Species diversity of spider-pathogenic fungi in China
Spider is a general term for all species of the order Arachnoidea in the phylum Arthropoda,and the fungi parasitized spider is called araneopathogenic fungi.Spider pathogenic fungi play an irreplaceable role in continuously controlling spider populations and maintaining ecological balance,and some species are rich in various biological activities and have important economic value.In this study,classical morphological and molecular systematics classification methods were combined to identify specimens and isolated strains from various forest ecosystems based on the latest entomopathogenic fungal classification system for revealing species diversity of spider pathogenic fungi in China.More than 80 specimens of spider pathogenic fungi from all over the country are available,and 2 families,8 genera,and 21 species are identified,including 3 new species(published elsewhere),7 unknown species and 1 new Chinese recorded species.Among them,Purpureocillium is dominant genus,with relative abundance of 26.25%;Secondly Gibellula,with relative abundance of 20.00%.Only one species(one specimen)is found for Akanthomyces.Some Isaria-like strains were referred to Akanthomyces sp.and Samsoniella spp.Chlorocillium griseum was reported for the first time in China.According to relevant literature on spider pathogenic fungi that has been published worldwide,a total of 18 genera and 119 species has been published,and all distributed in the Hypocreales of Ascomycota.Most species belong to Cordycipitaceae,with approximately 12 genera and 106 species.A few are distributed in the family Ophiocordycipitaceae,with 4 genera and 11 species;there is only one species in Bionectiaceae,and one species in Chlorocillium that classification status is situated between Ophiocordycipitaceae and the Clavicipitaceae.No species has been discovered in Clavicipitaceae yet.
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