About Crenigomphus hartmanni (Förster, 1898)
Identification of Crenigomphus hartmanni is confirmed by diagnostic clasper shape: the epiproct tip is talon-shaped, and the end of the abdomen is club-shaped. The eyes are turquoise on the upper half and light grey on the lower half. The thorax is primarily yellowish green, with contrasting narrow, indistinct brown stripes. The abdomen is yellow and brown, with a brown patch at the joint of each segment. The upper (superior) appendages are yellow, thick, and curved downward, and are only slightly longer than the lower appendages. Segment 9 is half as long as segment 10. Small club-shaped foliations are present on both sides of segments 8 and 9. Segments 8, 9, and especially segment 10 are swollen. These swellings and small foliations create the abdomen’s characteristic club shape. The wings are smoky, with a yellow costa. The black pterostigmata are long and narrow.
Distribution: Crenigomphus hartmanni is found in Angola, the Republic of the Congo, the Democratic Republic of the Congo, Kenya, Malawi, Mozambique, Namibia, South Africa, Tanzania, Uganda, Zambia, and Zimbabwe; it may also occur in Burundi.
Habitat: Its natural habitats are subtropical or tropical moist lowland forests, dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, rivers, intermittent rivers, freshwater lakes, intermittent freshwater lakes, freshwater marshes, and intermittent freshwater marshes.
