Two new species of the genus Cheleocloeon Wuillot & Gillies 1993 (Ephemeroptera: Baetidae) from Tanzania and corrections to the generic diagnosis
- 1Department of Entomology; Saint Petersburg State University; Universitetskaya nab.; 7/9; Saint Petersburg; 199034; Russia. n.kluge@spbu.ru.
- 0Department of Entomology; Saint Petersburg State University; Universitetskaya nab.; 7/9; Saint Petersburg; 199034; Russia. n.kluge@spbu.ru.
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Summary
This summary is machine-generated.Two new species of Cheleocloeon mayflies, Cheleocloeon acutipalpum and Cheleocloeon psammonella, are described from Tanzania. This study expands the known distribution of Cheleocloeon clavifolium and modifies genus characteristics.
Area Of Science
- Entomology
- Zoology
- Biodiversity
Background
- The mayfly genus Cheleocloeon Wuillot & Gillies 1993 is known from Africa.
- Cheleocloeon clavifolium Kluge 2016 was previously described only from Zambia.
Purpose Of The Study
- To describe new species of Cheleocloeon from Tanzania.
- To report the presence of Cheleocloeon clavifolium in Tanzania.
- To revise the generic characteristics of Cheleocloeon.
Main Methods
- Morphological examination of larvae, subimagines, and imagines.
- Rearing of specimens to associate different life stages and sexes.
- Comparative analysis with related taxa, including Procloeon sand-dwelling species.
Main Results
- Cheleocloeon clavifolium is reported from Tanzania for the first time.
- A new species, Cheleocloeon acutipalpum sp. nov., is described from multiple Tanzanian mountain ranges.
- A second new species, Cheleocloeon psammonella sp. nov., is described based on unique morphological features and associated larval exuviae.
- Cheleocloeon psammonella exhibits convergent similarities with sand-dwelling Procloeon species.
Conclusions
- The genus Cheleocloeon is more diverse in Tanzania than previously known.
- The discovery of Cheleocloeon psammonella necessitates modifications to the general characteristics of the genus Cheleocloeon.
- The study highlights the importance of continued entomological surveys in under-explored regions.
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