Microsternus ulkei
(Crotch, 1873)
Microsternus ulkei is a of pleasing fungus beetle in the Erotylidae. It is native to North America. The species is one of 17 documented observations on iNaturalist, indicating it is rarely encountered or underreported. As a member of Erotylidae, it likely feeds on fungal fruiting bodies, though specific ecological details remain poorly documented.

Pronunciation
How to pronounce Microsternus ulkei: /ˌmɪkroʊˈstɜrnəs ˈʌlkaɪ/
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Distribution
North America. iNaturalist records indicate presence across the United States, with observations from states including Missouri, Oklahoma, Arkansas, and Arizona. GBIF confirms distribution as North America, present.
More Details
Taxonomic Note
Originally described by Crotch in 1873. The Microsternus is part of the pleasing fungus beetle Erotylidae, a group characterized by their association with fungal substrates.
Data Limitations
Despite being a described with a North American distribution, published ecological and behavioral information for Microsternus ulkei appears sparse. Most available information derives from collection records and citizen science observations rather than dedicated study.