Orange Threadtail (Nososticta solida)

The Orange Threadtail (Nososticta solida) is a damselfly species of the family Disparoneurinae, which contains 12 species in Australia.

The identification key to the family Disparoneurinae consists of 23 couplets, 6 of which are pertinent to Nososticta solida. 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.
	Disparoneurinae	Orange Threadtail (Nososticta solida)	Disparoneurinae: Key couplet 2 of 23 ○ Wing membrane hyaline or yellow b ↑ Disparoneurinae: Key couplet 4 of 23 ○ Antehumeral stripes bright orange a ↑ Disparoneurinae: Key couplet 5 of 23 ○ Antehumeral stripes narrower, occupying outer half to two-thirds of mesanepisternum ⇒ species: Orange Threadtail (Nososticta solida) b ↑ Disparoneurinae: Key couplet 13 of 23 ● Posterior lobe of pronotum reflexed, scoop-shaped, strongly concave above, uniformly rounded to subtriangular with rounded apex a ↑ Disparoneurinae: Key couplet 14 of 23 ○ Abdominal tergum 1 pale to dull orange a ↑ Disparoneurinae: Key couplet 15 of 23 ● Posterior lobe deeply concave, its edges strongly bowed in profile ⇒ species: Orange Threadtail (Nososticta solida) b ↑
1		Male only	Disparoneurinae: Key couplet 2 of 23 ○ Central portion of the wings with brown to black markings a ↑ b ↓ ○ Wing membrane hyaline or yellow
2		Male only	Disparoneurinae: Key couplet 4 of 23 ○ Antehumeral stripes bright orange a ↑ b ↓ ○ Antehumeral stripes ochraceus, with whitish, pale green or blue
3		Male only	Disparoneurinae: Key couplet 5 of 23 ● Antehumeral stripes broad, occupying much of mesanepisternum ⇒ species: Pilbara Threadtail (Nososticta pilbara) a ↑ b ↓ ○ Antehumeral stripes narrower, occupying outer half to two-thirds of mesanepisternum ⇒ species: Orange Threadtail (Nososticta solida)
4		Female only	Disparoneurinae: Key couplet 13 of 23 ● Posterior lobe of pronotum reflexed, scoop-shaped, strongly concave above, uniformly rounded to subtriangular with rounded apex a ↑ b ↓ ● Posterior lobe of pronotum not scoop-shaped ● Apex, if defined, protuberant from lateral contour of lobe
5		Female only	Disparoneurinae: Key couplet 14 of 23 ○ Abdominal tergum 1 pale to dull orange a ↑ b ↓ ○ Abdominal tergum 1 dark brown or black above
6		Female only	Disparoneurinae: Key couplet 15 of 23 ● Posterior lobe of pronotum shallowly concave, its edges almost straight in profile ⇒ species: Pilbara Threadtail (Nososticta pilbara) a ↑ b ↓ ● Posterior lobe deeply concave, its edges strongly bowed in profile ⇒ species: Orange Threadtail (Nososticta solida)