101 654 Phyllomacromia monoceros Sable Cruiser Young Female Nwanedi LP RSA SEP 2016 Phyllomacromia monoceros Sable Cruiser Young Female Nwanedi LP RSA SEP 2016  Phyllomacromia monoceros Sable Cruiser

Sable Cruiser.  Swaartswalker

Previously known or also known as the Unicorn Cruiser or Black Cruiser

Phyllomacromia monoceros (Förster, 1906)
Images Male
Phyllomacromia monoceros Sable Cruiser Young Female Nwanedi LP RSA SEP 2016 Phyllomacromia monoceros Sable Cruiser RSA
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Short description:

Sable CruiserPhyllomacromia Monoceros,  Genus PhyllomacromiaFamily Macromiidae, very large sized, with metallic black and yellow coloration with a pronounced clubtail and long vertical spine at the end of the abdomen (s 10).

Key identification features:

Male: Phyllomacromia monoceros Sable Cruiser RSA

  • Face is brownish to olive becoming yellow laterally. Frons is dark brown, slightly metallic with a diffuse, yellow spot on top. Vertex is metallic bluish-black. 107 577 Phyllomacromia monoceros Sable Cruiser RSA r 4
  • Eyes are turquoise, bluish above, more greenish below. 107 577 Phyllomacromia monoceros Sable Cruiser RSA r 4 Phyllomacromia monoceros Sable Cruiser RSA
  • Thorax is dark brown and greenish yellow striped, with slight sheen on dark areas. Antehumeral stripe always complete Phyllomacromia monoceros Sable Cruiser RSA
  • Wings are clear to smoky. Hindwing 34-42 mm. Costa largely black, not contrasting with pterostigmas
  • Abdomen is narrow with a club from s7-9. Largely dark brown to black with a small yellow saddle on s2, and small yellow spots. Black of genital lobe and dorsum s2 usually connected by black bar 107 575 Phyllomacromia monoceros Sable Cruiser RSA r 6, although s5-6 almost completely black. First third of s7 with yellow ring. s8- 10, and superior appendages black 107 576 Phyllomacromia monoceros Sable Cruiser RSA r 2. S9 with a backward-pointing spine, and s10 with a huge, conical, upright spine 107 578 Phyllomacromia monoceros Sable Cruiser RSA r 7 . S10 without tooth at base of peak 

Female:

  • Similar but much stouter and marginally larger.
Compared with other species:
Distribution and habitat:
  • Very rare and localised in the north and north eastern escarpment mountains and adjacent hillsides of Limpopo- and Mpumalanga Provinces.
  • Streams shaded by forest. Often with coarse detritus and a sandy, soft (like muddy) and/or probably gravelly bottom, and probably submerged roots. Inferred to occur from 0 to 2000 m above sea level.
Behaviour:
  • Perches very conspicuously on tips of sedge or reeds in open water. Often seen cruising among treas in open clearings
Further reading:

Phyllomacromia monoceros. Sable Cruiser. Distribution Map
Books
A Guide to Dragonflies and Damselflies of South Africa   p. 146
Dragonflies and Damselflies of South Africap.   p. 143
Dragonfly Biotic Index   p. 136
The Dragonflies and Damselflies of Eastern Africa   p. 136
Websites
Tarboton
A Visual Guide to the Damselflies and Dragonflies of South Africa
The IUCN Red Data List of Threatened Species 
Least Concern
Odonata Atlas of Africa VMU Number 666560
Other Information:
Size Comparison Diagram Dragonflies, Damselflies

Morphology of a Dragonfly, Damselfly
Map of South Africa

 

Credit for description and comparison to Michael J Samways

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