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Ancyronyx
''Ancyronyx'', commonly known as spider water beetles or spider riffle beetles, is a genus of aquatic riffle beetles from North America, South Asia, China, and Southeast Asia. They are small beetles with extremely long legs ending in strong claws. Both the adults and the larvae are found underwater in the shallow riffles of streams and rivers, clinging to rocks or submerged wood. They feed on algae and decaying wood tissue. The genus contains twenty-one species, eleven of which are endemic to the Philippines. Taxonomy The genus ''Ancyronyx'' was established in 1847 by the German entomologist Wilhelm Ferdinand Erichson based on the type species '' Macronychus variegatus'' first described in 1824 by the German coleopterologist Ernst Friedrich Germar. It was regarded as a monotypic species until the French entomologist Antoine Henri Grouvelle described the second species, ''A. acaroides'' in 1896. It is the sole member of the tribe Ancyronychini, and is classified under the sub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancyronyx Schillhammeri
''Ancyronyx'', commonly known as spider water beetles or spider riffle beetles, is a genus of aquatic habitat, aquatic riffle beetles from North America, South Asia, China, and Southeast Asia. They are small beetles with extremely long legs ending in strong claws. Both the adults and the larvae are found underwater in the shallow riffles of streams and rivers, clinging to rocks or submerged wood. They feed on algae and decaying wood tissue. The genus contains twenty-one species, eleven of which are endemism, endemic to the Philippines. Taxonomy The genus ''Ancyronyx'' was established in 1847 by the German entomologist Wilhelm Ferdinand Erichson based on the type species ''Ancyronyx variegatus, Macronychus variegatus'' first described in 1824 by the German coleopterologist Ernst Friedrich Germar. It was regarded as a monotypic species until the French people, French entomologist Antoine Henri Grouvelle described the second species, ''A. acaroides'' in 1896. It is the sole member ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
