DragonflyPix

Black Knight (Camacinia othello)

The Black Knight (Camacinia othello) 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, 9 of which are pertinent to Camacinia othello. 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.
 LibellulidaeBlack Knight
(Camacinia othello)
  • Libellulidae: Key couplet 1 of 67

  • couplet drawing
  • ● Distal antenodal of forewing complete, both costal and subcostal sections present
  • a ↑
  • Libellulidae: Key couplet 1 of 67

  • couplet drawing
  • ● Distal antenodal of forewing incomplete, only the costal section present
  • b ↑
  • Libellulidae: Key couplet 2 of 67

  • couplet drawingcouplet drawing
  • ● Anal loop present
  • b ↑
  • Libellulidae: Key couplet 9 of 67

  • couplet drawing
  • ● Anal loop well developed, generally stocking-shaped, usually closed at tip
  • b ↑
  • Libellulidae: Key couplet 14 of 67

  • ○ Not as above
  • b ↑
  • Libellulidae: Key couplet 15 of 67

  • couplet drawing
  • ● Base of hindwing triangle at or proximal to arculus
    ○ Top of frons, if metallic, dully so
  • b ↑
  • Libellulidae: Key couplet 20 of 67

  • ○ Large dragonflies, hindwing 45 mm or longer, wing membrane extensively marked with reddish- or blackish-brown

    ⇒ species: Black Knight (Camacinia othello) (part)
  • a ↑
  • Libellulidae: Key couplet 35 of 67

  • couplet drawing
  • ● Hindwing triangle crossed
  • a ↑
  • Libellulidae: Key couplet 36 of 67

  • ○ Large dragonflies, hindwing longer than 45 mm

    ⇒ species: Black Knight (Camacinia othello) (part)
  • a ↑
1 (part)
  • 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 (part)
  • 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

3  
  • Libellulidae: Key couplet 2 of 67

  • couplet drawing
  • ● Hindwing lacking anal loop

    ⇒ genus: Nannophya
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Anal loop present

4  
  • Libellulidae: Key couplet 9 of 67

  • couplet drawing
  • ● Anal loop rounded, poorly developed, of three to five cells
a ↑
b ↓
  • couplet drawing
  • ● Anal loop well developed, generally stocking-shaped, usually closed at tip

5  
  • Libellulidae: Key couplet 14 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

6  
  • Libellulidae: Key couplet 15 of 67

  • couplet drawing
  • ● Base of hindwing triangle just beyond to well beyond arculus
    ○ Top of frons brilliant metallic blue or green, particularly in male
a ↑
b ↓
  • couplet drawing
  • ● Base of hindwing triangle at or proximal to arculus
    ○ Top of frons, if metallic, dully so

7  
  • Libellulidae: Key couplet 20 of 67

  • ○ Large dragonflies, hindwing 45 mm or longer, wing membrane extensively marked with reddish- or blackish-brown

    ⇒ species: Black Knight (Camacinia othello) (part)
a ↑
b ↓
  • ○ Smaller dragonflies, hindwing up to 40 mm long
    ○ Wings patterned or hyaline

8  
  • Libellulidae: Key couplet 35 of 67

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

9  
  • Libellulidae: Key couplet 36 of 67

  • ○ Large dragonflies, hindwing longer than 45 mm

    ⇒ species: Black Knight (Camacinia othello) (part)
a ↑
b ↓
  • ○ Smaller dragonflies, hindwing markedly shorter than 45 mm

Australian distribution