When are the adult White-shouldered House Moths typically most active during their daily cycle?
Answer
During the night (nocturnal)
The activity pattern of the adult moth is distinctly tied to the time of day, contrasting with the constant feeding of the larvae. Adult *Endrosis sarcitrella* are described as nocturnal, meaning they are primarily active after dark. This is when they emerge to mate and when homeowners are most likely to notice them flying near artificial light sources. During daylight hours, they tend to remain hidden, making detection of the adult stage more difficult outside of nighttime observation.

Related Questions
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