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Two species of Cystiphora (Diptera: Cecidomyiidae) are newly recorded from Japan. A gall midge that induces leaf galls on Taraxacum species (Asteraceae) is identified as Cystiphora taraxaci (Kieffer). Another gall midge that is responsible for leaf galls on Sonchus brachyotus (Asteraceae) is described as a new species under the name Cystiphora hachijounae Yukawa and Kim based on its incised hypoproct...
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