DragonflyPix

Western Swiftwing (Lathrocordulia metallica)

The Western Swiftwing (Lathrocordulia metallica) is a dragonfly species of the family Austrocorduliidae, which contains 11 species in Australia.

The identification key to the family Austrocorduliidae consists of 10 couplets, 6 of which are pertinent to Lathrocordulia metallica. 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.
 AustrocorduliidaeWestern Swiftwing
(Lathrocordulia metallica)
  • Austrocorduliidae: Key couplet 1 of 10

  • couplet drawingcouplet drawing
  • ● Two, occasionally more, cu-a in hindwing, or, costal side of hindwing triangle approximately twice as long as proximal side and discoidal field of hindwing beginning with one row of cells
  • b ↑
  • Austrocorduliidae: Key couplet 2 of 10

  • couplet drawing
  • ● Two, occasionally more, cu-a in hindwing
  • b ↑
  • Austrocorduliidae: Key couplet 5 of 10

  • couplet drawing
  • ● 1A of forewing bowed forwards between end of cell behind subtriangle and wing margin
    ● Anal loop beginning with row of two cells
  • b ↑
  • Austrocorduliidae: Key couplet 6 of 10

  • couplet drawing
  • ● Triangles of forewing and hindwing free
  • b ↑
  • Austrocorduliidae: Key couplet 7 of 10

  • couplet drawing
  • ● First 3-4 antenodals thickened in forewing
    ○ Abdomen bronze or black, without yellow markings

    ⇒ genus: Lathrocordulia
  • a ↑
  • Austrocorduliidae: Key couplet 8 of 10

  • couplet drawing
  • ● Male superior appendages broadest near basal third, tapering to convergent tips

    ⇒ species: Western Swiftwing (Lathrocordulia metallica)
  • b ↑
1  
  • Austrocorduliidae: Key couplet 1 of 10

  • couplet drawingcouplet drawing
  • ● Only one cu-a in hindwing
    ● Costal side of hindwing triangle up to 1.7 times the length of proximal side and discoidal side of hindwing beginning with two rows of cells

    ⇒ species: Orange Streamcruiser (Hesperocordulia berthoudi)
a ↑
b ↓
  • couplet drawingcouplet drawing
  • ● Two, occasionally more, cu-a in hindwing, or, costal side of hindwing triangle approximately twice as long as proximal side and discoidal field of hindwing beginning with one row of cells

2  
  • Austrocorduliidae: Key couplet 2 of 10

  • couplet drawing
  • ● One cu-a in hindwing

    ⇒ genus: Austrocordulia
a ↑
b ↓
  • couplet drawing
  • ● Two, occasionally more, cu-a in hindwing

3  
  • Austrocorduliidae: Key couplet 5 of 10

  • couplet drawing
  • ● 1A of forewing almost straight between end of cell behind subtriangle and wing margin
    ● Anal loop beginning with single cell

    ⇒ species: Rainforest Mystic (Austrophya mystica)
a ↑
b ↓
  • couplet drawing
  • ● 1A of forewing bowed forwards between end of cell behind subtriangle and wing margin
    ● Anal loop beginning with row of two cells

4  
  • Austrocorduliidae: Key couplet 6 of 10

  • couplet drawing
  • ● Triangles of forewing and hindwing crossed

    ⇒ species: Nighthawk (Apocordulia macrops)
a ↑
b ↓
  • couplet drawing
  • ● Triangles of forewing and hindwing free

5  
  • Austrocorduliidae: Key couplet 7 of 10

  • couplet drawing
  • ● First 3-4 antenodals thickened in forewing
    ○ Abdomen bronze or black, without yellow markings

    ⇒ genus: Lathrocordulia
a ↑
b ↓
  • couplet drawing
    couplet drawingcouplet drawing
  • ● First and third antenodals thickened in forewing
    ● Abdomen black with yellow markings on at least the first two terga

    ⇒ genus: Micromidia

6  
  • Austrocorduliidae: Key couplet 8 of 10

  • couplet drawing
  • ● Distal half of male superior appendages broader than basal half, inner margin of apical part straight

    ⇒ species: Queensland Swiftwing (Lathrocordulia garrisoni)
a ↑
b ↓
  • couplet drawing
  • ● Male superior appendages broadest near basal third, tapering to convergent tips

    ⇒ species: Western Swiftwing (Lathrocordulia metallica)

Australian distribution