Pestalotia hartigii Tubeuf (1888) Truncatella hartigii is a species of parasitic fungus in the family Bartaliniaceae, first described by Karl von Tubeuf in 1888, and given its current name by René Léopold Steyaert [de] in 1949.

It is a parasite of pine needles.

[1] It is morphologically similar to Pestalotiopsis funerea with differences in their conidia.

[2] It shows significant antibacterial activity, especially against Enterococcus faecalis.

[3]