Abstract
In this study we examined the effect of pulse Nd:YAG laser radiation on the flour beetle (Tribalium castaneum) in terms of changes in the external appearance of this insect (shape and color), and calculated the percentage of death rate due to Nd:YAG laser irradiation of wavelength (1064 nm) with energies: (260, 300, 340, 380 & 420)mJ and exposure times (10, 15 & 20)sec for each energy with (5 pulse/sec), when the distance was (20 cm) between the source of laser and the sample. The results showed an increase in the percentage of death of the flour beetle in addition to increasing distortions where the energy of laser increased and the exposure time increased, where the results of this laser treatment effect were taken in time stages: after (24 hours) and then note after pass (48 hours) and then (72 hours).
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