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scarlet caterpillar club (Cordyceps militaris), photo
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Medicinal

Scarlet caterpillar clubCordyceps militaris

cordyceps

Cordyceps militaris is an edible fungus that forms small orange clubs on parasitized insects. It grows from buried larvae and pupae, with records from forests in the State of Mexico. Researchers study its compounds and possible effects on immune markers and exercise performance.[2][3][7][9][11]

Edible. Eat it cooked. Never eat a wild mushroom identified only from photos.

  • Season in Mexico
  • HabitatBuried insects in forests
  • GrowingHard
  • FamilyCordycipitaceae

How do you identify scarlet caterpillar club?

Shape
Club-shaped, with the top wider than the base.[2]
Size
2-8 cm long; up to about .5 cm wide.[2]
Fertile surface
Orange upper portion with small bumps.[2]
Lower portion
Smooth, orange to pale orange, often curved.[2]
Flesh
Pale watery orange, with an outer cortex.[2]
Base
Narrows and arises from a buried pupa or larva.[2]

Can you eat scarlet caterpillar club?

It is an edible fungus. The safety review states that heating deactivates a protein with cytotoxic activity observed in mouse cells. Some human studies reported mild gastrointestinal complaints.[6][11]

How do you grow scarlet caterpillar club?

Temperature

Colonization18–22 °C

Fruiting18–22 °C

Humidity

Colonization0–90 %

Fruiting0–88 %

Full cycle: 55 days

Light
Medium

Substrates

  • Brown rice with nutrient broth
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What does research say about scarlet caterpillar club?

  • Trial in people[7]
  • Trial in people[8]
  • Review of studies[9]

These findings describe research. None of them is a recommendation to use it. If you take medication or have a disease, talk to your doctor.

Where and when does scarlet caterpillar club grow?

It parasitizes insect larvae and pupae, primarily butterflies and moths. In the State of Mexico, researchers documented it on Paradirphia lasiocampina in oak-pine forests and secondary oak vegetation.[2][3]

Documented collections span July through October in the State of Mexico. These dates apply to the study sites.[3]

It is documented in the State of Mexico. Its worldwide range covers much of the Northern Hemisphere.[3][10]

Baja CaliforniaBCSonoraSONChihuahuaCHHCoahuilaCOANuevo LeónNLBaja California SurBCSSinaloaSINDurangoDURZacatecasZACSan Luis PotosíSLPTamaulipasTAMNayaritNAYJaliscoJALAguascalientesAGSGuanajuatoGTOQuerétaroQROHidalgoHGOColimaCOLMichoacánMICEstado de MéxicoMEXCiudad de MéxicoCDMXTlaxcalaTLXVeracruzVERYucatánYUCGuerreroGROMorelosMORPueblaPUETabascoTABCampecheCAMQuintana RooROOOaxacaOAXChiapasCHP
States with records (1/32): Estado de México

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Fun facts

  • Carl Linnaeus described the species in 1753 under the name Clavaria militaris.[12]
  • It can grow on brown rice, a substrate used to produce its fruiting bodies.[11]

Frequently asked questions

Sources

  1. Scarlet Caterpillar Club (Cordyceps militaris)
  2. Cordyceps militaris (MushroomExpert.Com)
  3. Nuevos registros de hongos entomopatógenos del género Cordyceps s. l. (Ascomycota: Hypocreales) del Estado de México
  4. Clavulinopsis laeticolor (MushroomExpert.Com)
  5. Cordyceps ophioglossoides (MushroomExpert.Com)
  6. Cordyceps militaris: An Overview of Its Chemical Constituents in Relation to Biological Activity
  7. Cordyceps militaris Enhances Cell-Mediated Immunity in Healthy Korean Men
  8. Efficacy and Safety of Cordyceps militaris as an Adjuvant to Duloxetine in the Treatment of Insomnia in Patients With Depression: A 6-Week Double-Blind, Randomized, Placebo-Controlled Trial
  9. Current Evidence of Ergogenic and Post-Exercise Recovery Effects of Dietary Supplementation with Cordyceps militaris in Humans-A Narrative Review
  10. Genome sequence of the insect pathogenic fungus Cordyceps militaris, a valued traditional chinese medicine
  11. Cordyceps militaris—Fruiting Bodies, Mycelium, and Supplements: Valuable Component of Daily Diet
  12. Cordyceps militaris - Wikipedia

Written with AI help from the cited sources. A second model checked every fact against those sources and removed what they did not support.

Image credits

Photos are under free licenses (CC0, CC BY or CC BY-SA).

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