Species Details
Aeshna juncea
Freshwater Invertebrate Collection Read more about this collection »
Common NameRush Darner
SeasonalityJune to September in British Columbia (Paulson, 2009).
IdentificationBlue and yellow stripes on lateral sides thorax are straight and broad (Figure 2). Similar in appearance to Subarctic Darners(A. subarctica) but differnt by having straight thoracic stripes (instead of slightly notched). Also somewhat similar to Variable Darners (A. interrupta) but different by having broader thoracic stripes. They are easily differentiated from other congeneric species by their thoracic stripe pattern (Paulson, 2009).
Scientific Name
Aeshna juncea
Common Name
Rush Darner
Seasonality
June to September in British Columbia (Paulson, 2009).
Identification
Blue and yellow stripes on lateral sides thorax are straight and broad (Figure 2). Similar in appearance to Subarctic Darners(A. subarctica) but differnt by having straight thoracic stripes (instead of slightly…
Blue and yellow stripes on lateral sides thorax are straight and broad (Figure 2). Similar in appearance to Subarctic Darners(A. subarctica) but differnt by having straight thoracic stripes (instead of slightly notched). Also somewhat similar to Variable Darners (A. interrupta) but different by having broader thoracic stripes. They are easily differentiated from other congeneric species by their thoracic stripe pattern (Paulson, 2009).
Life History
Females oviposit on floating vegetation. Nymphs are aquatic predators among vegetation and are mainly found in acidic waters. Adults are terrestrial and hunt insects in flight (Cannings, 2002).
Conservation
Common (Cannings, 2002).
Diet Info
Both adults and nymphs are predatory (Cannings, 2002).
Range
Circumpolar in boreal regions around the world (Hutchings and Halstead, 2011).
Citation
Page Citation for Aeshna juncea
Page Citation
"Species Details - Aeshna juncea, Freshwater Invertebrate Collection." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/5-24208. Accessed 05 Feb. 2025.
References
Author
Hutchings, G. and Halstead, D.
Title
Dragonflies & Damselflies in the Hand: An Identification Guide to Boreal Forest Odonates in Saskatchewan and Adjacent Regions.
Publication Date
2011
Pages
158 pp
Author
Paulson, D. R.
Title
Dragonflies and Damselflies of the West.
Publication Date
2009
Pages
535 pp
Author
Cannings, R. A.
Title
Introducing the dragonflies of British Columbia and the Yukon.
Publication Date
2002
Pages
96 pp
Author
Schroeter, A.
Title
Upper altitudinal limit and habitat preference of Aeshna juncea in the Kyrgyz Tian Shan (Odonata: Aeshnidae).
Publication Date
2012
Series Title
Libellula Supplement
Volume
12
Pages
49-76
Specimen Information
There are 5 specimens of this Species.
IN905 - Aeshna juncea
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Cynthia
Collected ByBaker, R. L.
IN906 - Aeshna juncea
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Cynthia
Collected ByBaker, R. L.
IN1538 - Aeshna juncea
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Cynthia
Collected ByBaker, R. L.
Date Collected1979-07-25
IN1539 - Aeshna juncea
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Cynthia
Collected ByBaker, R. L.
Date Collected1979-08-27
IN1540 - Aeshna juncea
Freshwater Invertebrate Collection
Place CollectedCanada: Alberta, Bigoray River
Collected ByBaker, R. L.