Alpine Redspot (Austropetalia tonyana)

The Alpine Redspot (Austropetalia tonyana) is a dragonfly species of the family Austropetaliidae, which contains 3 species in Australia.

The identification key to the family Austropetaliidae consists of 2 couplets, 2 of which are pertinent to Austropetalia tonyana. Click on the numbers on the right to display the corresponding couplets. Or click on the ALLin1 button to see all the relevant couplets together in a single, scrollable window.

#	Family	Species	Couplet No.
	Austropetaliidae	Alpine Redspot (Austropetalia tonyana)	Austropetaliidae: Key couplet 1 of 2 ● Eyes meeting or almost meeting in midline ○ Known only from mainland Australia b ↑ Austropetaliidae: Key couplet 2 of 2 ○ Frons without pale line along crest ● Yellow stripes on front of synthorax moderately wide and separated by less than three times their maximum width near antealar ridge, thence slightly and rather evenly tapered to a point ● Wing membrane of female not pigmented along subcostal crossveins between the primaries ● Superior anal appendages of male rather stout, c. one-third as wide as long, straight and with apex rounded ○ Only south of 35°S ⇒ species: Alpine Redspot (Austropetalia tonyana) b ↑
1			Austropetaliidae: Key couplet 1 of 2 ● Eyes separated in midline by a distance comparable to width of median ocellus ○ Known only from Tasmania ⇒ species: Tasmanian Redspot (Archipetalia auriculata) a ↑ b ↓ ● Eyes meeting or almost meeting in midline ○ Known only from mainland Australia
2			Austropetaliidae: Key couplet 2 of 2 ○ Frons has pale line along crest or at least along its lateral portions ● Yellow stripes on front of synthorax narrow, parallel-sided for most of their length and separated by more than three times their maximum width ● Wing membrane of female strongly pigmented along several subcostal crossveins between the primaries ● Superior anal appendages of male slender, c. one-quarter as wide as long, convergent with slight bend at about midlength and with apex angulate ○ Only north of 35°S ⇒ species: Waterfall Redspot (Austropetalia patricia) a ↑ b ↓ ○ Frons without pale line along crest ● Yellow stripes on front of synthorax moderately wide and separated by less than three times their maximum width near antealar ridge, thence slightly and rather evenly tapered to a point ● Wing membrane of female not pigmented along subcostal crossveins between the primaries ● Superior anal appendages of male rather stout, c. one-third as wide as long, straight and with apex rounded ○ Only south of 35°S ⇒ species: Alpine Redspot (Austropetalia tonyana)