DragonflyPix

Papuan Demoiselle (Neurobasis australis)

The Papuan Demoiselle (Neurobasis australis) is a damselfly species of the family Calopterygidae, which contains 1 species in Australia.

The identification key to the Suborders and Families consists of 26 couplets, 4 of which are pertinent to Neurobasis australis. Click on the numbers on the right to display the corresponding couplets.

#FamilySpeciesCouplet No.
 CalopterygidaePapuan Demoiselle
(Neurobasis australis)
  • Calopterygidae: Key couplet 1 of 26

  • couplet drawingcouplet drawing
    couplet drawing
  • ● Discoidal cell a simple quadrilateral, sometimes traversed by crossveins occasionally open at base

    ⇒ suborder: Zygoptera (damselflies)
  • a ↑
  • Calopterygidae: Key couplet 2 of 26

  • couplet drawingcouplet drawing
  • ● Several antenodal crossveins, the extra veins not necessarily extending across both costal and subcostal spaces
  • b ↑
  • Calopterygidae: Key couplet 11 of 26

  • couplet drawing
  • ● Numerous antenodal crossveins in both the costal and subcostal spaces
  • b ↑
  • Calopterygidae: Key couplet 12 of 26

  • couplet drawing
  • ○ Abdomen much longer than wings
    ● Pterostigma absent

    ⇒ family: species: Calopterygidae: Papuan Demoiselle (Neurobasis australis)
  • a ↑
1  
  • Calopterygidae: Key couplet 1 of 26

  • couplet drawingcouplet drawing
    couplet drawing
  • ● Discoidal cell a simple quadrilateral, sometimes traversed by crossveins occasionally open at base

    ⇒ suborder: Zygoptera (damselflies)
a ↑
b ↓
  • couplet drawingcouplet drawing
    couplet drawingcouplet drawing
    couplet drawingcouplet drawing
  • ● Discoidal cell divided into hypertriangle and triangle, often differing in shape in fore- and hindwing, and often traversed by crossveins

    ⇒ suborder: Epiprocta (dragonflies)

2  
  • Calopterygidae: Key couplet 2 of 26

  • couplet drawing
  • ● Normally two antenodal crossveins, both extending across costal and subcostal spaces
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Several antenodal crossveins, the extra veins not necessarily extending across both costal and subcostal spaces

3  
  • Calopterygidae: Key couplet 11 of 26

  • couplet drawing
  • ● Only the two basal antenodal crossveins extending across both costal and subcostal spaces, the additional crossveins confined to the costal space

    ⇒ family: genus: Diphlebiidae: Diphlebia
a ↑
b ↓
  • couplet drawing
  • ● Numerous antenodal crossveins in both the costal and subcostal spaces

4  
  • Calopterygidae: Key couplet 12 of 26

  • couplet drawing
  • ○ Abdomen much longer than wings
    ● Pterostigma absent

    ⇒ family: species: Calopterygidae: Papuan Demoiselle (Neurobasis australis)
a ↑
b ↓
  • couplet drawing
  • ○ Abdomen shorter than wings
    ● Pterostigma present

    ⇒ family: species: Chlorocyphidae: Papuan Jewel (Rhinocypha tincta semitincta)

Australian distribution