期刊
BOTANY
卷 86, 期 12, 页码 1449-1466出版社
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/B08-107
关键词
Amoebidiales; Eccrinales; Harpellales; insect fungal endobionts; symbiotic protista
Fungi and protists make up an ecological group, trichomycetes, that inhabit the guts of invertebrates, mostly aquatic insects. Trichomycetes are reported herein from arthropods collected in lotic habitats (fast flowing streams) and lentic environments (ponds, ditches, seeps, and lakes) from 11 sites in Algonquin Park and 6 other sites in Ontario, Canada. Thirty-two trichomycete species were recovered, including 7 new species: Legeriomyces algonquinensis, Legeriosimilis leptocerci, Legeriosimilis whitneyi, and Paramoebidium umbonatum are described from mayfly nymphs (Ehemeroptera); Pennella digitata and Glotzia incilis from black fly and midge larvae (Diptera), respectively, and Arundinula opeongoensis from a crayfish (Crustacea). Legeriomyces rarus Lichtw. & M.C. Williams and Stachylina penelralis Lichtw. are new North American records, and seven species are documented for the first time in Canada. More common and widely distributed trichomycete species such as Harpella melusinae Leger & Duboscq and Smittium culicis Manier, were also recovered. Most previous studies on trichomycetes have been done primarily in lotic environments but clearly lentic systems (e.g., ponds and lakes) harbour diverse arthropod communities and further exploration of these habitats will continue to increase our knowledge of trichomycete diversity,
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