How Are Silverfish Born?

Silverfish have a flat oval shape. They are about one-half inch to quarter-inch long and have three pairs of legs. Their light colored appendages include antennae and bristles.

They usually live in areas with high humidity. They are attracted to moisture and dark places. These bugs are not poisonous and do not spread diseases. However, their scales are irritating and can cause rashes.

Throughout their life, silverfish go through many molts. This process allows them to grow quickly to maturity. After the fourth molt, nymphs begin to acquire their scales. The nymphs are about 1/16 of an inch long and white.

Female silverfish lay eggs on cloth and food. Approximately one-third of these eggs will hatch in a few weeks. There are an average of fifty eggs in each clutch.

During their lifetime, silverfish will molt about four times. This includes 45 to 60 instars.

A female silverfish can lay more than 50 eggs at a time. Once the eggs hatch, they are deposited into small crevices around the home.

The female silverfish uses a spermatophore to fertilize the eggs. She can produce more than 100 offspring. In addition, she can mate twice in her lifetime.

Although silverfish are nocturnal, they are active in the evening. They may be found in closets, laundry rooms, and basements.

Silverfish can also be found in the Pacific Ocean. They are common in some states, but not in others. Some people are allergic to their scales and can have rashes and coughing.

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