File:1957. Isolation cage covered with 32-mesh Lumite plastic screen. Cage used for handling introduced shipment of balsam woolly adelgid predators infested with proctotrupid parasite. Sellwood Lab. Portland, Oregon. (33335533081).jpg
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![File:1957. Isolation cage covered with 32-mesh Lumite plastic screen. Cage used for handling introduced shipment of balsam woolly adelgid predators infested with proctotrupid parasite. Sellwood Lab. Portland, Oregon. (33335533081).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/1957._Isolation_cage_covered_with_32-mesh_Lumite_plastic_screen._Cage_used_for_handling_introduced_shipment_of_balsam_woolly_adelgid_predators_infested_with_proctotrupid_parasite._Sellwood_Lab._Portland%2C_Oregon._%2833335533081%29.jpg/493px-thumbnail.jpg?20180503234915)
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