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FIGURES 16–19 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 16–19. Filchneria irani (Aubert, 1964) from northern Iran, Mazandaran Prov., Polur vill., the Haraz River. Holotype. Male. 16. Habitus, dorsal. 17. Head and pronotum, dorsal. 18. Abdominal tip, dorsal. 19. Paraprocts, not everted, caudal. Photos were taken by M. Sartori.

FIGURES 49–50 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 49–50. Filchneria olgae (McLachlan, 1875) from Uzbekistan, Samarkand city, Zeravshan River Basin. 49. Dried specimens (3 males, 6 females) deposited in Zoological Museum of the Moscow State University. The first male with the "type" red label is designated as lectotype. 50. Collecting labels of the lectotype. Photos were taken by V. Savitsky.

FIGURES 10–15. Filchneria balcarica Balinsky, 1950 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 10–15. Filchneria balcarica Balinsky, 1950, egg: 10. Longitudinal and transverse ridges, without anchor plate, lateral. 11. Same, with flat, pan-shaped anchor plate. 12. Posterior pole without/with anchor plate, dorsal. 13. Posterior pole with anchor plate covered with globular bodies, lateral. 14. Chorion structure, row of micropyles with lipped orifices. 15. Chorion surface with raised, rounded tubercles.

FIGURES 65–68 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 65–68. Filchneria olgae (McLachlan, 1875) from W Tian-Shan, Uzbekistan, Chirchiq River, Talas Alataw. 65. Female, habitus, dorsal. 66. Same of male. 67. Male, head and pronotum, dorsal. 68. Same for female.

FIGURES 20–22 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 20–22. Filchneria irani (Aubert, 1964) from northern Iran, Mazandaran Prov., Polur vill., the Haraz River. Paratype. Female. 20. Head, pronotum, mesa- and metanotum, dorsal. 21. Abdominal tip with subgenital plate, ventral. Photos were taken by M. Sartori. 22. Egg with enlarged detail of anchor pole (according to Zwick 1997).

FIGURES 5–9 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 5–9. Filchneria balcarica: Balinsky, 1950 from Caucasus: Georgia, Svanetia, Enguri River; Tekрuri River, Mentrel Ridge; Abkhazia, Avadkhara River. 5. Male abdominal tip, dorsal. 6. Tergum 10 with chaetotaxy, dorsal. 7. Paraprocts, not everted, caudal. 8. Left everted eversible paraproct lobe of male, caudal. 9. Female abdominal tip with subgenital plate, ventral.

FIGURES 1–4. Filchneria balcarica Balinsky, 1950 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 1–4. Filchneria balcarica Balinsky, 1950 from Caucasus: Abkhazia, Avadkhara River; Georgia, Svanetia, Enguri River and Tekрuri River, Mentrel Ridge. 1. Habitus, female, dorsal. 2. Same of male. 3. Head and pronotum of female. 4. Same of male.

FIGURES 35–40. Filchneria mesasiatica Zhiltzova, 1971 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 35–40. Filchneria mesasiatica Zhiltzova, 1971 from Tian Shan, Kyrgyzstan, Alamedin River and Kirgiz-ata River, Alay Ridge. Figs. 35–37. Holotype male: 35. Head and pronotum, dorsal. 36. Abdominal tip, dorsal. 37. Paraprocts, not everted, caudal. 38. Tergum 10 and paraprocts everted, dorsal. 39. Paraprocts everted ventral. 40. Tergum 10 covered sensilla basiconica, right paraproct with paraproctal sclerite, lateral.

FIGURES 43–48. Filchneria mesasiatica Zhiltzova, 1971 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 43–48. Filchneria mesasiatica Zhiltzova, 1971. Allotype egg: 43. Longitudinal ridges, without anchor, lateral. 44. Same, with mushroom-shaped anchor plate. 45. Posterior pole with anchor plate, covered globular bodies at the edge, lateral. 46. Posterior pole with collar, lateral. 47. Posterior pole, dorsal. 48. Chorion surface with raised, rounded tubercles, row of micropyles with lipped orifices.

FIGURES 30–34 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURES 30–34. Perlodinella kuenluensis (Šámal, 1935) comb. nov. from Tibet Plateau, Kunlun Mountains, China. Syntypus. Female: 30. Head and pronotum, dorsal. 31. Abdominal tip, with subgenital plate, ventral. 32. Abdomen with subgenital plate and eggs, ventral. 33. Eggs. 34. Collecting labels of the type specimen. Photos were taken by P. Ciliberti.

FIGURE 84 in Redescription of a few Filchneria Klapálek, 1908 (Plecoptera, Perlodidae) species on the type and fresh material

FIGURE 84. Published illustrations of subgenital plate of Zhiltzovaia amabilis (Jewett, 1958) syn. nov. (after Singh & Ghosh 1969, and Teslenko & Palatov 2020).

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Heatmap of global collection units Any collection object in any museum can be categorized into only one of the 304 cells (19 collection types by 16 geographic regions).A "collection unit" is a single museum's holdings within a single cell. For 73 museums, there are 22,192 possible collection units. The heatmap shows the 1957 collection units with more than 10,000 objects. See supplementary materials for details and for a heatmap of the 242 collection units with more than 1 million objects. in A global approach for natural history museum collections

Heatmap of global collection units Any collection object in any museum can be categorized into only one of the 304 cells (19 collection types by 16 geographic regions).A "collection unit" is a single museum's holdings within a single cell. For 73 museums, there are 22,192 possible collection units. The heatmap shows the 1957 collection units with more than 10,000 objects. See supplementary materials for details and for a heatmap of the 242 collection units with more than 1 million objects.

FIGURE 4 in Type material of Chone perseyi Zenkewitsch, 1925 is not missing (Annelida: Sabellida): redescription of the species and lectotype designation

FIGURE 4. Scanning electron microscopy of Euchone perseyi, paralectotype Pol610. A–B, Posterior abdomen and pygidia, lateral views; C–G, abdominal tori; C, abdominal segment 1; D, abdominal segment 2; E, abdominal segment 5; F, abdominal segment 16; G, abdominal segment 17. Scale bars A–B: 30 μm, C–E: 10 μm, F–G: 3 μm.

FIGURE 3 in Type material of Chone perseyi Zenkewitsch, 1925 is not missing (Annelida: Sabellida): redescription of the species and lectotype designation

FIGURE 3. Scanning electron microscopy of Euchone perseyi, paralectotype Pol610. A, Body, lateral view; B, thorax, dorsal view; C, thoracic chaetigers, 1 and 2 indicates the number of chaetiger; D, thoracic chaetiger 6; E–F, thoracic uncini from chaetiger 2. Scale bars A–B: 300 μm, C: 30 μm, D: 10 μm, E–F: 1 μm. Abbreviations: inf = inferior group, sup = superior group.

FIGURE 2 in Type material of Chone perseyi Zenkewitsch, 1925 is not missing (Annelida: Sabellida): redescription of the species and lectotype designation

FIGURE 2. Bodies of Euchone perseyi stained with methylene blue. A–E, G lectotype PI–4839, F, H paralectotype Pol610. A, Collar and base of crown, dorsal view; B, same, ventral view; C, lateral view; D, thorax, lateral view; E, radiolar crown, lateral view; F, right lobe of radiolar crown (left lobe removed); G–H, posterior abdomen. Scale bars 500 μm. Abbreviations: apr = anterior peristomial ring, gr2 = glandular ridge in chaetiger 2, coll = collar or posterior peristomial ring collar, vsc = ventral shield of collar, 1–8 indicates the number of the thoracic chaetigers.

FIGURE 1 in Type material of Chone perseyi Zenkewitsch, 1925 is not missing (Annelida: Sabellida): redescription of the species and lectotype designation

FIGURE 1. Jars and original labels of Chone perseyi housed at the Zoological Museum of Moscow State University. A, Jars; B–D, original labels. Translation in B from Russian to English: [Пловучий Морск(ой) Научный Институт, Ст. 108a 11/IX 1923, БулуШЬЯ губа Зал(ив) Гавриловский 1 отделение, Глуб(ина) места 2 м лова, Грунт ил серый и чёрный, Орудие лова овалЬнаЯ драга]. English translation: [Floating Marine Science Institute, St. 108a 11/IX 1923 Bulushja bay Gavrilovskiy bay 1 branch, Depth of place 2 m fishing, Bottom gray and black, Sampler oval dredge].

FIGURE 4 in Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller

FIGURE 4. Holotype of Hieracium fridae-bornmuelleriae Gottschl. & Vogt (B barcode B 10 1154305) with handwritten determination particulars of K. H. Zahn.

FIGURE 3 in Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller

FIGURE 3. Lectotype of Hieracium maculatum subsp. leptodermum Zahn [Hieracium diaphanoides subsp. leptodermum (Zahn) Gottschl. & Vogt] (B barcode B 10 0484861) with handwritten determination particulars of K. H. Zahn.

FIGURE 2 in Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller

FIGURE 2. Lectotype of Hieracium diaphanoides subsp. lehbertii Zahn (B barcode B 10 0453951) with a detailed handwritten description of K. H. Zahn.

FIGURE 1 in Type material in the Hieracium (Compositae: Cichorieae) collection of Joseph Bornmüller

FIGURE 1. Lectotype of Hieracium bifidum var. arnstadtense Zahn [Hieracium bifidum subsp. arnstadtense (Zahn) Gottschl. & Vogt] (B barcode B 10 1154382).