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FIGURES 30–32 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 30–32. Enteric valve of Nasutitermes species: (30) N. acangussu; (31) N. macrocephalus; (32) N. similis. Arrow aligned with axis of valve and oriented from P2 to paunch (P3).

FIGURES 12–14 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 12–14. Sandsitermes robustus gen. et comb. nov., worker mandibles, NHRS 0016: (12) type 2 in dorsal view; minor type 1 (13) in dorsal view and (14) molar region in frontal view. Scale bar 1 mm.

FIGURES 4–5 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 4–5. Sandsitermes robustus gen. et comb. nov., soldier, NHRS 0016: (4) head capsule, profile view; (5) head capsule, dorsal view. Scale bar 0.5 mm.

FIGURES 1–3 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 1–3. Sandsitermes robustus gen. et comb. nov., female, MZUSP 8061: (1) head capsule and pronotum, profile view; (2) head capsule and pronotum, dorsal view; (3) meso- and metanotum, dorsal view. Scale bars 0.5 mm.

FIGURES 33–35 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 33–35. Enteric valve of Nasutitermes species: (33) N. wheeleri; (34) N. hubbardi; (35) N. banksi. Arrow aligned with axis of valve and oriented from P2 to paunch (P3).

FIGURES 21–23 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 21–23. Sandsitermes robustus gen. et comb. nov., type 1 worker, UF PU791.0: (21) enteric valve cushions arranged in two rings, arrow aligned with the axis of the valve and oriented from P2 to paunch (P3); (22) complete gizzard armature, large arrow indicating column and pulvillus I, and small arrows indicating columns and pulvilli II; (23) detail of the columnar belt with surface of folds I and II, ornamented with scales very difficult to see in the proximal area.

FIGURES 15–20 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 15–20. Sandsitermes robustus gen. et comb. nov., type 1 worker, in situ gut, NHRS 0016: (15) dorsal, (16) right, (17) ventral, and (18) left views; (19) right view without mesenteron; (20) mixed segment and Malpighian tubules. C, crop; G, gizzard; M, mesenteron; P1, first proctodeal segment; P2, enteric valve; P3, paunch; P4, colon; P5, rectum. Scale bar 1 mm.

FIGURE 3 in A new species of Mesovelia (Heteroptera: Gerromorpha: Mesoveliidae) from South America, with identification key and notes on Colombian species

FIGURE 3. Parameres. (A) M. amoena Uhler [modified from Spangler (1990)]; (B) M. mulsanti White [modified from Moreira et al. (2008)]; (C) M. zeteki Harris & Drake; (D) M. tuberculata sp. nov..

FIGURE 2 in A new species of Mesovelia (Heteroptera: Gerromorpha: Mesoveliidae) from South America, with identification key and notes on Colombian species

FIGURE 2. Mesovelia zeteki Harris & Drake, holotype, male. (A) dorsal view; (B) ventral view; (C) lateral view.

FIGURE 1 in A new species of Mesovelia (Heteroptera: Gerromorpha: Mesoveliidae) from South America, with identification key and notes on Colombian species

FIGURE 1. Mesovelia tuberculata sp. nov. (A) male, holotype, dorsal view; (B) male, holotype, ventral view; (C) male, holotype, lateral view; (D) female, paratype, dorsal view; (E) female, paratype, ventral view.

FIGURE 6. Serrapinnus kriegi, UFRGS 20135, 20.2 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 6. Serrapinnus kriegi, UFRGS 20135, 20.2 mm SL, rio Ibicuí, tributary of the rio Uruguay; new record for the state of Rio Grande do Sul.

FIGURE 14 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 14. Approximate localities of collection of expeditions made in the second half of the XIX Century and beginning of XX Century in Rio Grande do Sul State: Reinhold F. Hensel (1863-1866, pink); Emperor Dom Pedro II (1865-1866, red); Herman von Ihering (1880-1892, blue); Herbert H. Smith (1882, green); John D. Haseman (1909, yellow); Ernst Garbe (1914, black); Herman Kleerekoper (1941, white).

FIGURE 12 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 12. Cumulative number of fish species known to occur in Rio Grande do Sul State grouped by decade according to the year of description.

FIGURE 9 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 9. Total number of species and new species per hydrographic basin, Rio Grande do Sul State, Brazil.

FIGURE 2 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 2. Sampling localities of fishes in the Rio Grande do Sul State catalogued and georeferenced in the collections of the Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul (MCN), Museu de Ciências e Tecnologia, Pontifícia Universidade Católica do Rio Grande do Sul (MCP), and Departamento de Zoologia, Universidade Federal do Rio Grande do Sul (UFRGS).

FIGURE 13 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 13. Maximum, mean and minimum body size (standard length in mm) of species known to occur in Rio Grande do Sul State, grouped by decade according to the year of description.

FIGURE 5 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 5. Ctenobrycon cf. alleni, UFRGS 20147, 42.3 mm SL, rio Ibicuí, tributary of the rio Uruguay; new record for the state of Rio Grande do Sul.

FIGURE 8 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 8. Number of species by hydrographic basin, Rio Grande do Sul State. RU = rio Uruguay and rio Negro, LP = Laguna dos Patos system, TR = rio Tramandaí and rio Mampituba. Species that occur concomitantly in the rio Uruguay and Laguna dos Patos (RU+LP), Laguna dos Patos and rio Tramandaí (LP+TR) or in all three drainages are counted separately.

FIGURE 11 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 11. Density of fish lots per square kilometer for each Brazilian state catalogued in fish collections available at speciesLink database. Graph represents data for the three richest families in the Neotropics (Characidae, Loricariidae, and Cichlidae).

FIGURE 1 in Inventory of the freshwater fishes from a densely collected area in South America — a case study of the current knowledge of Neotropical fish diversity

FIGURE 1. Rio Grande do Sul State (limited by a light gray background in detail and green in the map of South America), showing the drainages of the rio Uruguay (black), rio Negro (light brown), Laguna dos Patos (blue), arroio Chuí (light green), rio Tramandaí (green), rio Mampituba (red), and rio Araranguá (purple). These drainages are grouped in the following ecoregions according to Abell et al. (2008): upper rio Uruguay ecoregion (1—upper portion of rio Uruguay limited by the Salto do Yucumã water fall at 27 o 08'34"S 53 o 53'10"W, represented by a black vertical bar); lower rio Uruguay ecoregion (2—middle and 3—lower portions of rio Uruguay and the rio Negro); Laguna dos Patos ecoregion (4—rio Jacuí, 5—Laguna dos Patos, 6— lagoa Mirim, and arroio Chuí); and Tramandaí-Mampituba ecoregion (rio Tramandaí, rio Mampituba and rio Araranguá).