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| Dorsal aspect | Lateral aspect | Head | Label |
| Locality: | Nakayama Pass, Nagano Pref. |
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| Date: | 4. VIII. 1949 |
| Collector: | A. Aoki |
| Status: | Dried |
| Ref.: | Shiraki, T., 1968. Fauna Japonica, Syrphidae(Insecta). Vol. II. Biogeograph. Soc. Japan, Tokyo. [X]+243pp.,40pls. |
| Note: | 5 paratypes |