The lifespan of adult black soldier flies is relatively short, with an average lifespan of only 7-9 days for females and 6-7 days for males. After emerging from the soil layer, adult black soldier flies need to rest for about half an hour or longer to complete the process of spreading wings and tanning and coloring the epidermis. Adult black soldier flies that can fly usually stay on the leaves of shrubs or herbaceous plants, with fast flight speed and certain phototaxis.

Adult feeding condition parameters: environmental temperature not lower than 16 ℃, supplemented with 10% low concentration sucrose water or honey water, relatively spacious space, shrub plants with large leaves, and sunlight exposure.

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