| 摘要 |
PROBLEM TO BE SOLVED: To provide firefly culture facilities with which water is purified based on a wide filtration area. SOLUTION: In the firefly culture facilities by combination of wet bed soil 2 for firefly egg laying, egg hatching and pupation of grown larvae and a culture waterway 1 for pupation and growth of firefly larvae, the firefly culture facilities have constitution that a plurality of water pipes 4 having water permeation holes 41 are embedded in the culture waterway 1, a waterway 3 for filtration is formed by laying filtration soil 31 for filtering water 10 discharged from the water permeation holes 41 on the upper parts and the side parts of the water pipes 4, water 10 is supplied from the waterway 3 for filtration to the culture waterway 1 and the bed soil 2 so that sufficiently purified water 10 is supplied to the culture waterway 1 and the bed soil 2. COPYRIGHT: (C)2005,JPO&NCIPI
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