Dragonflies: Notoaeschna sagittata

Damselflies Austroagrion cyane Austroagrion watsoni Austroargiolestes calcaris Austrocnemis splendida Austrolestes annulosus Austrolestes aridus Austrolestes cingulatus Austrolestes io Austrolestes leda Austrolestes psyche Coenagrion lyelli Hemiphlebia mirabilis Ischnura aurora Ischnura heterosticta Pseudagrion microcephalum Xanthagrion erythroneurum Dragonflies Anax papuensis Archaeosynthemis orientalis Austroaeschna ingrid Austroaeschna multipunctata Austroaeschna unicornis Austrogomphus guerini Austropetalia tonyana Austrothemis nigrescens Crocothemis nigrifrons Dendroaeschna conspersa Diplacodes bipunctata Diplacodes haematodes Diplacodes melanopsis Diplacodes trivialis Eusynthemis virgula Hemicordulia australiae Hemicordulia tau Notoaeschna sagittata Orthetrum caledonicum Parasynthemis regina Petalura gigantea Procordulia jacksoniensis Synthemis eustalacta Telephlebia brevicauda
distribution map
Source: ALA

♂ Aberfeldy River, VIC

♀ Wonnangatta River, VIC

♀ depositing eggs on rock
more
Common Namesouthern riffle darner
FamilyTelephlebiidae (Darners)
Genus/SpeciesNotoaeschna sagittata (Martin, 1901)
Abundance &
Distribution
Occurs only south of the Hunter River, reasonably common from Sydney to Melbourne.
HabitatFound at rocky rivers where boulders emerge at rapids.
Description &
Identification
These are large, brown dragonflies with distinctive forward-pointing pale yellow triangles on most abdominal segments.
Similar SpeciesAlthough there is a northern riffle darner, Notoaeschna geminata, it is found only north of the Hunter River and its abdominal markings are less bold. No other darners have the large triangles.
Behaviour &
Observations
This species breeds around rapids and its larvae live under boulders in this habitat. I was amazed the first time I saw a female of this species on a rock, depositing eggs on its side, while the water rushed over her. View a video of a Notoaeschna sagittata depositing her eggs.

Page Updated: 4-Apr-2016
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