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Figs. 24–26 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 24–26. Agrostia ega holotype ♀. (24) Habitus, dorsal view. (25) Tegmina, lateral view. (26) Apex of abdomen, lateral view. Photos were taken by Paul Brock, copyright Natural History Museum, London.

Figs. 10–17 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 10–17. Agrostia flavimaculata sp. nov. ♀. (10) Habitus of Acre specimen, dorsal view. (11) Idem, lateral view. (12) Idem, ventral view. (13) Tegmina of specimen from Acre, dorsal view. (14) Tegmina of specimen from Amazonas, idem. (15) Apex of abdomen, dorsal view. (16) Idem, Lateral view. (17) Idem, ventral view.

Figs. 1–9 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 1–9. Agrostia flavimaculata sp. nov. holotype ♂. (1) Habitus, dorsal view. (2) Idem, lateral view. (3) Idem, ventral view. (4) Head and prothorax, dorsal view. (5) Head, lateral view. (6) Tegmina, dorsal view. (7) Apex of abdomen, dorsal view. (8) Idem, lateral view. (9) Idem, ventral view.

Figs. 21–23 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 21–23. Agrostia bipunctata lectotype ♂ (21) Habitus, dorsal view. (22) Tegmina, lateral view. (23) Apex of abdomen, lateral view. Photos were taken by Paul Brock, copyright Naturhistorisches Museum, Vienna.

Figs. 34–36 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 34–36. Metriophasma (Metriophasma) diocles from Acre. (34) ♂ Habitus, dorsal view. (35) Live dark brown phenotype female in lateral view. (36) Live light yellow phenotype female in dorsal view, displaying camouflage behavior.

Figs. 32–33 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 32–33. Metriophasma (Metriophasma) diocles ♀ from Amazonas. (32) Habitus in dorsolateral view. (33) Defensive stance.

Figs. 18–20 in Studies on Brazilian Pseudophasmatidae (Phasmatodea) with the description of a new species of Agrostia Redtenbacher and new records for Metriophasma Uvarov and Parastratocles Redtenbacher

Figs. 18–20. Agrostia amoena syntype ♂. (18) Habitus, dorsal view. (19) Tegmina, lateral view. (20) Apex of abdomen, lateral view. Photos were taken by Paul Brock, copyright Naturhistorisches Museum, Vienna.

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Figs. 1–7 in First report of two species of scarab beetles (Coleoptera, Scarabaeidae) inside nests of Azteca cf. chartifex Forel (Hymenoptera, Formicidae) in Brazilian Amazonian Rainforest

Figs. 1–7. Azteca cf. chartifex nest and its associated myrmecophile beetles. 1, Nest, sectioned at its third lower part, which was searched for myrmecophiles. 2, Upclose view of upper nest part, with no sight of large galleries. 3, Large gallery on the collected nest piece, in which one beetle was found. 4, Phileurus carinatus declivis, dorsal view. 5, Phileurus carinatus declivis, ventral view. 6, Cyclidius elongatus, dorsal view. 7, Cyclidius elongatus, ventral view.

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Figs.: 1–4. Nectarinella manauara sp. nov. (1) Head, anterior view; (2) posterior view, red arrow points to vestigial occipital carina; (3) mesosoma, dorsal view, (4) lateral view; (5) head of N. championi, posterior view, red arrow points to vestigial occipital carina; (6) head of paratype of N. xavantinensis, anterior view; approximately same scale as (5). in Nectarinella manauara, new species and record of the genus from Brazilian Amazonia (Hymenoptera, Vespidae, Polistinae)

Figs.: 1–4. Nectarinella manauara sp. nov. (1) Head, anterior view; (2) posterior view, red arrow points to vestigial occipital carina; (3) mesosoma, dorsal view, (4) lateral view; (5) head of N. championi, posterior view, red arrow points to vestigial occipital carina; (6) head of paratype of N. xavantinensis, anterior view; approximately same scale as (5).

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Figure 3 in An unexpected new species of Isostenosmylus Krüger, 1913 (Neuroptera: Osmylidae), from the Brazilian Northeast

Figure 3 Holotype of Isostenosmylus derpi sp. n., female. a) Genitalia, lateral view; b) Morphological interpretation of genital sclerites in A. Abbreviations: ect, ectoproct; Gcx9, gonocoxites 9; Gph9, gonapophyses 9; S7, S8, sternites 7 and 8; T7-T9, tergites 7-9. Colors: yellow (S8), green (Gph9), blue (T9), orange (Gcx9).

Fig. 20 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 20. Light micrographs through gill gland of mature male Bryconadenos tanaothoros, SL 36.6 mm (USNM 352061). A, entire gill gland showing chambers (c) containing some stained material; unmodified gills are seen at the extreme left and right; bar, 100 µm. B, Enlargement of same specimen showing one chamber (c) with tall columnar cells in between reduced secondary lamellae (arrows); bar, 20 µm.

Fig. 19. Light micrographs through gill glands.A in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 19. Light micrographs through gill glands.A, male Attonitus bounites, SL 43.0 mm (USNM 349701), longitudinal section through gill gland showing the ventral epithelium (arrows) that results in the formation of gill gland chambers (c); arrowhead indicates an unmodified gill filament; bar, 200 µm. B, same specimen showing tall columnar cells (arrows) in between reduced secondary lamellae; s, secretory material; bar, 50 µm. C, male A. irisae, SL 46.1 mm (USNM 349698), longitudinal section through immature gill gland showing the epithelium (arrows) covering the gland chambers (c); bar, 200 µm.

Fig. 17 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 17. Scanning electron micrograph of spermatozoon in testis of male Bryconadenos tanaothoros (MCP 30333); arrow indicates point of exit of the flagellum from the cytoplasmic collar; bar, 1 µm.

Fig. 18 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 18. Transmission electron micrographs through spermatozoa from mature male Bryconadenos tanaothoros, SL 50.0 mm (USNM 352061). A-D, successively more posterior transverse sections; E-F, longitudinal sections. Symbols: n, nucleus; m, mitochondrion; p, proximal centriole; d, distal centriole; f, flagellum, arrows, accessory microtubules; arrowheads, cytoplasmic canal of collar. Bars: A-C, 0.2 µm; D, 0.1 µm; E-F, 0.5 µm.

Fig. 14 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 14. Knodus sp., MZUSP 38004. Inseminating species. Caudal-fin squamation. Male, SL 34.0 mm, lateral view left side, portraying scales moderately extended out onto caudalfin rays. Note: lateral line incomplete and not present in region shown. Brazil: Minas Gerais, riacho near Fazenda Poderosa, tributary to ribeirão Jaboticatubas, tributary to rio das Velhas, Campo Alegre.

Fig. 16 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 16. Light micrographs through mature ovaries of the three species of Attonitus; arrows, spermatozoa; bar, 10 µm. A, Attonitus ephimeros, SL 33.1 mm (USNM 349696). B, A. irisae, SL 36.6 mm (USNM 349704). C, A. bounites, SL 43.0 mm (USNM 349701).

Fig. 12. Bryconamericus iheringii, USNM 285884 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 12. Bryconamericus iheringii, USNM 285884. Non-inseminating species. Caudal-fin squamation. Male, SL 53.2 mm, lateral view left side, portraying scales confined to caudal-fin base. Brazil: Rio Grande do Sul, Arroio Garupá, tributary to rio Quaraí, tributary of rio Uruguay. Road: Uruguaiana-Quaraí, locality between Uruguaiana and Quaraí.

Fig. 7 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 7. Bryconadenos tanaothoros, new species, USNM 352061, paratype, SL 36.6 mm, adult male. Lateral view of left side of anterior region of anal fin illustrating glandular organ. Brazil: Mato Grosso: tributary to rio Suiazinho, near Ribeirão Cascalheira.

Fig. 1 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 1. Bryconadenos tanaothoros, two live adult male specimens in aquaria. Originally collected in Brazil: Mato Grosso; tributary to rio Suiazinho near Ribeirão Cascalheira. The reflective green shown especially by the lower specimen of the two sexually active males displays only weakly this color of the body sides. The position of the anal-fin gland can be seen as a pale gray-white oval area just posterior to the proximal end of the white pigment along the anterior border of the anal fin, especially in the upper male in the picture. Both males display the lateral-line pores and tubes outlined in black as occurs in live specimens.

Fig. 5 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)

Fig. 5. Bryconadenos tanaothoros, new species, paratype. USNM 352061, SL 34.7 mm, adult male. Lateral view of left side of anterior region of anal fin showing fusion of pterygiophores and respective medial radials of anterior five branched rays. Note that the pterygiophores lack anterior and posterior median blades for the origin of the erectors and depressors anales muscles. Brazil: Mato Grosso; tributary to rio Suiazinho near Ribeirão Cascalheira.