Puneet Varma (Editor)

Hydroscaphidae

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Kingdom  Animalia
Scientific name  Hydroscaphidae
Higher classification  Sphaeriusoidea
Order  Beetle
Suborder  Myxophaga
Phylum  Arthropoda
Rank  Family
Hydroscaphidae Hydroscaphidae California Department of Fish and Wildlife
Similar  Torridincolidae, Lepicerus, Myxophaga, Sphaerius, Ommatidae

The Hydroscaphidae are a small family of water beetles known commonly as skiff beetles. As of 2010, there are 23 species in the family. Several are recently described.

Hydroscaphidae Hydroscaphidae California Department of Fish and Wildlife

These beetles are small, most under 2 mm in length. They are tan to brown in color and the elytra are abbreviated, leaving several tapering tergites of the abdomen exposed. The wings are fringed with long setae. The larvae are fusiform, with a wide thorax and a narrowing abdomen.

These beetles live on mats of algae with a thin layer of running water. This may be the accumulated algae lining the very edge of a stream of water. They tolerate a wide range of temperatures; they have been observed in hot springs and in icy snowmelt. The algae are their food source.

Hydroscaphidae Hydroscaphidae California Department of Fish and Wildlife

The reproductive cycle is not well known. In at least one species, the female lays a single large egg on the algal mat.

Hydroscaphidae SBMNH Entomology The California Beetle Project Species Pages

Hydroscaphid species have been reported from every continent except Antarctica.

Genera:

  • Hydroscapha
  • Scaphydra
  • Yara

  • Hydroscaphidae httpsuploadwikimediaorgwikipediacommonsthu
    Hydroscaphidae Hydroscaphidae

    References

    Hydroscaphidae Wikipedia


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