Assegai Sprite, Pseudagrion (B) assegaii,  Assegaaigesie 

100 1617 Pseudagrion assegaii Assegai Sprite Male Hertzogberg MP RSA Nov 2017r 3

100 1616 Pseudagrion assegaii Assegai Sprite Male Hertzogberg MP RSA Nov 2017r 2

100 1613 Pseudagrion assegaii Assegai Sprite Male Vaalwater LP RSA Sept 2017f 3

Family Coenagrionidae Kirby, 1890
Short description:

Assegai Sprite, Pseudagrion (B) assegaii, Assegaaigesie  is small, all bright blue and black with a spear shaped mark abdomen.

Also called Spearhead Sprite, Spear Sprite

More Images:

 

 

 

 

 

 

 Click on all images to enlarge or view more

Key identification features:

Male

  • \Face is light sky blue and black with the labrum light blue with small central black spot. Anteclypeus brownish pale blue, postclypeus black. Frons is blue in front with a black half-moon marking above, which connects with black of top of head. Head black with isolated blue postocular spots from above.
  • Eyes are pale blue, pinkish below. Neck is black above with a blue spot on each side, blue below.
  • Thorax is black above bordered by brownish blue stripes, sharply-defined narrow black stripe present on each side.
  • Wings are clear. Pterostigmas pale brown, almost buff.
  • Abdominal Segment 1 is sky blue with black basal spot. S 2 is blue with distinct spearhead-shape black marking. The rest of abdomen is light blue with black line running along top up to hind margin of s 7. Segments 8 to 10 are bright sky blue.S 10 has black mark on top in the form of an "X"

Female

  • Slightly more robust than male.
  • Very similar patterning, only the blue is replaced by reddish brown or light brown.
  • Pterostigmas also like male, very pale.
Habitat:
  • Preferred habitat is sluggish streams and pools with an abundance of lilies reeds and grasses in dry savanna.
Behaviour:
  • Usually seen sitting on lily pads, but will flit close to the water surface when disturbed. 
  • May be found in the grassy areas next to the waters edge
Compared with other species:
  • Segment 2 is shaped like a spear on P assegaii and like a round bowl flower pot with long stem on Africallagme glaucum, Swamp bluet.
  • Postacular spots on P assegaii is small, round and not linked to each other
  • On A. glaucum the postocular spots at narrow and linked.
  • Marking on S 7 in P. assegaii in open and less of a keyhole than A. glaucum only about 2/3 around the end of the segment
Distribution
Pseudagrion assegaii Assegai Sprite Distribution Map July 2020 Map

Pseudagrion assegaii Assegai Sprite Distribution Map Jan 2021

 

 

 

 

 

 

South Africa

  • Previously known  from the Limpopo Province but was recently found in western Mpumalanga (Witbank and Bronkhorstspruit).
Africa
  • Botswana; Namibia; Republic of South Africa; Uganda; Zambia; Zimbabwe
Further reading:

Websites:

X

Right Click

Copyrighted material - contact us if you want to buy a photo