Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Zoopagomyceta
Divisio: Entomophthoromycota
Subdivisio: Entomophthoromycotina
Classis: Entomophthoromycetes
Ordo: Entomophthorales
Familia: Entomophthoraceae
Genus: Strongwellsea
Species: S. acerosa – S. castrans – S. crypta – S. gefion – S. magna – S. pratensis – S. selandia – S. tigrinae
Name
Strongwellsea A. Batko & J. Weiser, 1965
References
Links
Index Fungorum: IF 20554
Strongwellsea is a genus of fungi within the order Entomophthorales of the Zygomycota.[1] They are known to infect insects. Infected adult dipteran hosts (flies from Anthomyiidae, Fanniidae, Muscidae, and Scathophagidae orders) develop a large hole in their abdomens, through which conidia (spores) are then actively discharged while the hosts are still alive.[2]
While most fungi spore once the host is dead, with the Strongwellsea fungus, the flying host continues to live for days and also socialising with other flies while the fungus consumes its genitals, fat reserves, reproductive organs, and then finally its muscle, as it continues to emit thousands of spores on to other individuals and hosts. Then the host fly dies. The method of keeping the host alive while still releasing spores is called active host transmission (AHT). The fungi spores are almost shaped like torpedoes and are designed for going fast (through the air). If they land on another fly host, they stick to the cuticle and then migrate their way into the abdomen, where they start to generate spores. Thousands of spores can be released out from a single fly host.[3]
They were first found in Denmark, with 3 known species. Strongwellsea castrans, Strongwellsea magna and Strongwellsea pratensis.[4]
Species Strongwellsea crypta is known to infect Botanophila fugax (Diptera: Anthomyiidae) and Strongwellsea castrans, is the only described species infecting flies from Anthomyiidae.[5] Strongwellsea selandia and Strongwellsea gefion infects adult flies from genus Helina (Diptera: Muscidae).[6] Strongwellsea tigrinae and Strongwellsea acerosa infect hosts from the genus Coenosia (Muscidae).[7]
In lab tests in 1992, Strongwellsea castrans was isolated in vitro and then incubating conidia was projected from infected cabbage root flies (Delia radicum). This showed that the fungus could infect other fly species.[8]
The genus was circumscribed by Andrzej Batko and Jaroslav Weiser in J. Invertebr. Pathol. vol.7 on pages 460-463 in 1965.
The genus name of Strongwellsea is named after the 3 authors of a 1960 book, 'An Unidentified Fungus Parasitic on the SeedCorn Maggot'; Frank E. Strong, Kenneth Wells and James W. Apple (an American entomologist, University of Wisconsin–Madison), "Generic name in honor of the authors of the preliminary report".[9]
Species
As accepted by Species Fungorum;[10]
Strongwellsea acerosa Eilenberg & Humber (2020)
Strongwellsea castrans A. Batko & J. Weiser (1965)
Strongwellsea crypta Eilenberg & Humber (2021)
Strongwellsea gefion Eilenberg & Humber (2022)
Strongwellsea magna Humber (1976)
Strongwellsea pratensis S. Keller (2007)
Strongwellsea selandia Eilenberg & Humber (2022)
Strongwellsea tigrinae Eilenberg & Humber (2020)
Former species;
S. oehrensiana Aruta, Carrillo & Monteal. (1984) = Entomophthora oehrensiana, Entomophthoraceae family
References
Humber, R. A. (Sep–Oct 1976). "The systematics of the genus Strongwellsea (Zygomycetes: Entomophthorales)". Mycologia. 68 (5): 1042–60. doi:10.1080/00275514.1976.12019987. PMID 1033459.
Eilenberg, Jørgen; Bruun Jensen, Annette (September 2018). "Strong host specialization in fungus genus Strongwellsea (Entomophthorales)". J. Invertebr. Pathol. 157: 112–116. Bibcode:2018JInvP.157..112E. doi:10.1016/j.jip.2018.08.007. PMID 30110609. S2CID 52008975.
Weston, Phoebe (15 December 2020). "Scientists find two new species of fungi that turn flies into 'zombies'". the Guardian. Retrieved 28 December 2022.
"Strongwellsea A.Batko & Weiser". www.gbif.org. Retrieved 28 December 2022.
Eilenberg, Jørgen; Michelsen, Verner; Bruun Jensen, Annette; Humber, Richard A. (Nov 2021). "Strongwellsea crypta (Entomophthorales: Entomophthoraceae), a new species infecting Botanophila fugax (Diptera: Anthomyiidae)". J Invertebr Pathol. 186: 107673. Bibcode:2021JInvP.18607673E. doi:10.1016/j.jip.2021.107673. PMID 34626615.
Eilenberg, Jørgen; Michelsen, Verner; Bruun Jensen, Annette; Humber, Richard A. (September 2022). "Strongwellsea selandia and Strongwellsea gefion (Entomophthorales: Entomophthoraceae), two new species infecting adult flies from genus Helina (Diptera: Muscidae)". J Invertebr Pathol. 193: 107797. Bibcode:2022JInvP.19307797E. doi:10.1016/j.jip.2022.107797. PMID 35810784.
Eilenberg, Jørgen; Michelsen, Verner; Humber, Richard A. (2020). "Strongwellsea tigrinae and Strongwellsea acerosa (Entomophthorales: Entomophthoraceae), two new species infecting dipteran hosts from the genus Coenosia (Muscidae)". Journal of Invertebrate Pathology. 175: 107444. Bibcode:2020JInvP.17507444E. doi:10.1016/j.jip.2020.107444. PMID 32707095. S2CID 225503556.
Eilenberg, J.; Wilding, N.; Bresciani, J. (March 1992). "Isolation in vitro of Strongwellsea castrans [Fungi: Entomophthorales] a pathogen of adult cabbage root flies, Delia radicum [Dipt.: Anthomyiidae]". Entomophaga. 37: 65–77. doi:10.1007/BF02372975. S2CID 21343554.
Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. S2CID 246307410. Retrieved January 27, 2022.
"Strongwellsea - Search Page". www.speciesfungorum.org. Species Fungorum. Retrieved 28 December 2022.
Other sources
Humber RA. 1982. Strongwellsea vs. Erynia : the case for a phylogenetic classification of the Entomophthorales (Zygomycetes). Mycotaxon 15: 167–184.
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