Spanglerogyrus

Spanglerogyrus albiventris is a species of beetle in the family Gyrinidae, the only species in the genus Spanglerogyrus.[1]

Spanglerogyrus albiventris
Scientific classification
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Genus:
Spanglerogyrus

Folkerts, 1979
Species:
S. albiventris
Binomial name
Spanglerogyrus albiventris
Folkerts, 1979

References

  1. ^ Gyrinidae Species List at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 9 May 2012.
Whirligig beetle

The whirligig beetles are a family (Gyrinidae) of water beetles that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened. They get their common name from their habit of swimming rapidly in circles when alarmed, and are also notable for their divided eyes which are believed to enable them to see both above and below water. The family includes some 700 extant species worldwide, in 15 genera, plus a few fossil species. Most species are very similar in general appearance, though they vary in size from perhaps 3 mm to 18 mm in length. They tend to be flattened and rounded in cross section, in plain view as seen from above, and in longitudinal section. In fact their shape is a good first approximation to an ellipsoid, with legs and other appendages fitting closely into a streamlined surface.

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