Trithemis donaldsoni is a species of dragonfly in the family Libellulidae. Common names include denim dropwing and Donaldson’s dropwing.
Length 38-44mm; Wingspan 67-71mm
Largest of the blue Trithemis.
♂︎ is lighter blue with the last segments of the abdomen darker, and has a mustard not yellow face when compared with highland and navy dropwing.
♀ and imm♂︎ are yellow/olive with a black-lattice like patterning on the abdomen and black wavy lines on the thorax surronding yellow blotching.
1. country | Botswana, Namibia |
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2. ecoregion | Namib Coastal, Okavango Floodplains, Southern Kalahari, Upper Zambezi Floodplains, Zambezi Lowveld |
3. body length | medium |
4. dominant body colour - male | blue |
5. dominant body colour - female | yellow & black |
6. wing markings - extent | none |
7. wing markings - colour | none |
8. pterostigma colour | dark, pale |
9. typical wing position | open |