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BC Conservation Data Centre: Conservation Status Report

Argia emma
Emma's Dancer


 
Scientific Name: Argia emma
English Name: Emma's Dancer
   
Provincial Status Summary
Status: S3S4
Date Status Assigned:
Date Last Reviewed: March 15, 2023
Reasons: This species is found south of about 51 degrees N and is most common in the Fraser and Okanagan valleys, where threats are relatively high. Occurrences are scattered, and the species is often not present where the habitat appears suitable. In general, uncommon but not rare, and can be abundant when found.
 
Range
Range Extent: F = 20,000-200,000 square km
Range Extent Estimate (km2): 58140
Range Extent Comments: This species is found in southwest BC, primarily in the Fraser, Okanagan, Similkameen and Kettle Valleys, for and approximate range extent of 58,140 km2.
Area of Occupancy (km2): E = 26-125
 
Occurrences & Population
Number of Occurrences: C = 21 - 80
Comments: Close to 80 sites.
Number of Occurrences with Good Viability / Ecological Integrity: Rank Factor not assessed
Number of Occurrences Appropriately Protected & Managed: Rank Factor not assessed
Population Size: Rank Factor not assessed
 
Threats (to population, occurrences, or area affected)
Degree of Threat: CD = Medium - low
Comments: Mainly found in areas with extensive development occurring and where there may be risks to the habitat.
 
Trend (in population, range, area occupied, and/or condition of occurrences)
Short-Term Trend: Rank Factor not assessed
Long-Term Trend: Rank Factor not assessed
 
Other Factors
Intrinsic Vulnerability: Rank Factor not assessed
Environmental Specificity: Rank Factor not assessed
Other Rank Considerations:
 
Information Gaps
Research Needs:
Inventory Needs:
 
Stewardship
Protection:
Management:
 
Version
Author: Ramsay, L. (2023); Cannings, R.A. and L. Ramsay (2015)
Date: March 05, 2023
 
References
Cannings, R.A. 2002b. Introducing the dragonflies of British Columbia and the Yukon. Royal B.C. Mus., Victoria, BC. 96pp.
GBIF.org. 2023p. GBIF. Occurrence Download for Argia emma. https://doi.org/10.15468/dl.fr73md Accessed February 2023
 

Please visit the website Conservation Status Ranks for information on how the CDC determines conservation status ranks. For global conservation status reports and ranks, please visit the NatureServe website http://www.natureserve.org/.

Suggested Citation:

B.C. Conservation Data Centre. 2023. Conservation Status Report: Argia emma. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 5, 2026).