Xerocomellus dryophilus

{{Short description|Species of fungus}}

{{Speciesbox

| image = 2002-01-05 Xerocomus dryophilus (Thiers) Singer 12 crop.jpg

| genus = Xerocomellus

| species = dryophilus

| authority = (Thiers) N. Siegel, C.F. Schwarz & J.L. Frank (2014)

| synonyms =

}}

Xerocomellus dryophilus, commonly known as the oak-loving bolete and formerly known as Boletus dryophilus or Xerocomus dryophilus, is a basidiomycete fungus in the family Boletaceae native to North America. It appears to only occur under the coast live oak (Quercus agrifolia),{{Cite web|last=Stevens|first=Michael Wood & Fred|title=California Fungi: Xerocomellus dryophilus|url=http://www.mykoweb.com/CAF/species/Xerocomellus_dryophilus.html|access-date=2021-11-16|website=www.mykoweb.com}} and is only found in California, where it is one of the most common boletes in the Los Angeles and San Diego counties.{{Cite book |last=Arora |first=David |title=Mushrooms demystified: a comprehensive guide to the fleshy fungi |date=1986 |publisher=Ten Speed Press |isbn=0-89815-170-8 |edition=2nd |location=Berkeley |oclc=13702933}}

It is commonly parasitized by Hypomyces chrysospermus.

It was transferred to the new genus Xerocomellus in 2014.

This epithet had been previously applied to a European species, now described as Xerocomellus redeuilhii.{{Cite journal |last=Simonini |first=Giampaolo |last2=Gelardi |first2=Matteo |last3=Vizzini |first3=Alfredo |date=2016 |title=Xerocomellus redeuilhii sp. nov. |journal=Rivista di Micologia}}