Checklist for Suborder Polyphaga Emery, 1886 (Polyphags) and region Helen (St. Mary´s County, Maryland, USA)
List of families for Helen (St. Mary´s County) 5 Families width 7 Species
Genera for Helen (St. Mary´s County) 6 Genera with 7 Species
Species list for Helen (St. Mary´s County) 7 Species
Subnodes of Polyphaga with occurrences in Helen (St. Mary´s County)
Links, sources and further information Polyphaga at artfakta.se Polyphaga at dyntaxa.se Polyphaga at gbif.org Polyphaga at irmng.org Polyphaga at itis.gov Polyphaga at itis.gov
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