PSOCID BIOLOGY Psocids are small insects which love moisture. In general, they need to live where humidity is high or moisture is present. Common places for psocids populations to thrive include window sills, under outside siding of homes, tree trunks, shrubs, flowers, around garden hoses, under bricks and rocks, around light fixtures and under boxes. … Continue reading PSOCID TREATMENTS AND PRODUCTS | BUGSPRAY.COM