Paracotalpa ursina

(Horn, 1867)

little-bear scarab beetle, little bear

Species Guides

3

Paracotalpa ursina, commonly known as the little-bear or little bear, is a of shining leaf chafer in the Scarabaeidae. range from 10 to 23 mm in length and display distinctive coloration with black, metallic blue, or metallic green and , and red-brown or black . The species is distributed in the western United States and Mexico.

Little Bear imported from iNaturalist photo 84319313 on 28 March 2024 by (c) P Holroyd, some rights reserved (CC BY). Used under a CC BY 4.0 license.Little Bear imported from iNaturalist photo 84319313 on 28 March 2024 by (c) P Holroyd, some rights reserved (CC BY). Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Paracotalpa ursina: /ˌpærəˈkoʊtəlpə ˈɜrsɪnə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from similar scarab beetles by the combination of hairy body, metallic blue/green/black and , and red-brown or black . The size range of 10–23 mm and the specific color pattern separate it from other Paracotalpa and related ruteline scarabs.

Images

Appearance

measure 10–23 mm in length. The and are black, metallic blue, or metallic green. The (hardened forewings) are red-brown or black. The entire body is covered in hairs.

Distribution

Western United States and Mexico.

Human Relevance

Featured in the Nature's Gallery ceramic mosaic mural at the UC Davis Arboretum, where it has been adopted by donors as part of a public art and conservation education program.

Similar Taxa

  • Paracotalpa puncticollisAnother shining leaf chafer in the same ; P. ursina differs in coloration pattern and geographic distribution.
  • Other Rutelinae scarabsMany ruteline scarabs share metallic coloration; P. ursina is distinguished by its specific combination of hairy body, color pattern, and size.

More Details

Subspecies

Four are recognized: P. u. piceola Saylor, 1940; P. u. rotunda; P. u. rubripennis; and P. u. ursina.

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Sources and further reading