DragonflyPix

Intermediate Whitetip (Episynlestes intermedius)

The Intermediate Whitetip (Episynlestes intermedius) is a damselfly species of the family Synlestidae, which contains 6 species in Australia.

The identification key to the family Synlestidae consists of 8 couplets, 5 of which are pertinent to Episynlestes intermedius. 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.
 SynlestidaeIntermediate Whitetip
(Episynlestes intermedius)
  • Synlestidae: Key couplet 1 of 8

  • ○ Anal appendages in both sexes and at least segment 10 of female substantially white

    ⇒ genus: Episynlestes
  • a ↑
  • Synlestidae: Key couplet 3 of 8

  • couplet drawing
  • ● Superior anal appendages with very conspicuous dorsal lobe
  • b ↑
  • Synlestidae: Key couplet 4 of 8

  • couplet drawing
  • ● Inner branch of superior anal appendages with step-like notch on outer side

    ⇒ species: Intermediate Whitetip (Episynlestes intermedius)
  • a ↑
  • Synlestidae: Key couplet 5 of 8

  • ○ Larger species, hindwing generally longer than 30 mm
    ○ Pterostigma 1.8-2.2 mm
    ○ South from Eungella area
  • b ↑
  • Synlestidae: Key couplet 6 of 8

  • ○ From the Eungella area

    ⇒ species: Intermediate Whitetip (Episynlestes intermedius)
  • b ↑
1  
  • Synlestidae: Key couplet 1 of 8

  • ○ Anal appendages in both sexes and at least segment 10 of female substantially white

    ⇒ genus: Episynlestes
a ↑
b ↓
  • ○ Anal appendages in both sexes and at least segment 10 of female substantially dark

    ⇒ genus: Synlestes

2 Male only
  • Synlestidae: Key couplet 3 of 8

  • couplet drawing
  • ● Superior anal appendages lacking conspicuous dorsal armature

    ⇒ species: Southern Whitetip (Episynlestes albicauda)
a ↑
b ↓
  • couplet drawing
  • ● Superior anal appendages with very conspicuous dorsal lobe

3 Male only
  • Synlestidae: Key couplet 4 of 8

  • couplet drawing
  • ● Inner branch of superior anal appendages with step-like notch on outer side

    ⇒ species: Intermediate Whitetip (Episynlestes intermedius)
a ↑
b ↓
  • couplet drawing
  • ● Inner branch of superior anal appendages bifid

    ⇒ species: Tropical Whitetip (Episynlestes cristatus)

4  
  • Synlestidae: Key couplet 5 of 8

  • ○ Smaller species, hindwing generally shorter than 30 mm
    ○ Pterostigma 1.5-1.9 mm
    ○ North from Paluma area

    ⇒ species: Tropical Whitetip (Episynlestes cristatus)
a ↑
b ↓
  • ○ Larger species, hindwing generally longer than 30 mm
    ○ Pterostigma 1.8-2.2 mm
    ○ South from Eungella area

5  
  • Synlestidae: Key couplet 6 of 8

  • ○ From north-eastern New South Wales and south-eastern Queensland, north to the Rockhampton area

    ⇒ species: Southern Whitetip (Episynlestes albicauda)
a ↑
b ↓
  • ○ From the Eungella area

    ⇒ species: Intermediate Whitetip (Episynlestes intermedius)

Australian distribution