Determination of coleopteran insects associated with spore dispersal of Cryptoporus volvatus (Polyporaceae: Basidiomycota) in Korea

다국어 초록 (Multilingual Abstract)

The veiled polypore, Cryptoporus volvatus, is distributedwidely in North America and East Asia and is believed tohave a mutualistic relationship with coleopteran species—the fungus providing food and shelter in basidiocarpsand beetle helping disperse spores.
Seventy fresh basidiocarps of C. volvatuswere collected fromthe Japanese red pine (Pinus densiflora) in the springseason of 2013 fromtwo sites in Korea. A total of 251 insects (101 adult and 150 larvae) were collected fromtheinside of basidiocarps and identified using morphology and mitochondrial cytochrome c oxidase subunit I (COI)sequences. Six species belonging to five coleopteran families were identified. The number of spores attached tothe bodies of adult insects was counted and average spore counts for each of the six species ranged between1.0 × 104 and 5.2 × 105 spores/individual. Across localities, three specieswere shared (Aethina suturalis, Trogossitajaponica and Parabolitophagus felix) and carried spores at high densities on their bodies, making themmore likelyto aid in spore dispersal.

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