DragonflyPix

Spiny-Chested Percher (Raphismia bispina)

The Spiny-Chested Percher (Raphismia bispina) is a dragonfly species of the family Libellulidae, which contains 56 species in Australia.

The identification key to the family Libellulidae consists of 67 couplets, 4 of which are pertinent to Raphismia bispina. 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.

#FamilySpeciesCouplet No.
 LibellulidaeSpiny-Chested Percher
(Raphismia bispina)
  • Libellulidae: Key couplet 1 of 67

  • couplet drawing
  • ● Distal antenodal of forewing incomplete, only the costal section present
  • b ↑
  • Libellulidae: Key couplet 35 of 67

  • couplet drawing
  • ● Hindwing triangle free
  • b ↑
  • Libellulidae: Key couplet 39 of 67

  • ○ Not as above
  • b ↑
  • Libellulidae: Key couplet 40 of 67

  • couplet drawing
  • ● Base of hindwing triangle well beyond arculus

    ⇒ species: Spiny-Chested Percher (Raphismia bispina)
  • a ↑
1  
  • Libellulidae: Key couplet 1 of 67

  • couplet drawing
  • ● Distal antenodal of forewing complete, both costal and subcostal sections present
a ↑
b ↓
  • couplet drawing
  • ● Distal antenodal of forewing incomplete, only the costal section present

2  
  • Libellulidae: Key couplet 35 of 67

  • couplet drawing
  • ● Hindwing triangle crossed
a ↑
b ↓
  • couplet drawing
  • ● Hindwing triangle free

3  
  • Libellulidae: Key couplet 39 of 67

  • couplet drawingcouplet drawing
  • ○ Small (hindwing c. 25 mm)
    ● Synthorax and abdomen black with well-defined pale yellowish-green markings

    ⇒ species: Forestwatcher (Huonia melvillensis) (part)
a ↑
b ↓
  • ○ Not as above

4  
  • Libellulidae: Key couplet 40 of 67

  • couplet drawing
  • ● Base of hindwing triangle well beyond arculus

    ⇒ species: Spiny-Chested Percher (Raphismia bispina)
a ↑
b ↓
  • couplet drawing
  • ● Base of hindwing triangle at or slightly proximal to arculus

Australian distribution