Agathidium rubellum
Fall, 1934
Agathidium rubellum is a of round fungus beetle in the Leiodidae, first described by Fall in 1934. The specific epithet "rubellum" refers to a reddish coloration. It is found in eastern North America, with records from Canada and the United States. Like other members of the Agathidium, it is associated with fungal .
Pronunciation
How to pronounce Agathidium rubellum: //æɡəˈθɪdiəm ruːˈbɛləm//
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Identification
Distinguished from other Agathidium by subtle coloration and body proportions; precise identification requires examination of genitalic structures and other microscopic features. The reddish coloration implied by the species name "rubellum" may aid in field recognition, though color can vary and is not diagnostic without supporting characters.
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Habitat
Associated with fungal , including decaying wood and other substrates supporting fungal growth. Specific microhabitat preferences within this general are not well documented.
Distribution
Eastern North America: Canada (New Brunswick, Nova Scotia) and United States (Alabama, Arkansas, Iowa, Kentucky, Massachusetts, Michigan, Missouri, North Carolina, Nebraska, New Hampshire, New York, Pennsylvania, South Carolina, Virginia, West Virginia).
Similar Taxa
- Other Agathidium speciesCo-occur in same and require detailed morphological examination for separation; many in this are distinguished by subtle differences in body shape, punctation, and male genitalia.
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Etymology
The specific epithet "rubellum" is a Latin diminutive suggesting reddish or ruddy coloration, a common naming convention in this where color-based names are frequently used (e.g., Agathidium vaderi, named for its resemblance to Darth Vader's helmet).