Silverfish 2017-08-08T13:59:04+00:00

Silverfish

A silverfish (Lepisma saccharina) is a small, wingless insect in the order Thysanura. Its common name derives from the animal’s silvery light grey and blue color, combined with the fish-like appearance of its movements, while the scientific name (L. saccharina) indicates the silverfish’s diet consists of carbohydrates such as sugar or starches.
Silverfish are nocturnal insects typically 13–25 mm (0.51–0.98 in) long. Their abdomens taper at the end, giving them a fish-like appearance. The newly hatched are whitish, but develop a greyish hue and metallic shine as they get older. They have two long cerci and one terminal filament at the tips of their abdomens, the filament projects directly off of the end of their body, between the left and right cerci. They also have two small compound eyes, despite other members of Thysanura being completely eyeless, such as the family Nicoletiidae.

Silverfish. In Wikipedia. Retrieved August 30, 2016, from https://en.wikipedia.org/wiki/Silverfish

Biology

Silverfish can be accidentally brought into buildings with boxes of materials that have been stored in infested areas. They can also move indoors from the outside. Once inside structures, they move quickly through buildings in search for food. When they find a source, they will generally stay close to it.

Silverfishes are primarily nuisance insects, usually causing little damage.

“Silverfish and Firebrats in Homes.” : Insects : University of Minnesota Extension. N.p., n.d. Web. 29 Aug. 2016.

Insecticidal management

Insecticides are normally not necessary for silverfish management. However, if large numbers are discovered, it may be desirable to supplement nonchemical methods with an insecticide treatment to quickly reduce the infestation.

“Silverfish and Firebrats in Homes.” : Insects : University of Minnesota Extension. N.p., n.d. Web. 29 Aug. 2016.
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