Seasonality
have been recorded in early spring, consistent with the pattern of March-April .
Similar Taxa
- Orthosia cerasiBoth are early spring Orthosia with similar periods, but O. cerasi is more common and widespread with better-documented
- Orthosia gothicaShares spring timing and general appearance, but O. gothica has distinctive dark forewing markings that differ from O. tenuimacula's slender spot pattern
- Orthosia hibisciSimilar size and seasonality; O. hibisci is distinguished by more pronounced speckling and broader distribution records