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Fig. 19 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 19. Distribution map for the barbarossa species-group.

Fig. 16 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 16. Distribution map for the seminulum species-group.

Fig. 28 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 28. Distribution map for the quadricollis species-group.

Fig. 24 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 24. Image of the aedeagus of the tibialis species-group: A. N. mirabilis.

Fig. 22 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 22. Distribution map for the spinipes species-group.

Fig. 25 in Taxonomic review of the tribe Sisyphini sensu stricto Mulsant, 1842 (Coleoptera: Scarabaeidae: Scarabaeinae) in southern Africa, including new species descriptions

Fig. 25. Distribution map for the tibialis species-group.

Fig. 2 in A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa

Fig. 2. Body in profile showing pilosity and pubescence. A. T. dichroum Santschi, 1932 (CASENT0746320). B. T. peringueyi Arnold, 1926 (CASENT0250873). C. T. rothschildi (Forel, 1907) (CASENT0764434). D. T. clunum Forel, 1913 (CASENT0764600). E. T. galoanasum Santschi, 1910 (CASENT0915015 – Antweb, William Ericson). F. T. setuliferum Emery, 1895 (MCZ_ENT00512567). G. T. glabratum Stitz, 1923 (SAM-HYM-C024395). H. T. rufescens Stitz, 1923 (CASENT0250852). I. T. solidum Emery, 1886 (CASENT0250960).

Fig. 16 in A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa

Fig. 16. Tetramorium margueriteae Mbanyana, Robertson & Hita Garcia sp. nov. (SAM-HYM-C019839). A. Body in profile. B. Body in dorsal view. C. Head in full-face view.

Fig. 9. Tetramorium dichroum Santschi, 1932 in A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa

Fig. 9. Tetramorium dichroum Santschi, 1932 (CASENT0746320). A. Body in profile. B. Body in dorsal view. C. Head in full-face view.

Fig. 6. Tetramorium barbigerum Bolton, 1980 in A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa

Fig. 6. Tetramorium barbigerum Bolton, 1980 (CASTYPE13386 – Antweb, photographer unknown). A. Body in profile. B. Body in dorsal view. C. Head in full-face view.

opencc-by-4.0Jul 2020View details →

MIS 5e sea-level proxies in southern Africa (Angola, Namibia and South Africa)

Standardized database of dated sea-level indicators from southern Africa (Angola-South Africa) from MIS5e

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Supporting fisheries management with genomic tools: a case study of kingklip (Genypterus capensis) off southern Africa

Kingklip, Genypterus capensis, is a valuable fish resource in southern African waters, with a wide geographic distribution spanning South Africa and Namibia. Previous studies have provided evidence for multiple stocks in South Africa, but the extent of stock structuring across the Southern African region remains unclear. In this study, we genotyped over 40 000 SNPs to characterise the spatial distribution of genomic variation for G. capensis throughout its core distribution. Results suggest that fish sampled at the northernmost range (off central Namibia) are characterised by lower genomic diversity, although the region exhibited the highest number of private SNPs, suggesting some degree of geographic isolation. Using neutral and putative outlier loci independently, we show that kingklip exhibits three population clusters, "northern Benguela", "southern Benguela" and South African "South Coast". Population differentiation was observed only using "outlier" loci, suggesting that local adaptation might be one of the main drivers of the observed differentiation. Overall, our research provides novel insights into the regional dynamics that can support the sustainable long-term exploitation of this valuable fisheries resource.

opencc-zeroAug 2020View details →

Figure 4 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 4 Festuca caprina var. irrasa. A Whole plant B close-up of basal sheaths showing fibres C abaxial leaf blade surface of tiller D leaf blade apex of tiller E close-up of inflorescence, showing spikelets, lateral view. A, B, E of S.P. Sylvester et al. 3512 (US) C, D of S.P. Sylvester et al. 3542 (US).

Figure 2 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 2 Festuca drakensbergensis, leaf morphological and anatomical characteristics. A Junction of tiller sheath and blade, lateral view B ligule of tiller, ventral view C abaxial tiller blade surface, showing keel D adaxial tiller blade surface E, F tiller blade cross sections, showing position of the sclerenchyma block (scl), vascular bundles (vb) and scabers (sca) on the adaxial surface. A, B, C, E of isotype S.P. Sylvester et al. 3660 (US) D of S.P. Sylvester et al. 3689 (PRE) F of isotype S.P. Sylvester et al. 3660 (US) drawn by M.D.P.V. Sylvester.

Figure 1 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 1 Festuca drakensbergensis, habit and inflorescence characteristics. A, B Whole plant C spikelet, lateral view D [from left to right] palea ventral view showing ovary, lemma dorsal view, upper glume dorsal view, lower glume lateral view E ovary apex, ventral view F caryopsis, dorsal view, with parts of torn palea and lemma at base. A, C, D, F of isotype S.P. Sylvester et al. 3660 (US) B of S.P. Sylvester et al. 3578 (US) E of S.P. Sylvester et al. 3687a (PRE).

Figure 5 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 5 Festuca caprina var. macra. A Whole plant B abaxial leaf blade surface of tiller C spikelet, lateral view. Images of S.P. Sylvester et al. 3480 (US).

Figure 3 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 3 Festuca caprina var. caprina. A Whole plant B abaxial leaf blade surface of tiller C, D spikelet, lateral view. A, B, D of S.P. Sylvester et al. 3492 (US) C of S.P. Sylvester et al. 3492 (PRE).

Figure 6 from: Sylvester SP, Soreng RJ, Sylvester MDPV, Clark VR (2020) Festuca drakensbergensis (Poaceae): A common new species in the F. caprina complex from the Drakensberg Mountain Centre of Floristic Endemism, southern Africa, with key and notes on taxa in the complex including the overlooked F. exaristata. PhytoKeys 162: 45-69. https://doi.org/10.3897/phytokeys.162.55550

Figure 6 Festuca exaristata. A Whole plant B basal part of plant showing lustrous basal sheaths and extravaginally-branched tillers with cataphylls (ca) C close-up of inflorescence. Digitised images of holotype M. McCallum Webster 483b (K000345250), courtesy of JSTOR Global Plants (https://plants.jstor.org).

opencc-zeroOct 2020View details →

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Data from: Using a multi-isotope approach to inform waterfowl movement in southern Africa

Many far-ranging species depend heavily on relatively small or temporary resources within a heterogeneous landscape. For waterfowl, most species rely on deep, permanent waterbodies as refugia from predators during annual flightless molt periods when synchronous loss and regrowth of the flight feathers occurs. The movements of ducks to and from molt sites are, however, poorly documented for most Afrotropical species and the dependencies of Afrotropical ducks on key sites are unclear, yet this information is integral to conservation and management efforts. We asked whether stable isotopes of wing feathers could be used to determine the molting origins of Afrotropical ducks in southern Africa. We analyzed isotope ratios of carbon, nitrogen, oxygen, and hydrogen in feathers from 4 different species across 5 different sites (wetlands, ponds, lakes) in South Africa, Zimbabwe, Mozambique, and Botswana. We observed differences among sites for all isotopes (P < 0.05), especially δ13C and δ15N. Based on these differences, we conducted linear discriminant function analysis (LDA) to assess the utility of these isotopes to assign birds to molt locations. We obtained a global classification accuracy = 0.59, although accuracies differed among sites. Our results demonstrate the potential of a multi-isotope approach to discriminate specific molt locations and to provide an initial estimate of molt site. Rigorous documentation of molt site from wing feathers is plausible, but will require large sample sizes, extensive spatial coverage, and careful calibration.