Agathidium pulchellum

{{Short description|Species of round fungus beetle}}

{{Speciesbox

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Tykarski, P. |author2=Putchkov, A. |author3=Mannerkoski, I. |date=2010 |title=Agathidium pulchellum |volume=2010 |page=e.T157552A5094208 |doi=10.2305/IUCN.UK.2010-1.RLTS.T157552A5094208.en |access-date=18 November 2021}}

| taxon = Agathidium pulchellum

| authority = Wankowicz, 1869

}}

Agathidium pulchellum is a species of round fungus beetle in the family Leiodidae.{{Cite web|title=Agathidium (Neoceble) pulchellum Wankowicz 1869 - Encyclopedia of Life|url=https://eol.org/pages/3381404|access-date=2021-10-18|website=eol.org}} This species is one of the rarest of the genus Agathidium. It feeds exclusively on a slime mold species named Trichia decipens with mid-decayed aspen, spruce and birch logs in boreal forests.{{Cite journal|last1=Kostanjšek|first1=Fran|last2=Sebek|first2=Pavel|last3=Baranová|first3=Beáta|last4=Šerić Jelaska|first4=Lucija|last5=Riedl|first5=Vladan|last6=Cizek|first6=Lukas|date=2018-03-23|title=Size matters! Habitat preferences of the wrinkled bark beetle, Rhysodes sulcatus , the relict species of European primeval forests|url=https://www.researchgate.net/publication/323977702|journal=Insect Conservation and Diversity|volume=11|issue=6 |pages=545–553 |doi=10.1111/icad.12295|s2cid=90464175 }} It is found only in natural forests where there is a ratio of at least 80 aspen and spruce logs per hectare.{{Cite journal |last1=Laaksonen |first1=Mervi |last2=Murdoch |first2=Kaisa |last3=Siitonen |first3=Juha |last4=Várkonyi |first4=Gergely |date=February 2010 |title=Habitat associations of Agathidium pulchellum, an endangered old-growth forest beetle species living on slime moulds |url=http://link.springer.com/10.1007/s10841-009-9227-0 |journal=Journal of Insect Conservation |language=en |volume=14 |issue=1 |pages=89–98 |doi=10.1007/s10841-009-9227-0 |s2cid=21614111 |issn=1366-638X}} It was first discovered in 1971 in Blåkölen in Norrbotten, Sweden.{{Cite web|title=Artfakta från SLU Artdatabanken|url=https://artfakta.se/|access-date=2021-10-18|website=artfakta.se|language=sv}} A. pulchellum is considered an endangered species in Sweden,{{Cite journal |date=2005-10-01 |title=Notorynchus cepedianus: Compagno, L.J.V. |url=http://dx.doi.org/10.2305/iucn.uk.2005.rlts.t39324a10200310.en |access-date=2023-03-18 |website=IUCN Red List of Threatened Species|doi=10.2305/iucn.uk.2005.rlts.t39324a10200310.en |doi-access=free }} and Finland.{{Citation |last1=Kettunen |first1=Juhani |title=Changing role of citizens in national environmental monitoring |date=2016-08-25 |work=European Handbook of Crowdsourced Geographic Information |pages=257–267 |publisher=Ubiquity Press |last2=Silander |first2=Jari |last3=Lindholm |first3=Matti |last4=Lehtiniemi |first4=Maiju |last5=Setälä |first5=Outi |last6=Kaitala |first6=Seppo|doi=10.5334/bax.s |isbn=9781909188792 |doi-access=free }}