Generic Position of Two Unidentified Japanese Gall Midges (Diptera: Cecidomyiidae) on Artemisia Species (Asteraceae)

概要

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Among 19 Japanese gall midge species on Artemisia, 3 species that were known only from galls and larvae have been left unnamed. The morphological study proved that the 2 of them belonged to the genus Rhopalomyia of the tribe Rhopalomyiini. The larvae of both species are characterized by the reduction of terminal papillae from eight to six, the absence of sternal spatula, and reduction in the number of lateral papillae. They were likely to be new species, but were not described because their adult specimens were not available. Unfortunately, remaining I species could not be studied dur to the lack of specimens. As a result, the number of Japanese Rhopalomyia species on Artemisia totaled up to 14. This number is remarkably large for the species associated with a single plant genus.
九州大学の論文
2003-03-31