Carreck n l ed (2 Ergebnisse)

Zustand: Fine. pp.75 with b/w. figs. 8vo. Fine softback. An insight into what was happening to nectar and pollen sources in the 1990s, alongside looking at how farmland can be made a better habitat for bees.

Zustand: Near Fine. pp.78 with col. photos. & b/w., illus. Landscape 8vo. Nr. fine softback. Presents current knowledge about the biology of the mite and its interaction with viruses, discusses its chemical resistance and suggests solutions to enable beekeepers to live with the mite.