Silpha

Linnaeus, 1758

carrion beetles

Silpha is the of , now classified within as Silphinae. to the Old World, with one in Canada. Historically centered in Europe, but taxonomic revision since the late 20th century has revealed or revalidated multiple species from eastern Asia and Africa. The genus has a fossil record extending to the late Oligocene, approximately 25 million years ago.

Silpha by (c) Stanislav Snäll, some rights reserved (CC BY). Used under a CC-BY license.Silpha by (c) Stanislav Snäll, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Silpha: /ˈsɪlfə/

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Identification

Distinguished from related by combination of characters typical of Silphini; specific diagnostic features vary by . Members of the Silpha carinata group share certain morphological traits, though species-level identification often requires examination of elytral , body proportions, and in some cases, genitalic characters. Silpha longicornis exhibits geographic variation in body size and elytral coloration correlated with climatic gradients.

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Habitat

Varied; includes alpine environments (S. alpestris), forested and open . Silpha longicornis in Japan occupies multiple microhabitats across the archipelago. Specific microhabitat preferences vary by and require individual assessment.

Distribution

Old World range: Europe, Asia (including Japan, Korea, Nepal), and Africa. One to Canada. Silpha carinata is widespread across Europe. Silpha longicornis to Japan. Silpha koreana endemic to Korea. Silpha capicola occurs in South Africa.

Similar Taxa

  • HeterosilphaFormerly included in Silpha; distinguished by different ecological habits including feeding on vegetable matter and soft-bodied rather than strict carrion association
  • Phosphuga atrataOriginally described in Silpha but now placed in separate ; distinct in and biology
  • NicrophorusBurying in Nicrophorinae; distinguished by parental care and small vertebrate burial habits not found in Silpha
  • OiceoptomaRelated silphine ; requires careful examination of pronotal and elytral characters for separation
  • ThanatophilusRelated silphine of ; morphological separation often subtle and -dependent

Sources and further reading