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Figure 9 Arrenurus surinamensis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 9 Arrenurus surinamensis n. sp., A-D holotype male, E paratype female. A – dorsum; B – venter; C – left palp; D – right palp; E – venter. Scale bars: A-B = 100 µm, C-D = 50 µm.

Figure 6 Arrenurus mansoensis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 6 Arrenurus mansoensis n. sp., holotype male. A – dorsum; B – venter; C – palp. Scale bars: A, B = 100 µm, C = 50 µm.

Figure 5 Arrenurus ludificator Koenike, A-D male, E female. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 5 Arrenurus ludificator Koenike, A-D male, E female. A – dorsum; B – venter; C – lateral view; D – palp; E – venter. Scale bars: A-C, E = 200 µm, D = 50 µm.

Figure 8 Arrenurus stagnalis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 8 Arrenurus stagnalis n. sp., A-D holotype male, E paratype female. A – dorsum; B – venter; C – lateral view (not all details shown); D – palp; E – venter. Scale bars: A-C = 100 µm, D = 50 µm, E = 200 µm.

Figure 11 Arrenurus tenuicollis lacustris n. subsp. A-D holotype male, E paratype female. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 11 Arrenurus tenuicollis lacustris n. subsp. A-D holotype male, E paratype female. A – dorsum; B – venter; C – detail of cauda; D – palp; E – venter. Scale bars: A-B, E = 200 µm, C = 100 µm; D = 50 µm.

Figure 10 Arrenurus tempelmani n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 10 Arrenurus tempelmani n. sp., holotype male. A – dorsum; B – venter; C – lateral view; D – palp. Scale bars: A-C = 200 µm, D = 50 µm.

Figure 3 Arrenurus consanguineus K. Viets, male. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 3 Arrenurus consanguineus K. Viets, male. A – dorsum; B – venter; C – palp. Scale bars: A-B = 100 µm, C = 50 µm.

Figure 7 Arrenurus niger n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies

Figure 7 Arrenurus niger n. sp. A-E holotype male, F paratype female. A – dorsum; B – venter; C – right palp; D – left palp (segments rotated); E – IV-leg-6; F = venter. Scale bars: A-B, F = 100 µm, C-E = 50 µm.

Figs 12–16 in New records of Platynectes (s. str.) diving beetles from South America with description of two new species (Coleoptera: Dytiscidae: Agabinae)

Figs 12–16. Distribution of Platynectes 'Clade II' sensu TƟUඌඌΑιΝτ et al. (2017) in South America. Circles represent previously published localities; stars represent localities newly reported in this paper.

Figs 2–5 in New records of Platynectes (s. str.) diving beetles from South America with description of two new species (Coleoptera: Dytiscidae: Agabinae)

Figs 2–5. Dorsal habitus images of Platynectes spp. 2 – P. bicolor sp. nov.; 3 – P. colombicus sp. nov.; 4 – P. ornatifrons Sharp, 1882, syntype; 5 – P. parananus Sharp, 1882, holotype.

Figs 6–9 in New records of Platynectes (s. str.) diving beetles from South America with description of two new species (Coleoptera: Dytiscidae: Agabinae)

Figs 6–9. Median lobes of the adeagus. 6–7 – P. bicolor sp. nov.: 6 – left lateral view; 7 – right lateral view. 8–9 – P. colombicus sp. nov.: 8 – left lateral view; 9 – right lateral view. Scale bars = 0.5 mm.

Fig. 1 in New records of Platynectes (s. str.) diving beetles from South America with description of two new species (Coleoptera: Dytiscidae: Agabinae)

Fig. 1. Maximum Likelihood phylogeny of sequenced Platynectes (s. str.) specimens based on the gene COI.

Fig. 2 in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 2. Phylogenetic tree of the Bayesian Inference of the Bagre derived from the concatenated database of the Cytb 1 and ATPase 8/6 genes. Only unique haplotype are included here. The first value on each branch corresponds to the ML support value and the second one to the BI. Only support values and posterior probabilities above 60% are shown. Grey = northern Brazilian coast lineage, including the semi-arid sector of the northeast coast; Black = southern Brazilian coast.

Fig. 6 in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 6. Scatterplots of the principal components PC1 and PC2, obtained from the analysis of one meristic and nine morphometric variables in Bagre bagre, with factor loadings for the first principal components. Abbreviations: E, east Brazilian coast; h, humid northeastern coast of Brazil; N, northern Brazilian coast; sa, semi-arid northeastern coast of Brazil; S, southeast Brazilian coast.

Fig. 4 in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 4. Genealogiesofthehaplotypesof (A) themitochondrial Cytb gene, based on the TIM2+I+G evolutionary model, and (B) the mitochondrial ATPase 8/6 gene, based on the HKY+G model. Green = northern Brazilian coast influenced by the Amazon–Orinoco plume, Light blue = semi-arid northeastern coast, Orange = southeastern coast.

Fig. 1 in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 1. Geographic distribution of the two Bagre bagre lineages found in South America [red triangle = northern Brazilian coast, including region dominated by the plume of the Amazon and Orinoco rivers and semi-arid sector of Brazilian northeast coast (light blue = mouth of the Orinoco River; black circle = Macapá, AP; dark blue circle = Bragança, PA; yellow = São Luis, MA; green = Fortaleza, CE), and inverted black triangle = eastern and southern Brazilian coast, including the humid sector of the northeast coast (white circle = Santos, SP)] showing the number of specimens analyzed in each region (not bold = morphological analysis, and bold = molecular analysis). Green = northern Brazilian coast influenced by the Amazon– Orinoco plume, Light blue = semi-arid northeastern coast of Brazil; Dark blue = humid northeastern coast of Brazil, Yellow = east coast, and Orange = southeast coast).

Fig. 3 in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 3. Bayesian strict clock chronogram based on the 1535 bps of the concatenated genes (Cytb and ATPase 8/6). The calibration points and evolutionary rates were based on Betancur-R. & Armbruster (2009).

Fig. 7. A in Early Pleistocene lineages of Bagre bagre (Linnaeus, 1766) (Siluriformes: Ariidae), from the Atlantic coast of South America, with insights into the demography and biogeography of the species

Fig. 7. A. Occurrence of Bagre bagre, Bagre marinus and other species of the genera Amphiarius, Aspistor, Cathorops, Genidens, Notarius, and Sciades, on the Atlantic coast of South America. Numbers of the lots deposited in zoological collections.

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FIGURE 10 in A new genus and six new species of the tropical Camptotypus genusgroup (Hymenoptera: Ichneumonidae; Pimplinae) from northern South America

FIGURE 10. Amazopimpla matogrossoensis Sääksjärvi, Gauld & Jussila, sp. n. The tip of the ovipositor (Holotype female).