Synonyms: Byssonectria lateritia, Hypocrea floccosa, Hypocrea lateritia, Hypomyces floccosus, Peckiella deformans, Peckiella lateritia, Sphaeria lateritia.
Common name: ochre gillgobbler.
Hypomyces lateritius is a parasitic fungus that infects insects, particularly beetles, in the families Cerambycidae and Buprestidae. In East and Central Texas, it has been found on species of longhorned beetles, such as Megacyllene robiniae and Eburia quadrigeminata, forming reddish to orange perithecia on the host's body. The fungus grows on the cuticle of the insect, eventually killing it, and is typically found in wooded areas, including forests and woodlands dominated by oak, pine, and mesquite trees.
Fungus Hypomyces lateritius(?) on blue milkcap mushrooms (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 10, 2018
Iron Bridge Trail, College Station, TX 77845, USA
Dissected blue milkcap mushroom (Lactarius indigo) with Hypomyces lateritius(?) fungus in Lick Creek Park. College Station, Texas, June 10, 2018Iron Bridge Trail, College Station, TX 77845, USA
Fungus Hypomyces lateritius(?) on a blue milkcap mushroom (Lactarius indigo) in Lick Creek Park. College Station, Texas, June 30, 2019Yaupon Loop, College Station, TX 77845, USA
Dissected blue milkcap mushrooms (Lactarius indigo) with fungus Hypomyces lateritius(?) in Lick Creek Park. College Station, Texas, June 30, 2019Yaupon Loop, College Station, TX 77845, USA
Milkcap mushrooms (Lactarius indigo) with fungus Hypomyces lateritius(?) in Lick Creek Park. College Station, Texas, June 30, 2019Yaupon Loop, College Station, TX 77845, USA
Fungus Hypomyces lateritius on a silver-blue milkcap mushroom (L. paradoxus) at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 13, 2021San Jacinto County, Texas, United States
Fungus Hypomyces lateritius on milkcap mushrooms L. paradoxus(?) collected at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 13, 2021San Jacinto County, Texas, United States
Cap of milkcap (Lactarius) mushrooms with fungus Hypomyces lateritius collected at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 13, 2021San Jacinto County, Texas, United States
Smooth underside of a milkcap (Lactarius) mushroom overgrown by fungus Hypomyces lateritius collected at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 13, 2021San Jacinto County, Texas, United StatesIn East and Central Texas, observations of the fungus Hypomyces lateritius were made on various species of milkcap mushrooms, including Lactarius indigo and L. paradoxus. The fungus was found in Lick Creek Park, College Station, on multiple occasions in June 2018 and 2019, infecting blue milkcap mushrooms. Dissection of the infected mushrooms revealed the presence of Hypomyces lateritius. Similar observations were made at Little Thicket Nature Sanctuary, Cleveland, Texas, in November 2021, during a mushroom walk, where the fungus was found on silver-blue milkcap mushrooms and other Lactarius species. The fungus was observed to overgrow the caps and smooth undersides of the infected mushrooms. These findings suggest that Hypomyces lateritius is present in East and Central Texas, infecting various milkcap mushroom species.
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