Horned Rockdweller, Bradinopyga cornuta, Wegkruipertjie

100 2033  Male Thipese LP RSA Dec 2018
100 2635 Female Thipese LP RSA Dec 2018
100 544 Female Thipese LP RSA Dec 2018r 3
Short description:

Horned Rockdweller, Bradinopyga cornuta, Wegkruipertjie is medium sized, all mottled brown and grey dragonfly, with horned shaped protrusion on the head (frons and vertex), long wings and short all mottled grey, brown and greyish yellow abdomen.

Also known as Flecked Wall-skimmer

Family Libellulidae Leach, 1815
More images:

100 2038 Bradinopyga cornuta Horned Rockdweller Male Thipese LP RSA Dec 2018r 7Images

100 2316 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 1Male

100 2625 Bradinopyga cornuta Horned Rockdweller Female Close up Alicedale LP RSA Dec 2018r 2Female

100 2624 Horns AnotatedHorns

 

 

 

 

 

 

Click on all images to enlarge or vie more

Short description:

Medium-sized, all mottled brown and grey dragonfly, with horned shaped protrusion on the head (frons and vertex), long wings and short all mottled grey, brown and grayish yellow abdomen.

Key identification features:

Male

  • Face is greyish with the labrum light yellow with a dark brown lip. Frons very rounded, with two short, sharp horns, grey tipped, dusted with dark brown. Vertex very high, with two, dark brown short horns, with a light yellowish grey base. 100 2323 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 13
  • Eyes are dark brown with spotted grey below. 100 2323 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 13
  • Thorax mottled light brown to pinkish white / brown. Prothorax and behind eyes lighter and often more visible when perching 100 2320 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 4
  • Dorsal carina has well defined "shark fin" shaped protrusion
  • Wings are long, clear with brown veins, and brown extreme tips (when old), and often with brown, basal streak between subcosta and radius. Light amber patch at wing base.100 2326 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 20 Pale appendages  100 2327 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 22
  • Abdomen mottled pinkish/grey white and brown with distinct pinkish/ grey white markings on s 7. The marking on s 7 sometimes the only visible part when perching against a rock. May be whitish grey when young100 2324 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 14   100 2325 Bradinopyga cornuta Horned Rockdweller Male Close up Alicedale LP RSA Dec 2018r 16

Female

  • Very similar to male, 100 2625 Bradinopyga cornuta Horned Rockdweller Female Close up Alicedale LP RSA Dec 2018r 2  but with smaller horns on head. 100 2626 Bradinopyga cornuta Horned Rockdweller Female Close up Alicedale LP RSA Dec 2018r 4
  • Mottles tends to be more pink than the male mottles when young  100 2627 Bradinopyga cornuta Horned Rockdweller Female Close up Alicedale LP RSA Dec 2018r 8
  • More extensive darkened wing tip and hardly any basal streaks. S 7 lighter than with male  100 2633 Bradinopyga cornuta Horned Rockdweller Female Close up Alicedale LP RSA Dec 2018r 21
  • Abdomen stouter

Note

Click here for diagram of the horns of the Horned Rockdweller 100 2624 Horns Anotated

Compared with other species:
  • The mottled colouring and the light patch on s 7 is unmistakable.
  • The horn like protrusions on the frons and vertex is very clear to see.
  • Bradinopyga strachani differs by having a rounded frons without horns, Wings clear rather than narrowly tipped brown. Abdomen ed with maturity, rather than mottled brown.
Distribution and habitat:

Bradinopyga cornuta Horned Rockdweller Distribution Map June 2020Found in the warm northern and eastern areas of South Africa and Africa south of the equator excluding (not confirmed)
the western countries like Angola
Rocky outcrops and domes with rain pools (sometimes stagnant) or in pools at or near fast, lowveld rivers in which it breeds.
Will easily settle on man-made structures like brick walls and other cement structures like the walls of dams resembling rocky outcrops.

Behaviour:
  • Settles on bare rocky outcrops and domes where it is well camouflaged.
  • Often only seen when hunting from the rocky perch.
  • Will be found in cooler pert of rocks during the heat of the day.
  • On males and females s 7 may be the early clue of their presence. Extremely alert, and flies off rapidly when disturbed and usually returning later.
  • Females usually with or near males.
  • Females will perch on the pocks close to the water’s edge to oviposit 
Further reading:

Websites:
Odonata Atlas of Africa Number 667060
A Visual Guide to the Damselflies and Dragonflies of South Africa
The IUCN Red List of Threatened Species  Least Concern
African Dragonflies & Damselflies Online

 
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