Living With Plastrons

Helichus striatus
Photo: Jeff Gruber & Nicolas Gompel

In 1936, Microscopist, Hilda Harper, investigated the contribution of plastrons to oxygen consumption and survival underwater. The beetle, Helichus striatus, is able to survive over 40 days underwater and surrounds itself with a plaston (air bubble). The beetle has branched water repelling hairs capable of holding an air bubble in place under its elytra and much of its body when submerged. The spiracles of the beetle open into parts of the…

Source: Living With Insects Blog

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