#$%^&*AU2019204596A120200123.pdf#####Abstract Apparatus for monitoring a beehive incorporating a brood nest, said apparatus including: a first and second electrically conductive array, said first array being located internally at the base of said beehive； said second array being located internally above a brood nest of said beehive； and an electrical measurement device, connected to both the first and the second array, that is capable of measuring the electrical impedance between them to a level of at least 200 MO.1/4 Figure 1 Figure 2 111:46
