Fungus infections

Fungus infection
Massospora cicadina infection.

Periodical cicadas are subject to infection by the specialized fungal parasite Massospora cicadina Peck (Speare 1919, Marlatt 1923).  Infection follows a predictable phenology.  Early in a periodical cicada emergence “Stage I”, infected cicadas produce conidia capable of infecting other adult cicadas (Speare 1921, Soper 1974, Soper et al. 1976).  Later in the emergence “Stage II” cicadas infected by conidiospores produce resting spores that complete the fungal life cycle by infecting the next generation of cicada nymphs that will emerge from the soil 13 or 17 years later (Soper et al. 1976, Duke et al. 2002).


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Duke, L., D. C. Steinkraus, J. E. English, and K. G. Smith. 2002. Infectivity of resting spores of Massospora cicadina (Entomophthorales : Entomophthoraceae), an entomopathogenic fungus of periodical cicadas (Magicicada spp.) (Homoptera : Cicadidae). Journal Of Invertebrate Pathology 80:1-6.

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Marlatt, C. L. 1923. The Periodical Cicada. United States Department of Agriculture, Bureau of Entomology Bulletin 71:1-183.

Soper, R. 1963. Massospora levispora, a new species of fungus pathogenic to the cicada Okanagana rimosa. Canadian Journal of Botany 41:875-878.

Soper, R. 1974. The genus Massospora entomopathogenic for cicadas. Part I. Taxonomy of the genus. Mycotaxon:13-40.

Soper, R., A. J. Delyzer, and L. F. R. Smith. 1976. The genus Massospora entomopathogenic for cicadas. Part II. Biology of Massospora levispora and its host Okanagana rimosa, with notes on Massospora cicadina on the periodical cicadas. Annals Of The Entomological Society Of America 69:89-95.

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Speare, A. T. 1921. Massospora cicadina Peck, a fungous parasite of the periodical cicada. Mycologia 13:72-82.

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White, J., and M. Lloyd. 1983. A pathogenic fungus, Massospora cicadina Peck (Entomophthorales) in emerging nymphs of periodical cicadas (Homoptera: Cicadidae). Environmental Entomology 12:1245-1252.