Obscure Marsh Fly

Helophilus obscurus

General Status Rank: 
Secure
Common Name: 
Obscure Marsh Fly
Scientific Name: 
Helophilus obscurus
Naming References: 
WSS001
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Taxonomy
Group: 
Fly (Flower Fly)
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Diptera
Family: 
Syrphidae
Distribution

Ecozones

Taiga Plains, Taiga Shield
References: 
HSS009

Distribution

Score: 
G
References: 
HSS008

Number of Occurrences

4 occurrences in Hay River, 11 occurrences 1km from Fort Simpson, 2 occurrences 2km from Yellowknife, 1 occurrence 17km from Lutselk'e, 1 occurrence 1km from Edzo, 16 occurrences in Norman Wells, 1 occurrence 71km from Colville Lake, and 3 occurrences 38km from Inuvik (HSS009)
Score: 
BD
References: 
HSS008
HSS009

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C
References: 
HSS008

Intrinsic Vulnerability

Score: 
-
References: 
HSS008
General Status Rank
Rank: 
Secure
Status Rank Description: 
Forty-one specimens known from eight localities throughout NT. Larvae are saprophagous. Habitat not likely rare.
S Rank: 
S4S5
Decision Process Description: 
Newly ranked in 2014 by Jeff Skevington, with the help of Michelle Locke and Andrew Young, using the NatureServe Canada Rank Calculator.
Last Updated: 
June 18, 2015

References

Ecozones

  • Skevington, Jeff (2014) Unpublished data Copy of NWT Syrphidae received 1/08/2014. - HSS009 Return

Intrinsic Vulnerability

  • Hebert, Remi (2014) Flower Fly - An e-mail RE: Moss and lichens or moths with ranks proposed by Jeff Skevington with the help of Michelle Locke and Andrew (07/16/2014 at 11:22 AM). - HSS008 Return

Naming

  • Skevington, Jeff (2014) Neararctic Syrphidae Checklist http://www.canacoll.org/Diptera/Staff/Skevington/Syrphidae/Syrphidae_Nearctic_Checklist.htm. - WSS001 Return

Number of Occurrences

  • Hebert, Remi (2014) Flower Fly - An e-mail RE: Moss and lichens or moths with ranks proposed by Jeff Skevington with the help of Michelle Locke and Andrew (07/16/2014 at 11:22 AM). - HSS008 Return
  • Skevington, Jeff (2014) Unpublished data Copy of NWT Syrphidae received 1/08/2014. - HSS009 Return

Range Extent

  • Hebert, Remi (2014) Flower Fly - An e-mail RE: Moss and lichens or moths with ranks proposed by Jeff Skevington with the help of Michelle Locke and Andrew (07/16/2014 at 11:22 AM). - HSS008 Return

Threats

  • Hebert, Remi (2014) Flower Fly - An e-mail RE: Moss and lichens or moths with ranks proposed by Jeff Skevington with the help of Michelle Locke and Andrew (07/16/2014 at 11:22 AM). - HSS008 Return