Syrphidae literature

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We found 1 records. keyword "Chrysotoxum octomaculatum" and ordered by year

Heese, W. (1970): Zur Unterscheidung und zum Vorkommen von Chrysotoxum octomaculatum Curtis und Chrysotoxum verralli Collin (Diptera, Syrphidae) - Ent.Nachr. 14(4), 57-59