Megalodacne heros
(Say, 1823)
pleasing fungus beetle
Megalodacne heros is a of pleasing fungus beetle in the Erotylidae, found in North America. The species exhibits activity patterns and is associated with fungal . Commonly known as the pleasing fungus beetle, it is one of the more frequently observed members of its , with over 3,700 observations recorded on iNaturalist.



Pronunciation
How to pronounce Megalodacne heros: //mɛˌɡæloʊˌdækniː ˈhiːroʊs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other pleasing fungus beetles by its larger size within the Megalodacne. Specific diagnostic features for field identification are not documented in available sources.
Images
Habitat
Associated with fungal , consistent with -level of Erotylidae.
Distribution
North America, including Canada (Ontario, Québec) and the United States (Vermont and broader range).
Behavior
activity patterns have been documented in ecological studies.
Human Relevance
Occasionally found indoors, as evidenced by a verified report from southern Ireland where an individual was discovered in a kitchen, likely transported via human activity.
Similar Taxa
- Other Megalodacne species-level similarity in and preference; M. heros distinguished by larger size
- Other Erotylidae-level resemblance in body form and association with fungi; specific identification requires detailed examination
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Of Lady Beetles and Green Fruit Beetle Larvae | Bug Squad
- New Bug Blogs of note | Beetles In The Bush
- Oklahoma is More than OK for Burying Beetles
- North America’s largest centipede | Beetles In The Bush
- Studies in Nocturnal Ecology, IV. Megalodacne Heros