Common Small Minnow Mayfly

Baetis tricaudatus

General Status Rank: 
Secure
Common Name: 
Common Small Minnow Mayfly
Scientific Name: 
Baetis tricaudatus
Naming References: 
A359
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Taxonomy
Group: 
Mayfly
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Ephemeroptera
Family: 
Baetidae
Distribution

Distribution

Panarctic
Score: 
FG
References: 
A347

Number of Occurrences

Known from at least 16 localities Data: Cobb et al. 1995 (records from 5 localities, Hole in wall cr, Flat R, Flat R stie 2, Clausen cr.above Ram cr in Nahanni National Park); Jones et al. 2003 (recorded) Lac de Gras; Rempel & Gill 2011 (373 specimens from 11 localities, Trout Lake Rd Xing 3, Vermillion Creek, Bosworth Creek, Chick Creek, Nadia Creek, RPR-075 (2005), RPR-117 (2005), RPR-481 (2007), South Snafu Creek, Tieda River, Travaillant River; NT:Liard R (13) NT:Martin R (113) NT:Trail River (22) NT:Bosworth Ck (5) NT:Unnamed MacTrib1 (4) NT:Travaillant Creek (1) NT:Unnamed Mactrib2 (8) NT:Horton River (14) NT:Bosworth Creek (75) NT:Tieda River (5) NT:South Snafu Ck (1) NT:Vermillion Creek (1) NT:Chick Creek (1) NT:Thelon River (14) and as a variant or new species: NT:Horton River (1) NU:Horton River (9)
Score: 
CE
References: 
R237
R239
A362
H329

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Known from at least 16 localities; Synonym = B. intermedius, B. moffati, B. incertans, B. jesmondensis, B. parallelus, B. vagans, B. moffatti (IT IS) ;; General Status rank in 2013 (by Colin Curry) = 4 = secure ;; Ref = Cobb, D.G., Flannagan, J.F., Flannagan, P.M.L. and Wickstrom, R.D. ; Widespread and common
S Rank: 
S4S5
Decision Process Description: 
Draft ranks by Colin Curry for the National General Status Ranking Program (2013)
Last Updated: 
May 11, 2017

References

Naming

  • McCafferty, W.P., and R.P. Randolph (1998) Canada mayflies: a faunistic compendium. Proc. Of the Ent. Soc. Of Ontario 129: 47-97 - A359 Return

NWT Known Subspecies

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

  • Cobb, D.G., Flannagan, J.F., Flannagan, P.M.L. and Wickstrom, R.D. (1995) Collections of Ephemeroptera from Kluane National Park, Yukon Territory, and Nahanni National Park, Northwest Territories, Canada. http://www.ephemeroptera-galactica.com/pubs/pub_c/pubcobbd1995p177.pdf - R237 Return
  • Rempel, L.L. & Gill, G.J. 2011 (2011) Bioassessment of streams along the Mackenzie River Valley, Canada, using the refernce condition approach: biological, habitat, landscape and climate data. Can. Data Rep. Fish. Aquat. Sci. 1236: viii + 247 p. - R239 Return
  • Jones, NE, Tonn, WM, Scrimgeour, GJ, and Katopodis, C. (2003) Ecological Characteristics of Streams in the Barrenlands near Lac de Gras, N.W.T., Canada. Arctic 56:249-261 - A362 Return
  • Giberson. D. (2017) How valid are old species lists? How archived samples can be used to update Ephemeroptera biodiversity information for Northern Canada.. Can Entomologist https://www.cambridge.org/core/journals/canadian-entomologist/article/how-valid-are-old-species-lists-how-archived-samples-can-be-used-to-update-ephemeroptera-biodiversity-information-for-northern-canada/F420368A7A35D60EDF6A5EB7826F1BA6 - H329 Return

Range Extent

  • Morihara, DK and McCafferty WP (1979) The Baetis Larvae of North America (Ephemeroptera: Baetidae). Transactions of the American Entomological Society 105(2): 139-221 - A347 Return