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FIGURES 1–8. 1 in The Muscini flies of the world (Diptera, Muscidae): identification key and generic diagnoses

FIGURES 1–8. 1. Head, Polietina orbitalis (Stein), female, lateral view. 2. Same, upper frontal view. 3. Head, Polietina major (Albuquerque), male, lateral view. 4. Head, Morellia (Xenomorellia) undescribed sp., female, frontal view. 5. Antenna, Pyrellia albocuprea Villeneuve, inner lateral view. 6. Prosternum, Biopyrellia bipuncta (Wiedemann), anteroventral view. 7. Prosternum, Morellia nigricosta Hough, anteroventral view. 8. Prosternum, Mitroplatia smaragdina (Séguy), anteroventral view. Figures 1–2 and 5 after Nihei and de Carvalho (2007a); Figure 3 after Nihei (2002). Figures 6–8 on same scale.

FIGURES 48–49 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 48–49. Ceratophya notata Wiedemann, habitus, dorsal. From Wiedemann (1824, plate, fig. 9; 1830: pl. 9, fig. 5).

FIGURES 42–47. Microdon adults and parts. 42–45, Paramixogaster wegneri Keiser. 42 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 42–47. Microdon adults and parts. 42–45, Paramixogaster wegneri Keiser. 42, metaleg, lateral. 43, head, dorsal. 44, wing, dorsal. 45, abdomen, dorsal. 46–47, Masarygus sp. Figures42–45 from Keiser (1964: 85, figs 1–4); 46– 47 new original.

FIGURES 21–31. Microdon adults and parts. 21, 22, Ptilobactrum neavei Bezzi. 21 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 21–31. Microdon adults and parts. 21, 22, Ptilobactrum neavei Bezzi. 21, antenna, lateral, female. 22, basoflagellomere, lateral, male. 23, Microdon (Chymophila) fulgens Wiedemann, scutellum, dorsal. 24–25, Rhoga sepulchrasilva (Hull). 24, habitus, dorsal. 25, metaleg, lateral. 26, Oligeriops chalybeus (Ferguson), head, lateral. 27, Cervicorniphora alcicornis (Ferguson), antenna, lateral. 28–31, Rhopalosyrphus guntherii (Lynch Arribalzaga). 28, habitus, dorsal. 29, abdomen, lateral. 30, head, lateral. 31, metaleg, lateral. From Hull (1949: 315, fig. 14).

FIGURES 32–35. Microdon adults and parts. 32, 34. Spheginobaccha chillcotti Thompson. 32 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 32–35. Microdon adults and parts. 32, 34. Spheginobaccha chillcotti Thompson. 32, habitus, dorsal, male. 34, head, dorsal, male. 33, Aristosyrphus primus Curran, wing, dorsal. 35, Spheginobaccha vandoesburgi Thompson, head, dorsal, male. Figure 32 from Hull (1949: 337, fig. 17A); 33 from Thompson (1969: 82, fig. 11); 34–35 from Thompson (1974: 260, figs 7–8).

FIGURES 36–41. Microdon adults and parts. 36 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 36–41. Microdon adults and parts. 36, Paragodon paragoides Thompson, head, lateral. 37, Paramicrodon delicatula Hull, head, lateral. 38, Ubristes (Hypselosyrphus) triangularis (Curran), head, lateral. 39, Rhoga sp., head, lateral. 40–41, Metasternum and bases of meso- and metalegs, ventral. 40, Mixogaster cubensis Curran 41. Rhopalosyrphus guntherii Lynch Arribalzaga. Figures from Thompson (1969: 76, figs 16).

FIGURES 11–20. Microdon adults and parts. 10–12 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 11–20. Microdon adults and parts. 10–12, Carreramyia megacephalus (Shannon). 10, habitus, dorsal. 11, metaleg, lateral. 12, head, lateral. 13, 15, 19, 20. Ubristes (Hypselosyrphus) scutellaris (Shannon). 13, head, lateral. 15. scutellum, dorsal. 19, head, frontal. 20, metaleg, lateral. 14, 16. Ubristes (Ubristes) flavitibia Walker. 14, metaleg, lateral. 16, abdomen, dorsal. 17, Ubristes (Stipomorpha) fraudator (Shannon). 17, abdomen, dorsal. 18, Ceriomicrodon petiolatus Hull, habitus, dorsal. From Hull (1949: 313, fig. 13).

FIGURES 3–9. Furcantenna yangi Cheng. 3 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 3–9. Furcantenna yangi Cheng. 3, male, head, frontal view. 4, male, scutellum, dorsal view. 5, male, habitus, posterior view. 6–9, male genitalia, lateral view.

FIGURES 1–2 in A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China

FIGURES 1–2. Afromicrodon johannae (van Doesburg). 1, male, habitus, lateral view. 2, male, thorax, dorsal view.

FIGURES 55–67. Cloeodes penai. Nymph. 55 in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 55–67. Cloeodes penai. Nymph. 55, antennae. Mouthparts (Figs. 56–61): 56, labrum, left d.v., right v.v.; 57, left mandible v.v.; 58, right mandible v.v.; 59, hypopharynx v.v.; 60, maxilla v.v.; 61, labium, left d.v., right v.v. 62, leg I; 63, femur I apical margin; 64, tarsal claw I. 65, posterior margin of tergum IV. 66, gill IV. 67, paraproct.

FIGURES 31–42. Cloeodes incus n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 31–42. Cloeodes incus n. comb. Nymph. Mouthparts (Figs. 31–36): 31, labrum d.v., left d.v., right v.v.; 32, left mandible v.v.; 33, right mandible v.v.; 34, hypopharynx v.v.; 35, maxilla v.v.; 36, labium, left d.v., right v.v. 37, leg I; 38, tarsal claw I. 39, posterior margin of tergum IV. 40, gill IV. 41, paraproct. 42, terminal filament, left cercus, right caudal filament.

FIGURES 43–51. Cloeodes opacus n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 43–51. Cloeodes opacus n. sp. Nymph. 43, general view, dorsal. Mouthparts (Figs. 44–46): 44, labrum, left d.v., right v.v.; 45, labrum: anterior margin; 46, labium, left d.v., right v.v. 47, leg I; 48, dorsal margin of femur I. 49, posterior margin of tergum IV. 50, gill IV. 51, paraproct. Figs. 52–54. Cloeodes penai. Male imago: 52, fore wing; 53a, hind wing; 53b, hind wing detail; 54, genitalia v.v.

FIGURES 20–30. Cloeodes espinillo n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 20–30. Cloeodes espinillo n. sp. Nymph. 20, general view. Mouthparts (Figs. 21–24): 21, labrum, left d.v., right v.v.; 22, left mandible v.v.; 23, hypopharynx v.v.; 24, labium, left d.v., right v.v. 25, leg I; 26, dorsal margin of femur I. 27, posterior margin of tergum IV; 28, sternum IV. 29, gill IV. 30, cercus.

FIGURES 15–19. Cloeodes espinillo n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 15–19. Cloeodes espinillo n. sp. Male imago: 15, head and thorax, dorsal; 16, fore wing; 17a, hind wing;

FIGURES 5–14. Cloeodes barituensis n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 5–14. Cloeodes barituensis n. sp. Nymph. 5, general view, dorsal. 6, antennae. Mouthparts (Figs. 7–10): 7, labrum, left d.v., right v.v.; 8, right mandible v.v.; 9, hypopharynx v.v.; 10, maxilla v.v. 11, leg I. 12, posterior margin of tergum IV. 13, gill IV. 14, terminal filament, left cercus, right caudal filament.

FIGURES 1–4. Cloeodes barituensis n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 1–4. Cloeodes barituensis n. sp. Male imago. 1, head and thorax, d.v.; 2, fore wing; 3, genitalia v.v. Female imago. 4, fore wing.

FIGURE 15 in Generic classification for the Gasteruptiinae (Hymenoptera: Gasteruptiidae) based on a cladistic analysis, with the description of two new Neotropical genera and the revalidation of Plutofoenus Kieffer

FIGURE 15. Geographic distribution of the species of Plutofoenus, Spinolafoenus and Trilobitofoenus.

FIGURE 9 in Generic classification for the Gasteruptiinae (Hymenoptera: Gasteruptiidae) based on a cladistic analysis, with the description of two new Neotropical genera and the revalidation of Plutofoenus Kieffer

FIGURE 9. First metasomal segment in ventral view. a: Gasteruption bispinosum; b: Plutofoenus edwardsi. S2: first metasomal sternum; T2: first metasomal tergum. Without scale. Numbers indicate characters and respective synapomorphic states (within brackets).

FIGURE 14 in Generic classification for the Gasteruptiinae (Hymenoptera: Gasteruptiidae) based on a cladistic analysis, with the description of two new Neotropical genera and the revalidation of Plutofoenus Kieffer

FIGURE 14. Propodeum and metacoxa in dorsal view. a: Gasteruption bispinosum; b–c: Plutofoenus edwardsi; d: Gasteruption sp. I; e: Spinolafoenus ruficornis; f: Trilobitofoenus plaumanni. Scale bar: 1.0 mm. Numbers indicate characters and respective synapomorphic states (within brackets).

FIGURE 10 in Generic classification for the Gasteruptiinae (Hymenoptera: Gasteruptiidae) based on a cladistic analysis, with the description of two new Neotropical genera and the revalidation of Plutofoenus Kieffer

FIGURE 10. Subgenital sternum in ventral view. a: notched, Y-shaped; b: notched, V-shaped; c: simple. Without scale. Numbers indicate characters and respective synapomorphic states (within brackets).