Hemimorina dissociata
McDunnough, 1941
Hemimorina dissociata is a rare and the sole member of its . It was first described by James Halliday McDunnough in 1941 based on North American specimens. The species belongs to the Geometridae, commonly known as inchworm or geometer moths. Only eight observations are documented in iNaturalist, indicating it is infrequently encountered.
Pronunciation
How to pronounce Hemimorina dissociata: /ˌhɛmɪmoʊˈriːnə dɪˌsoʊʃiˈeɪtə/
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Identification
As the only in the Hemimorina, identification relies on genus-level characteristics. The species can be distinguished from other Ennominae by its unique combination of wing pattern and structural features that warranted separate generic status. No published diagnostic features are readily available in the provided sources.
Images
Distribution
Found in North America. Specific regional distribution within North America is not documented in available sources.
More Details
Taxonomic status
Hemimorina is a , meaning H. dissociata is the only described . Both genus and species were established simultaneously by McDunnough in 1941.
Observation rarity
With only eight iNaturalist observations recorded, this appears to be rarely documented in the field, though this may reflect specificity, , or limited survey effort rather than true rarity.