Box of slides labelled "P.C. & Ben A?" Appear to be photographs of pests and diseases of pine trees - Phytophthera cinnamomi? 1 labelled "Sirex" Sirex Wood Wasp?" Mostly May 80 and Apr 81. Other labels: E. Smithii Gully Peppermint Orbost Vic, Portable ...? built Dec 93, Kew Swift & Building Melb Water.sirex wood wasp, phytophthera cinnamomi, arboriculture, excursion, pests, eucalyptus smithii, gully peppermint, orbost, diseases, kew swift