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Fungi: Ascomycota: Sordariomycetes: Hypocreales: Cordycipitaceae: Cordyceps militaris (L.) Fr., 1818

Cordyceps militaris – Scarlet caterpillarclub

Synonyms: Clavaria granulosa, Clavaria militaris, Corynesphaera militaris, Hypoxylon militare, Sphaeria militaris, Torrubia militaris, Xylaria militaris.

Common name: scarlet caterpillarclub.

Russian name: Korditseps voennyy.

Extract from Wikipedia article: Cordyceps militaris is a species of fungus in the family Clavicipitaceae, and the type species of the genus Cordyceps. It was originally described by Carl Linnaeus in 1753 as 'is"/>

AI-generated description

Cordyceps militaris is a species of fungus that belongs to the family Cordycipitaceae. It is a entomopathogenic fungus, infecting insects and other arthropods. In St. Petersburg, Leningrad Oblast, and north-western Russia, Cordyceps militaris has been found in mixed forests, particularly in areas with rich soil and high humidity. The fungus typically fruits in late summer to early autumn, forming orange to yellowish club-shaped ascocarps on the bodies of infected insects. Local collections have reported the species growing on larvae of beetles, flies, and butterflies. Molecular analysis has confirmed the presence of C. militaris in these regions, with some studies indicating a wide distribution across north-western Russia.

Photos of this mushroom from the area of St. Petersburg, Russia

Orange club parasitic fungus <B>Cordyceps militaris</B> on roadside in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkOrange club parasitic fungus Cordyceps militaris on roadside in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Orange club parasitic fungus <B>Cordyceps militaris</B> in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkOrange club parasitic fungus Cordyceps militaris in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Orange club fungus <B>Cordyceps militaris</B> in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkOrange club fungus Cordyceps militaris in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Orange club parasitic fungus <B>Cordyceps militaris</B> lit by flash in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkOrange club parasitic fungus Cordyceps militaris lit by flash in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Orange club fungus <B>Cordyceps militaris</B> on a pupae of a beetle(?) collected from area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkOrange club fungus Cordyceps militaris on a pupae of a beetle(?) collected from area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Orange club parasitic fungus <B>Cordyceps militaris</B> near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkOrange club parasitic fungus Cordyceps militaris near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsЭкотропа "У Лукоморья", Лисий Нос, Санкт-Петербург, Северо-Западный федеральный округ, 189645, Россия
Orange club fungus <B>Cordyceps militaris</B> on a pupae near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkOrange club fungus Cordyceps militaris on a pupae near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsЭкотропа "У Лукоморья", Лисий Нос, Санкт-Петербург, Северо-Западный федеральный округ, 189645, Россия
Close up of orange club fungus <B>Cordyceps militaris</B> on a pupae near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkClose up of orange club fungus Cordyceps militaris on a pupae near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsЭкотропа "У Лукоморья", Лисий Нос, Санкт-Петербург, Северо-Западный федеральный округ, 189645, Россия
Orange club parasitic fungus <B>Cordyceps militaris</B> on a log near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-01.htm">September 1, 2018</A>
LinkOrange club parasitic fungus Cordyceps militaris on a log near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755

AI-generated summary of observations

Observations of the fungus Cordyceps militaris in Leningrad Oblast and north-western Russia revealed its presence in various locations. The fungus was found on roadides and logs near Kavgolovskoe Lake and Oselki-Toksovo, as well as near Lisiy Nos, west of Saint Petersburg. It was observed growing on pupae of beetles, with some specimens lit by flash for closer examination. The fungus was also found on logs, indicating its ability to infect various hosts. Multiple observations were made in August and September 2017 and 2018, suggesting that the fungus is active during this period in the region. The observations provided detailed images of the fungus, including close-ups of its growth on pupae, allowing for a better understanding of its morphology and habits.

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Links

Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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