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<p>Paedogenetic gall midges (Diptera: Cecidomyiidae) are serious pests that cause substantial yield losses in mushroom cultivations worldwide. Field surveys targeting gall midges in Japan have recently unveiled several paedogenetic species from decaying, fungus-infested woods and vines in natural environments, and a rearing technique of these gall midges was established in our previous study under laboratory conditions. One of the paedogenetic gall midge species obtained from a fallen vine of <i>Wisteria floribunda</i> (Fabaceae) decayed by&#xa0;the split gill mushroom <i>Schizophyllum commune</i> (Schizophyllaceae) was identified as <i>Mycophila speyeri</i> (Barnes, 1926) (Micromyinae: Aprionini) based on adult morphological traits as well as COI sequences. The sequence was 99.85% identical to that of a single specimen identified as <i>M. speyeri</i> from South Korea. We noticed slight morphological differences in the Japanese population of <i>M. speyeri</i> compared with European conspecific specimens, which calls for thorough studies of the taxonomy of <i>M. speyeri</i> and its congeners found in East Asia.</p>

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First record of Mycophila speyeri (Diptera: Cecidomyiidae: Micromyinae) from a natural environment in Japan

  • 期刊论文

  • 发表日期：

    2025年9月23日

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  • Akihiro Furukawa,
  • Takuo Sawahata,
  • Ayman Khamis Elsayed,
  • Mathias Jaschhof,
  • Makoto Tokuda

摘要

Paedogenetic gall midges (Diptera: Cecidomyiidae) are serious pests that cause substantial yield losses in mushroom cultivations worldwide. Field surveys targeting gall midges in Japan have recently unveiled several paedogenetic species from decaying, fungus-infested woods and vines in natural environments, and a rearing technique of these gall midges was established in our previous study under laboratory conditions. One of the paedogenetic gall midge species obtained from a fallen vine of Wisteria floribunda (Fabaceae) decayed by the split gill mushroom Schizophyllum commune (Schizophyllaceae) was identified as Mycophila speyeri (Barnes, 1926) (Micromyinae: Aprionini) based on adult morphological traits as well as COI sequences. The sequence was 99.85% identical to that of a single specimen identified as M. speyeri from South Korea. We noticed slight morphological differences in the Japanese population of M. speyeri compared with European conspecific specimens, which calls for thorough studies of the taxonomy of M. speyeri and its congeners found in East Asia.