Pest Organisms / Smokybrown Cockroach
Seasonality
Activity peaks in warm weather. Adults fly on warm, humid evenings toward lights, making summer the season of porch-light and attic sightings. Source: https://ipm.ucanr.edu/PMG/PESTNOTES/pn7467.html Source: https://hgic.clemson.edu/factsheet/cockroach-control/
They need humid, sheltered harborage and cannot tolerate drying out, so in the warm South they stay tied to moisture year-round. Source: https://fieldreport.caes.uga.edu/publications/B1412/