Harpellales (Kickxellomycotina: Zygomycetes) fungi associated with the digestive tract of larval black flies (Diptera: Simuliidae) in Korea

초록

Harpellales fungi associated with larval black flies were studied for the first time in Korea. They are a common, widespread group of filamentous fungi that, as obligate symbionts, inhabit the digestive tracts of many terrestrial and aquatic arthropods. Total of 842 ultimate/penultimate instar larvae of black flies from 53 stream were dissected to detect trichomycetes colonization. As a result of the study, seven species of Harpellales including single undetermined Pennella species was found from eight species of black fly hosts: Harpella melusinae, Pennella angustispora, Pennella hovassi, Pennella KNU-1, Simuliomyces microsporus, Smittium simulii, and Smittium megazygosporum. Descriptions for general features including size and shape of trichospore and zygospores (if available) of each species and their host larval black flies were provided. A key to all known Harpellales fungi found in larval black flies from Korea was also provided.

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