Silverfish Pest Profile

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Common Name:

Silverfish


Scientific Name:

Lepisma saccharina


Order and Family:

Lepismatidae, Silverfish


Description:

3/8-1/2" (9-13 mm). Tapering, carrot-shaped. Silver-gray, coated with scales. Threadlike antennae and 3 tail filaments, all shorter than body. Small black eyes. Maxillary palps.


Food:

Dried cereals, flour, glue, and starch, including stiffeners used in clothing and bound books, and coated papers used in magazines.


Life Cycle:

Oval white eggs are dropped in a few places week after week. Eggs hatch in 2-8 weeks. Nymphs, 1/8-1/4" (4-5 mm), have the same body form as adults. In the South full size is attained in about 2 years, longer in the North.


Habitat:

Indoors in warm, dry or damp places, including closets, bookcases, behind baseboards, in partitions, or in bathtubs.


Range:

Worldwide in temperate climates.


Discussion:

This insect has a scaly covering that helps it to escape from the grip of ants and spiders. Silverfish can survive without food for months.



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