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Keywords from Image Description:
Urophora cardui Canada thistle stem gall fly male Elst Gld the Netherlands. en Urophora cardui Canada thistle stem gall fly male Elst Gld the Netherlands nl Urophora cardui Akkerdistelgalboorvlieg mannetje Elst Gld Nederland own Bj schoenmakers thumb left px thumb left px cczero Urophora cardui Diptera of the Netherlands