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Figs 33–34 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 33–34. Periscelis (P.) winnertzii Egger, 1862, female (Slovakia), body length ca 4.2 mm. 33 – living adult, laterally; 34 – same specimen, dorsally. Photo by J. Roháček.

Figs 15–21 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 15–21. Periscelis (P.) fugax sp. nov., female paratype (Portugal: Valongo). 15 – postabdomen, dorsally; 16 – T8, dorsally; 17 – S8, ventrally; 18 – spermathecae; 19 – ventral receptacle, laterally; 20 – 5th segment and postabdomen, ventrally; 21 – posterior part of postabdomen (from 7th segment), laterally. Scales = 0.2 mm (Figs 15, 20, 21) and 0.1 mm (Figs 16–19). For abbreviations see p. 231.

Figs 3–5. Periscelis species. 3 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 3–5. Periscelis species. 3 – Periscelis (P.) fugax sp. nov., male paratype, body dorsally, length ca 3.0 mm (Czech Republic: S. Moravia); 4 – same specimen, laterally; 5 – Periscelis (P.) winnertzii Egger, 1862, male, head and thorax subdorsally, body length ca 4.1 mm (Hungary). Photo by J. Roháček.

Figs 1–2 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 1–2. Periscelis (P.) fugax sp. nov. 1 – male holotype, body length ca 3.4 mm; 2 – wing, length 3.1 mm, male paratype (Portugal: Valongo). Photo by J. Roháček.

Figs 11–14 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 11–14. Periscelis (P.) fugax sp. nov., male paratype (Portugal: Valongo). 11 – external genitalia caudally (surstyli omitted); 12 – same, cranially (cerci omitted); 13 – pregenital sternum (S6), ventrally; 14 – aedeagal complex, laterally (only basal part of distiphallus depicted). Scale = 0.1 mm. For abbreviations see p. 231.

Figs 28–32 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 28–32. Periscelis (P.) winnertzii Egger, 1862, female (Hungary). 28 – 5th segment and postabdomen, ventrally; 29 – T8, dorsally; 30 – S8, ventrally; 31– ventral receptacle, laterally; 32 – spermathecae. Scales = 0.2 mm (Fig. 28) and 0.1 mm (Figs 29–32). For abbreviations see p. 231.

Figs 22–27 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 22–27. Periscelis (P.) winnertzii Egger, 1862, male (Hungary). 22 – pregenital sternum (S6), ventrally; 23 – ejacapodeme, laterally; 24 – surstylus, laterally; 25 – postgonite, laterally; 26 – gonostylus, sublaterally (widest extension); 27 – cercus, laterally. Scales = 0.1 mm. For abbreviations see p. 231.

Figs 73–77 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 73–77. Periscelis (P.) laszloi sp. nov., living adults, wing and habitat. 73 – female paratype (Slovakia), right laterally, body length ca. 4.2 mm; 74 – female paratype (Hungary), left anterolaterally, body length ca. 3.8 mm; 75 – same specimen, dorsally; 76 – right wing (male paratype, Hungary); 77 – habitat of the species in N. Hungary (Varbó env.: Fonagy sági-tó), deciduous forest with old oaks. Scale = 1 mm. Photo J. Roháček.

Fig. 78 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Fig. 78. Maximum likelihood tree outlining genetic similarities of Periscelis species based on barcode region of COI. Species of the genus Periscelis green framed, those of subgenus Periscelis s. str. (under study) red framed.

Figs 35–43 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 35–43. Periscelis (P.) winnertzii Egger, 1862, larva and puparium (female, Hungary). 35 – cephalopharyngeal skeleton of 3rd instar larva, left laterally; 36 – anterior part of the same, right laterally; 37 – same, ventrally; 38 – anterodorsal part of puparium, dorsally; 39 – anteroventral part of puparium, ventrally; 40 – posterior end of puparium, ventrally; 41 – right anterior spiracular process, sublaterally; 42 – end of posterior spiracular process, subcaudally; 43 – posterior spiracular process, dorsally. Scales = 0.1 mm (Figs 35–37), 0.2 mm (Figs 38–40) and 0.05 mm (others). For abbreviations see text (p. 303).

Figs 13–21 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 13–21. Periscelis (P.) winnertzii Egger, 1862, male. 13 – entire genitalia, laterally; 14 – surstylus, laterally; 15 – postgonite, laterally; 16 – gonostylus, sublaterally (widest extension); 17 – cercus, laterally; 18 – external genitalia caudally (surstyli omitted); 19 – same, cranially (cerci omitted); 20 – pregenital sternum (S6), ventrally; 21 – aedeagal complex, laterally (only basal part of distiphallus depicted). All figures based on male paratype of P. fugax Roháček & Andrade, 2017 (Portugal), adapted from ROHÁĆEK & ANDRADE (2017, figs 6–14). Scales = 0.1 mm. For abbreviations see text (p. 303).

Figs 8–12 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 8–12. Periscelis (P.) winnertzii Egger, 1862. 8 – male head, right anterolaterally; 9 – female head, left anterolaterally; 10 – entire male, left laterally; 11 – female head, left laterally; 12 – female head and thorax, dorsally. Fig. 10 based on holotype of P. fugax Roháček & Andrade, 2017 (Portugal), others on specimens from Hungary. Scale = 1 mm. Photo by J. Roháček.

Figs 23–29 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 23–29. Periscelis (P.) winnertzii Egger, 1862, female. 23 – postabdomen, dorsally; 24 – posterior part of postabdomen (from 7th segment), laterally. 25 – 5th segment and postabdomen, ventrally; 26 – T8, dorsally; 27 – S8, ventrally; 28 – spermathecae; 29 – ventral receptacle, laterally. All figures based on female paratype of P. fugax Roháček & Andrade, 2017 (Portugal), adapted from ROHÁĆEK & ANDRADE (2017, figs 15–21). Scales = 0.2 mm (Figs 23–25) and 0.1 mm (Figs 26–29). For abbreviations see text (p. 303).

Figs 44–48 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 44–48. Periscelis (P.) laszloi sp. nov. 44 – entire male, right laterally; 45 – male head, right anterolaterally; 46 – female head, left anterolaterally; 47 – female head and thorax, dorsally; 48 – female head, left laterally. Fig. 44 based on male holotype, others on specimens from Hungary. Scale = 1 mm. Photo by J. Roháček.

Fig. 22 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Fig. 22. Periscelis (P.) winnertzii Egger, 1862, female (Hungary), left laterally. Scale = 1 mm. Photo by J. Roháček.

Figs 30–34 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 30–34. Periscelis (P.) winnertzii Egger, 1862, puparium (female, Hungary). 30 – puparium dorsally; 31– same, right laterally; 32 – same, with anterodorsal part removed; 33 – same, dorsally, without anterdorsal part; 34 – anterodorsal part of puparium, dorsally. Scales = 0.5 mm (Fig. 34) and 1 mm (others). Photo by J. Roháček.

Figs 1–7 in The true identity of Periscelis winnertzii and description of P. laszloi sp. nov. from Europe (Diptera: Periscelididae)

Figs 1–7. Periscelis (P.) winnertzii Egger, 1862 lectotype, wing and habitat. 1 – lectotype, sex unknown, sublaterally; 2 – same, subdorsally; 3 – lectotype with labels removed; 4 – ditto, with labels pinned under specimen; 5 – right wing, male (Hungary), scale = 1 mm; 6 – habitat of both P. winnertzii and P. laszloi sp. nov., a thermophilous oak (Quercus cerris) forest in S. Slovakia (Cerová vrchovina PLA: Hajnáčka-Buková); 7 – same, with Malaise trap and zoologists in foreground (from left:Attila Balász, Michal Tkoč, Csaba Balász). Photos by G. Wöss (1, 2), P. Sehnal (3, 4), J. Roháček (5, 6) and J. Ševčík (7).

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Figs 6, 7 in Periscelis stuckenbergi sp. n., the first record of the genus from the Afrotropical Region (Diptera: Periscelididae: Periscelidinae)

Figs 6, 7. Genitalia of Periscelis stuckenbergi sp. n.: (6) epandrium and cerci, posterior view; (7) epandrium (and fused surstylus), cerci, ejaculatory apodeme, hypandrium (and fused phallalpodeme) and aedeagus, lateral view.

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Figs 1–5 in Periscelis stuckenbergi sp. n., the first record of the genus from the Afrotropical Region (Diptera: Periscelididae: Periscelidinae)

Figs 1–5. Periscelis stuckenbergi sp. n.: (1–3) head, anterior (1), lateral (2) and anteroblique (3) views; (4) wing, dorsal view; (5) mesonotum, dorsal view.

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Figs 6–10 in Periscelis fugax sp. nov., an overlooked European species of Periscelididae (Diptera), with notes on the morphology and terminology of terminalia

Figs 6–10. Periscelis (P.) fugax sp. nov., male paratype (Portugal: Valongo). 6 – entire genitalia, laterally; 7 – surstylus, laterally; 8 – postgonite, laterally; 9 – gonostylus, sublaterally (widest extension); 10 – cercus, laterally. Scale = 0.1 mm. For abbreviations see p. 231.