DragonflyPix

Slender Tigertail (Tonyosynthemis ofarrelli)

The Slender Tigertail (Tonyosynthemis ofarrelli) is a dragonfly species of the family Synthemistidae, which contains 26 species in Australia.

The identification key to the family Synthemistidae consists of 26 couplets, 4 of which are pertinent to Tonyosynthemis ofarrelli. 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.
 SynthemistidaeSlender Tigertail
(Tonyosynthemis ofarrelli)
  • Synthemistidae: Key couplet 1 of 26

  • ○ Dark markings, if present, confined to basal parts of wings
  • b ↑
  • Synthemistidae: Key couplet 2 of 26

  • couplet drawing
  • ● Generally one crossvein in median space, sometimes two in one or two wings
  • a ↑
  • Synthemistidae: Key couplet 3 of 26

  • couplet drawingcouplet drawing
  • ● Labrum with black margin, often also with black stripe in midline

    ⇒ genus: Tonyosynthemis
  • a ↑
  • Synthemistidae: Key couplet 4 of 26

  • couplet drawing
  • ● Black stripe on metapleural suture interrupted over central third

    ⇒ species: Slender Tigertail (Tonyosynthemis ofarrelli)
  • b ↑
1  
  • Synthemistidae: Key couplet 1 of 26

  • ○ Wings with dark brown spots at nodus

    ⇒ species: Tasmanian Spotwing (Synthemiopsis gomphomacromioides)
a ↑
b ↓
  • ○ Dark markings, if present, confined to basal parts of wings

2  
  • Synthemistidae: Key couplet 2 of 26

  • couplet drawing
  • ● Generally one crossvein in median space, sometimes two in one or two wings
a ↑
b ↓
  • couplet drawing
  • ● Generally two to five crossveins in median space of all wings

3  
  • Synthemistidae: Key couplet 3 of 26

  • couplet drawingcouplet drawing
  • ● Labrum with black margin, often also with black stripe in midline

    ⇒ genus: Tonyosynthemis
a ↑
b ↓
  • couplet drawing
  • ● Labrum pale to brown, without black margin or midline

4  
  • Synthemistidae: Key couplet 4 of 26

  • couplet drawing
  • ● Black stripe on metapleural suture unbroken

    ⇒ species: Clavicle Tigertail (Tonyosynthemis claviculata)
a ↑
b ↓
  • couplet drawing
  • ● Black stripe on metapleural suture interrupted over central third

    ⇒ species: Slender Tigertail (Tonyosynthemis ofarrelli)

Australian distribution