Labiduridae

These earwigs are winged, and the combined length of antenna segments 4-6 is longer than the basal segment. The male forceps are symmetrical, not strongly curved, and the right and left forcep are nearly equal size.

Striped earwig, Labidura riparia Adults are 20-25 mm long. The body is pale brown to reddish brown with black markings, the abdomen is banded, and the forceps are yellowish brown. Male forceps are long and usually toothed, and the lastabdominal segment has two spines. Female forceps have small basal teeth. Eggs are deposited in earthen burrows constructed by females. Females deposit three or four batches of eggs per year in favorable conditions. Females groom the eggs to remove fungi from their surface; hatching occurs in about 7 days, and the first-stage nymphs feed on the empty eggs. Nymphs remain in the egg chamber until the second molt. Development of the immature stages is 49-60 days at 26 °C. These earwigs are insect predators, but also feed on other material, although not usually plants. They are attracted to lights at night. This species occurs in the southeastern USA.

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