Nyholmia confusa
(Brown, 1930)
Nyholmia confusa is a of in the . The species was originally described by in 1930 under the Cyphon as Cyphon confusus, and has since been reclassified under the genus Nyholmia. It is known from eastern North America, with records from Canada including New Brunswick, Newfoundland, Nova Scotia, and Ontario. Like other members of Scirtidae, this species is associated with moist or aquatic environments.

Pronunciation
How to pronounce Nyholmia confusa: /niːˈhɔlmiːə kənˈfjuːsə/
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Habitat
Associated with marshy or moist , consistent with the '' applied to members of the . Specific microhabitat preferences for this are not documented.
Distribution
Eastern North America. Documented from Canadian provinces: New Brunswick, Newfoundland, Nova Scotia, and Ontario. Distribution in the United States, if present, is not clearly established in available sources.
Similar Taxa
- Other Nyholmia species within the Nyholmia would share general body plan and preferences, requiring detailed examination for separation.
- Cyphon speciesOriginally described in this ; morphological similarity necessitated taxonomic revision to separate Nyholmia from Cyphon.
More Details
Taxonomic History
Originally described as Cyphon confusus , 1930. Later transferred to the Nyholmia, though GBIF currently lists it as a synonym of Cyphon confusus, indicating ongoing taxonomic uncertainty or alternative schemes in use.
Data Availability
This is extremely poorly documented in the literature. Only one observation is recorded in iNaturalist, and no detailed biological studies have been identified. Most aspects of its biology remain unknown.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- UC Davis-Based Projects: To Bee or Not to Bee? | Bug Squad
- Diversity of Bugs at Bohart Museum of Entomology | Bug Squad
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