description Great Silver Water Beetle Overview
The great silver water beetle (Hydrophilus piceus) is one of the largest aquatic insects in Europe, capable of reaching up to 50 millimeters in length. It inhabits stagnant or slow-moving freshwater environments, such as ponds and lakes with dense vegetation. The beetle is named for the silver sheen created by the air bubble it traps beneath its wing cases for breathing while submerged. While the larvae are aggressive aquatic predators, the adult beetles primarily feed on decaying plant matter and detritus.
help Great Silver Water Beetle FAQ
How large is the great silver water beetle?
The great silver water beetle, scientifically known as Hydrophilus piceus, is one of the largest aquatic insects in Europe. It is capable of reaching up to 50 millimeters in length.
Why is the Hydrophilus piceus called the 'silver' water beetle?
The beetle gets its name from the noticeable silvery sheen on the underside of its body when it is submerged. This silver appearance is actually an air bubble trapped against its body by fine hairs, which functions as a physical gill.
Where does the great silver water beetle live?
This large insect inhabits stagnant or slow-moving freshwater environments. It is most commonly found in ponds, lakes, and drainage ditches with dense aquatic vegetation across Europe and parts of Asia.
Is the great silver water beetle a strong swimmer?
Despite its aquatic habitat, the great silver water beetle is actually a relatively clumsy swimmer compared to other aquatic beetles like the great diving beetle. It relies more on walking through dense aquatic vegetation than rapidly swimming through open water.
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