Bottletail Olpogastra lugubris Lenige Bottelstert.
Bottletail, Olpogastra lugubris, Lenige Bottelstert is large in size with very elongated abdomen with extremely swollen abdomen (bulbous) base.
Also known as Slender Bottletail
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Key identification features:
- Face dark brown, dull yellow and brownish metallic bluish green. Labrum dark brown. Anteclypeus dull yellow. Postclypeus dull yellow with dark brown arch. Frons lower margin dull yellow, rest of frons dark brown with metallic bluish green, dimpled shine. Vertex brownish metallic bluish green or indistinct dull yellowish spot in front
- Thorax dark brown with metallic green shine with about 10 yellow regular shaped spots on thorax.
- Wings have black veins and a large, central amber suffusion, especially on hind wing. Pterostigmas are brown and long.
- Base of the abdomen is very bulbous (segment 1-2) contracting to a very narrow s 3 -10, widening slightly towards the hind margin. Base of abdomen with large, dull yellow stripes and spots. Small yellow spots at base and sides of s 5-7, longest on s 7. S 8- 10 black.
- Similar to males but with more distinct amber markings in the wing
Compared with other species:
- Unmistakable behaviour and coloration in the described habitat.
Distribution and habitat:
Bottletail, Olpogastra lugubris, Lenige Bottelstert is monotypic and endemic to tropical Africa. In South Africa it occurs in the hot north eastern Lowveld areas of LP and MP m
(recently found north east of Pretoria) and the far northern edge of KZN. Frequents large perennial open rivers even with
strong (including swift flowing) currents. Sometimes in streams and lakes with (dense) sedge or reeds.
From 0 to 1500 m above sea level, but mostly below 1200.
- Perches conspicuously along open rivers. Very aggressive towards other dragonflies.
A Visual Guide to the Damselflies and Dragonflies of South Africa
Odonata Atlas of Africa VMU Number 667760
African Dragonflies & Damselflies Online
The IUCN Red List of Threatened Species. Least Concern