Pinhead Wisp (Agriocnemis femina)

The Pinhead Wisp (Agriocnemis femina) is a damselfly species of the family Coenagrionidae, which contains 30 species in Australia.

The identification key to the family Coenagrionidae consists of 54 couplets, 6 of which are pertinent to Agriocnemis femina. 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.
	Coenagrionidae	Pinhead Wisp (Agriocnemis femina)	Coenagrionidae: Key couplet 1 of 54 ● Arculus in hindwing situated beyond distal antenodal crossvein by at least the length of subcostal part of antenodal ○ Very small damselflies, hindwing shorter than 14 mm ⇒ genus: Agriocnemis a ↑ Coenagrionidae: Key couplet 3 of 54 ● Inferior anal appendages much longer than superiors ⇒ species: Pinhead Wisp (Agriocnemis femina) a ↑ Coenagrionidae: Key couplet 8 of 54 ● Posterior lobe of pronotum well developed b ↑ Coenagrionidae: Key couplet 9 of 54 ● Central part of posterior lobe of pronotum, if differentiated from rest, a single, upright flap, or depressed b ↑ Coenagrionidae: Key couplet 10 of 54 ● Posterior lobe of pronotum upright, shallowly to deeply depressed in midline a ↑ Coenagrionidae: Key couplet 11 of 54 ● Small dark spot at upper end of metapleural suture ⇒ species: Pinhead Wisp (Agriocnemis femina) b ↑
1			Coenagrionidae: Key couplet 1 of 54 ● Arculus in hindwing situated beyond distal antenodal crossvein by at least the length of subcostal part of antenodal ○ Very small damselflies, hindwing shorter than 14 mm ⇒ genus: Agriocnemis a ↑ b ↓ ○ Damselflies without this combination of characters
2		Male only	Coenagrionidae: Key couplet 3 of 54 ● Inferior anal appendages much longer than superiors ⇒ species: Pinhead Wisp (Agriocnemis femina) a ↑ b ↓ ● Inferior anal appendages almost the same length as, or shorter than, superiors
3		Female only	Coenagrionidae: Key couplet 8 of 54 ● Posterior lobe of pronotum reduced to low rim ⇒ species: Pygmy Wisp (Agriocnemis pygmaea) a ↑ b ↓ ● Posterior lobe of pronotum well developed
4		Female only	Coenagrionidae: Key couplet 9 of 54 ● Central part of posterior lobe of pronotum a broad, posterior flap, depressed in midline with, in front of it, a narrower, upright lobe ⇒ species: Tropical Wisp (Agriocnemis dobsoni) a ↑ b ↓ ● Central part of posterior lobe of pronotum, if differentiated from rest, a single, upright flap, or depressed
5		Female only	Coenagrionidae: Key couplet 10 of 54 ● Posterior lobe of pronotum upright, shallowly to deeply depressed in midline a ↑ b ↓ ● Central part of superior lobe of pronotum, if differentiated, a simple or trilobed flap, usually highest in midline
6			Coenagrionidae: Key couplet 11 of 54 ● Black line present along upper half or more of metapleural suture ⇒ species: Pilbara Wisp (Agriocnemis kunjina) a ↑ b ↓ ● Small dark spot at upper end of metapleural suture ⇒ species: Pinhead Wisp (Agriocnemis femina)