Journal
JOURNAL OF INSECT PHYSIOLOGY
Volume 95, Issue -, Pages 133-139Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jinsphys.2016.10.006
Keywords
Black soldier fly; Spectral sensitivity; UV light; Light Emitting Diode; Indoor breeding
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Funding
- Dutch Ministry of Economic Affairs, through the STW project In2Food
- Slovene Japan [BI-JP/13-15-003]
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Mating in the black soldier fly (BSF) is a visually mediated behaviour that under natural conditions occurs in full sunlight. Artificial light conditions promoting mating by BSF were designed based on the spectral characteristics of the compound eye retina. Electrophysiological measurements revealed that BSF ommatidia contained UV-, blue- and green-sensitive photoreceptor cells, allowing trichromatic vision. An illumination system for indoor breeding based on UV, blue and green LEDs was designed and its efficiency was compared with illumination by fluorescent tubes which have been successfully used to sustain a BSF colony for five years. Illumination by LEDs and the fluorescent tubes yielded equal numbers of egg clutches, however, the LED illumination resulted in significantly more larvae. The possibilities to optimize the current LED illumination system to better approximate the skylight illuminant and potentially optimize the larval yield are discussed. (C) 2016 Elsevier Ltd. All rights reserved.
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