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FIGURE 8 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 8. Microphorella praecox (Loew), male terminalia: (A) hypopygium, left lateral view; (B) cerci (dorsal view); (C) hypopygium, right lateral view. Abbreviations: cerc—cercus; d sur—dorsal lobe of surstylus; epand—epandrium; hypd—hypandrium; hyprct—hypoproct; pgt lb—postgonite lobe; ph—phallus; st—sternite; tg—tergite; v epand proc—ventral epandrial process; v sur—ventral lobe of surstylus.

FIGURE 7 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 7. Microphorella similis sp. nov., female terminalia: (A) left lateral view; (B) dorsal view; (C) ventral view. Abbreviations: cerc—cercus; spmth—spermatheca; st—sternite; tg—tergite.

FIGURE 2 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 2. Heads in anterior view: (A) Microphorella similis sp. nov., male; (B) Microphorella similis sp. nov., female; (C) Microphorella praecox (Loew), male (left eye depressed by shrinkage in its middle and lower parts); (D) Microphorella praecox (Loew), female. Photomicrographs are based on flies submerged in ethanol.

FIGURE 6 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 6. Microphorella similis sp. nov., male terminalia: (A) hypopygium, left lateral view; (B) cerci (dorsal view); (C) left surstylus (dorsal view); (D) right epandrial lamella, right lateral view; (E) hypopygium, right lateral view (right epandrial lamella removed). Abbreviations: cerc—cercus; d sur—dorsal lobe of surstylus; ej apod—ejaculatory apodeme; epand—epandrium; hypd—hypandrium; hyprct—hypoproct; pgt—postgonite; pgt lb—postgonite lobe; ph—phallus; st—sternite; tg—tergite; v epand proc—ventral epandrial process; v sur—ventral lobe of surstylus.

FIGURE 5 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 5. Microphorella similis sp. nov., posterior portion of male abdomen: (A) dorsal view; (B) right lateral view; (C) ventral view. Abbreviations: cerc—cercus; epand—epandrium; hypd—hypandrium; ph—phallus; st—sternite; tg—tergite; v epand proc—ventral epandrial process.

FIGURE 1 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 1. (A) Microphorella similis sp. nov., male habitus photograph; (B) Microphorella similis sp. nov., male head and antennae in anterolateral view; (C) Microphorella praecox (Loew), male head and antennae in anterolateral view. Photomicrographs are based on flies submerged in ethanol. Abbreviation: pped—postpedicel.

FIGURE 4 in Microphorella similis sp. nov. from Switzerland, a close relative of the type species, M. praecox (Loew) (Diptera: Dolichopodidae: Parathalassiinae)

FIGURE 4. Microphorella similis sp. nov., male: (A) left antenna, lateral view; (B) midleg, apex of tibia and tarsus, anterior view.

FIG. 12 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 12 Microphorella mamillata sp. n. ♁ hypopygium viewed from the right (postgonites omitted). Scale bar = 0.5mm. Abbreviations explained in the text.

FIG. 11 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 11 Microphorella mamillata sp. n. ♁ hypopygium viewed from the left (postgonites omitted). Scale bar = 0.5mm. Arrow: mamillary process of hypandrium. Abbreviations explained in the text.

FIG. 10 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 10 Microphorella mamillata sp. n. ♁ hypopygium, dorsal view from the right. Scale bar = 0.5mm. Arrow: mamillary process of hypandrium. Abbreviations explained in the text.

FIG. 6 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 6 Microphorella ebejeri sp. n.º abdomen, lateral view (stretched, membranes and spermatheca omitted). Scale bar = 0.3mm. Abbreviations explained in the text.

FIG. 5 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 5 Microphorella ebejeri sp. n. ♁ hypopygium, viewed from the right. Scale bar = 0.5mm. Abbreviations explained in the text.

FIG. 3 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 3 Microphorella ebejeri sp. n. ♁ abdomen, right lateral view. Scale bar = 0.5mm. Abbreviations explained in the text.

FIG. 4 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 4 Microphorella ebejeri sp. n. ♁ hypopygium and sternite 8, viewed from the left. Scale bar = 0.5mm. Abbreviations explained in the text.

FIG. 7 in Two new species of Microphorella Becker (Diptera: Dolichopodidae) from the Mediterranean

FIG. 7 Microphorella ebejeri sp. n.♀ tip of abdomen, with (internally) parts of genital fork, dorsal view (right ht10 and left hst 10 omitted). Scale bar = 0.3mm. Abbreviations explained in the text.

FIGURES 6–9 in Establishment of the Microphorella breviradia species group, with a key to the Nearctic species groups of Microphorella Becker (Diptera: Dolichopodidae sensu lato: Parathalassiinae)

FIGURES 6–9. Collection localities and habitats of the Microphorella breviradia species group. 6–7. South Fork of American River (Eagle Rock), California, M. breviradia sp. nov. type locality (first author pictured in Fig. 7). 8–9. West Fork of Patrick Creek, California, M. vespera sp. nov. type locality.

FIGURES 31–36 in Establishment of the Microphorella breviradia species group, with a key to the Nearctic species groups of Microphorella Becker (Diptera: Dolichopodidae sensu lato: Parathalassiinae)

FIGURES 31–36. Female abdomens of the Microphorella breviradia, M. chiragra and M. acroptera species groups. 31. M. breviradia sp. nov., left lateral view. 32. M. breviradia sp. nov., dorsal view. 33. Microphorella sp. 1 (M. chiragra species group), left lateral view. 34. Microphorella sp. 1 (M. chiragra species group), dorsal view. 35. Microphorella sp. 8 (M. acroptera species group), left lateral view. 36. Microphorella sp. 8 (M. acroptera species group), dorsal view. Abbreviation: tg—tergite.

FIGURES 25–30 in Establishment of the Microphorella breviradia species group, with a key to the Nearctic species groups of Microphorella Becker (Diptera: Dolichopodidae sensu lato: Parathalassiinae)

FIGURES 25–30. Males of the Microphorella chillcotti, M. acroptera and M. chiragra species groups. 25. Wing of M. chillcotti Brooks & Cumming. 26. Abdomen of M. chillcotti Brooks & Cumming, right lateral view. 27. Wing of M. acroptera Melander. 28. Abdomen of M. acroptera Melander, right lateral view. 29. Left hind leg of M. acroptera Melander, anterior view (arrow indicating spine-bearing tubercle on trochanter). 30. Abdomen of Microphorella sp. 15 (M. chiragra species group), right lateral view. Abbreviations: CuA+CuP—anterior branch of cubital vein + posterior branch of cubital vein; d sur s—dorsal lobe of surstylus seta; epand—epandrium; hypd—hypandrium; hypd proj—hypandrial projection; M2—second medial vein; R1—first radial vein.

FIGURES 1–5 in Establishment of the Microphorella breviradia species group, with a key to the Nearctic species groups of Microphorella Becker (Diptera: Dolichopodidae sensu lato: Parathalassiinae)

FIGURES 1–5. Microphorella breviradia sp. nov. and M. macdonaldi sp. nov. (males). 1. Habitus of M. breviradia sp. nov., left lateral view. 2. Head of M. breviradia sp. nov., anterior view (CNC487231). 3. Wing of M. breviradia sp. nov., anterior view (CNC487241). 4. Abdomen of M. breviradia sp. nov., right lateral view (CNC1155716). 5. Head of M. macdonaldi sp. nov., anterior view (holotype). Abbreviations: bm-m—basal medial crossvein; cua—anterior cubital (=anal) cell; CuA+CuP— anterior branch of cubital vein + posterior branch of cubital vein; dm—discal medial cell; dm-m—discal medial crossvein; epand—epandrium; h—humeral crossvein; M1, M2, M4—medial veins; (R)—right; R1, R2+3, R 4+5 —radial veins; Sc—subcostal vein; v epand proc—ventral epandrial process.

FIGURES 19–21 in Establishment of the Microphorella breviradia species group, with a key to the Nearctic species groups of Microphorella Becker (Diptera: Dolichopodidae sensu lato: Parathalassiinae)

FIGURES 19–21. Hypopygium of Microphorella vespera sp. nov. (CNC DIPTERA # 105212). 19. Hypopygium, left lateral view. 20. Hypopygium, right lateral view. 21. Hypopygium and sternite 8, dorsal view. Abbreviations: cerc—cercus; d sur—dorsal lobe of surstylus; epand—epandrium; hypd—hypandrium; hyprct—hypoproct; (L)—left; pgt lb—postgonite lobe; ph—phallus; (R)—right; v epand proc—ventral epandrial process; v sur—ventral lobe of surstylus.