Taxonomic status of Cercyon alpinus, C. exorabilis, C. strandi and C. tatricus and notes on their biology (Coleoptera: Hydrophilidae: Sphaeridiinae)

Abstract

Taxonomic status of four species of Cercyon alpinus species group is revised, differential diagnoses are prepared, distribution and bionomy of the species is discussed

Keywords

• taxonomy
• synonymy
• faunistics
• Coleoptera
• Hydrophiloidea
• Hydrophilidae
• Sphaeridiinae
• Cercyon
• Palaearctic region