Lapland Springfly

Diura bicaudata (Dictyoterygella postica)

General Status Rank: 
Secure
Common Name: 
Lapland Springfly
Scientific Name: 
Diura bicaudata (Dictyoterygella postica)
Synonyms: 
Dictyoterygella postica
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Taxonomy
Group: 
Stonefly
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Plecoptera
Family: 
Perlodidae
Distribution

Distribution

Large
Score: 
FG

Number of Occurrences

Known from at least 15 localities in the territory. Data: Ricker 1944 (records from 6 localities as Dictyopterygella postica) Aklavik, west branch Mack Delta, Ft Entreprise 1938, Lac de Gras,east end, Sifton Lake (Thelon); Stewart & Oswood 2006 (records from at least 9 localities): Clinton-Colden Lake, 63°55'N, 107d29'Wclinton-Colden Lake, 63°55'N, 10r29'Whorton River at 68, 231 123, 38, 68°23'N123°38'W, 23 Jul 2000 (call. D. Giberson) Horton River, 6r41'N, 122°39'W, 18-19 Jul 2000 (call. D. Currie and B. Brown) Keller Lake, 63°57'N, 121°35'W, 22 Jun 1962 (call. A. Peden) -Mackenzie delta, 68°N, 134°W, 17 Jun 1973 (call. NWT Pipeline - Limnology Project) Mackenzie River, Inuvik, 68°21'N, 133°43'W, 6 Jul 1972 (call. N. Snow) Muskox Lake, 64°38'N, 108°14'W, 20 Jul1953 (colI. J. Chillcott) Reindeer Station, Mackenzie River, 68°42'N134°08'W, 6 Jun-1 Jul1948 (coll. J. Vockeroth) , Thelon River (11 sites 2002, Giberson and Purcell)
Score: 
BE
References: 
H285
B202
A360

Area of Occupancy

Score: 
-
Threats

Threats

No recorded characteristics affecting vulnerability AND specialist Colin Curry ranked it as Secure = 4 on General Status rank (in 2013)
Score: 
C
References: 
H285

Intrinsic Vulnerability

Score: 
-
References: 
H285
General Status Rank
Rank: 
Secure
Status Rank Description: 
Synonyms = Dictyopterygella postica, D. hudsonica (http://plecoptera.speciesfile.org/Common/specimen/SpecimensByTaxon.aspx?TaxonNameID=3430 ) ;; General Status rank in 2013 (by Colin Curry) = 4 = secure ;; Ref = Ricker, W.E. 1944. Some Plecoptera from t
S Rank: 
S4S5
Decision Process Description: 
Draft ranks by Colin Curry for the National General Status Ranking Program (2013)
Last Updated: 
July 14, 2014

References

Intrinsic Vulnerability

  • Curry, Colin (2014) Two e-mails from R Hebert to S Carriere: GS EPTM NT and GS mayflies stoneflies caddisflies scorpionflies - Éphémères plécoptères trichoptères mécoptères SG:. received 13/05/2014: Curry, Colin mayflies, stoneflies, and caddisflies e-copy - H285 Return

Number of Occurrences

  • Curry, Colin (2014) Two e-mails from R Hebert to S Carriere: GS EPTM NT and GS mayflies stoneflies caddisflies scorpionflies - Éphémères plécoptères trichoptères mécoptères SG:. received 13/05/2014: Curry, Colin mayflies, stoneflies, and caddisflies e-copy - H285 Return
  • Stewart, K.W. and Oswood,M.W. (2006) The Stoneflies (Plecoptera) of Alaska and western Canada. The Caddis Press 325 pp. ENR Library - B202 Return
  • Ricker, W.E. (1944) Some Plecoptera from the Far North. The Canadian Entomologist September - A360 Return

Threats

  • Curry, Colin (2014) Two e-mails from R Hebert to S Carriere: GS EPTM NT and GS mayflies stoneflies caddisflies scorpionflies - Éphémères plécoptères trichoptères mécoptères SG:. received 13/05/2014: Curry, Colin mayflies, stoneflies, and caddisflies e-copy - H285 Return