LIGHT GENERATING SYSTEM FOR ARTHROPOD KEEPING

The invention provides a light generating system (1000) for arthropod keeping, configured to generate system light (1001), wherein in a first operational mode the light generating system (1000) is configured to provide the system light (1001) having a spectral power distribution, wherein the spectral power distribution comprises: a first spectral power E1 in a first wavelength range of 360 - 780 nm; a second spectral power E2 in a second wavelength range of 360 - 400 nm; a third spectral power Es in a third wavelength range of 400 - 480 nm; a fourth spectral power EM in a fourth wavelength range of 480 - 580 nm; a fifth spectral power EL in a fifth wavelength range of 580 - 700 nm; a sixth spectral power E6 in a sixth wavelength range of 620 - 700 nm; a seventh spectral power E7 in a seventh wavelength range of 700 - 780 nm; and wherein: 1.75 ≤ EM/ES ≤ 20; E2/E1 ≤ 0.005; E7/E1 ≤ 0.022; and (i) EL/E1 ≤ 0.3; or (ii) 0.3 < EL/E1 ≤ 0.8, and 3.4 ≤ E6/ES ≤ 14, and wherein the sixth wavelength range comprises a peak between 650 - 690 nm.