Find research datasets worth reusing

Fig. 20. Right surstylus, dorsal view. A in Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species

Fig. 20. Right surstylus, dorsal view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). C. E. chekabicus Gilasian & van Steenis. sp. nov., holotype (HMIM). D. E. coeruleus (Becker, 1913), Chekab Valley, Iran (HMIM). E. E. ovoformus Gilasian & van Steenis sp. nov., holotype (HMIM). F. E. richteri Stackelberg, 1960, Lar, Iran (HMIM). Scale bars = 0.1 mm.

Fig. 3 in Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species

Fig. 3. Adult habitus, ♂, dorsal view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). C. E. falsus Becker, 1922, Chekab Valley, Iran (HMIM). D. E. chekabicus Gilasian & van Steenis sp. nov., holotype (HMIM). E. E. coeruleus (Becker, 1913), Chekab Valley, Iran (JSA). F. E. jacobsoni Becker, 1913, Chekab Valley, Iran (JSA). G. E. kazanovzkyae Paramonov, 1927, abdomen, Paveh, Iran (HMIM). H. E. longitarsis Peck, 1979, Chekab Valley, Iran (JSA). Scale bars = 1.0 mm.

Fig. 18 in Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species

Fig. 18. Epandrium, cercus and surstylus, lateral view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). C. E. chekabicus Gilasian & van Steenis sp. nov., holotype (HMIM). D. E. coeruleus (Becker, 1913), Chekab Valley, Iran (HMIM). E. E. ovoformus Gilasian & van Steenis sp. nov., holotype (HMIM). F. E. richteri Stackelberg, 1960, Lar, Iran (HMIM). Scale bars = 0.1 mm.

Fig. 9. Metaleg, lateral view. A in Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species

Fig. 9. Metaleg, lateral view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype, ♂ (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype, ♂ (HMIM). C. E. brevipilosus Gilasian & van Steenis sp. nov., paratype, ♀ (HMIM). D. E. chekabicus Gilasian & van Steenis sp. nov., holotype, ♂ (HMIM). E. E. hissaricus Stackelberg, 1949, ♂, Ghoochan, Iran (HMIM). F. E. ovoformus Gilasian & van Steenis sp. nov., holotype, ♂ (HMIM). Scale bars = 0.5 mm.

Fig. 24 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 24. Scanning electron micrographs showing overviews and details of Echinoderes chandrasekharai Sørensen & Chatterjee sp. nov. A–C, H–I, K. ♀ (MVS, personal reference collection). D–G, J, L. ♂ (MVS, personal reference collection). A. Ventrolateral overview. B. Mouth cone, lateroventral view. C. Introvert sector 1 (ventral); inset shows detail of primary spinoscalid fringes, alternatingly attaching along a longitudinal line. D. Segments 1 to 2, dorsal view. E. Segments 1 to 2, ventral view. F. Segments 8 to 9, lateral view. G. Segments 6 to 8, dorsal view. H. Right sternal plate of segment 7, showing female sexual dimorphism. I. Right sternal plate of segment 8, showing female sexual dimorphism. J. Segments 10 to 11 dorsal view, showing male sexual dimorphism. K. Segments 10 to 11 ventral view, showing male sexual dimorphism. L. Segments 10 to 11 ventrolateral view, showing female sexual dimorphism.

Fig. 23 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 23. Light micrographs showing overviews and details of Echinoderes chandrasekharai Sørensen & Chatterjee sp. nov. A–E, G–J. Holotype, ♀ (USNM-55391). F. Paratype, ♀ (USNM-55394). K. Paratype, ♂ (USNM-55397). A. Ventral overview. B. Segments 1 to 4, dorsal view. C. Segments 1 to 4, ventral view. D. Segments 4 to 8, dorsal view. E. Segments 5 to 8, ventral view, showing female sexual dimorphism. F. Segments 8 to 9, dorsal view. G. Detail showing ventrolateral female papilla on segment 7. H. Detail showing ventromedial female papilla on segment 8. I. Detail showing ventral trichoscalids and trichoscalid plates. J. Segments 10 to 11, ventral view, showing female sexual dimorphism. K. Segments 10 to 11, ventral view, showing male sexual dimorphism.

Fig. 22 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 22. Line art illustrations of Echinoderes chandrasekharai Sørensen & Chatterjee sp. nov. A. Female, dorsal view. B. Female, ventral view. C. Segments 10 to 11 in male, dorsal view. D. Segments 10 to 11 in male, ventral view.

Fig. 21 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 21. Scanning electron micrographs showing overviews and details of Echinoderes songae Sørensen & Chang sp. nov. A–B, D, F–I, K. ♀ (MVS, personal reference collection). C, E, J. ♂ (MVS, personal reference collection). A. Lateroventral overview. B. Introvert sectors 5 and 4 (laterodorsal). C. Segments 1 to 3, dorsal view. D. Segments 1 to 2, laterodorsal view. E. Segments 1 to 2, ventral view. F. Segments 4 to 6, laterodorsal view. G. Segments 8 to 9, lateral view; inset show glandular cell outlets type 2. H. Segments 5 to 8, ventral view, showing female sexual dimorphism; insets show outlets of female papillae on segment 7 (upper inset) and segment 8 (lower inset), scale on insets = 1 µm. I. Segments 10 to 11, dorsal view, showing female sexual dimorphism. J. Segments 10 to 11 ventral view, showing male sexual dimorphism. K. Segments 10 to 11 ventral view, showing female sexual dimorphism.

Fig. 20 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 20. Light micrographs showing overviews and details of Echinoderes songae Sørensen & Chang sp. nov. A–B, E–G, I–J. Holotype, ♀ (NHMD-662101). C. Paratype, ♀ (NHMD-662102). D. Paratype, ♀ (NHMD-662103). H. Paratype, ♂ (NHMD-662104). A. Ventral overview. B. Segments 1 to 3, dorsal view. C. Segments 1 to 3, ventral view. D. Segments 7 to 9, dorsal view. E. Segments 4 to 7, ventral view, showing female sexual dimorphism. F. Segments 8 to 9, dorsal view. G. Segments 7 to 8, ventral view, showing female sexual dimorphism. H. Segments 10 to 11, ventral view, showing male sexual dimorphism. I. Segments 10 to 11, dorsal view, showing female sexual dimorphism. J. Segments 10 to 11, ventral view, showing female sexual dimorphism.

Fig. 18 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 18. Light micrographs showing overviews and details of Echinoderes lanceolatus Chang & Song, 2002, holotype, ♀ (EWNHM60268), species now junior synonym of Echinoderes aureus Adrianov et al., 2002. A. Ventral overview. B. Segments 7 to 10, dorsal view. C. Segments 6 to 11, ventral view. D. Segments 1 to 4, ventral view. E. Details showing laterodorsal and midlateral parts of segments 8 and 9, documenting the absence of glandular cell outlet type 2.

Fig. 19 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 19. Line art illustrations of Echinoderes songae Sørensen & Chang sp. nov. A. Female, dorsal view. B. Female, ventral view. C. Segments 10 to 11 in male, dorsal view. D. Segments 10 to 11 in male, ventral view.

Fig. 17 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 17. Light micrographs showing overviews and details of femaleEchinoderes worthingi Zelinka, 1928 (MH, personal reference collection). A. Segment 1, subdorsal view. B. Lateral overview. C. Segments 1 to 2, lateral view; note how the lengths of the pectinate fringe tips change in midlateral position (arrow). D. Segments 1 to 4, ventral view. E. Segments 7 to 8, ventral view, showing female sexual dimorphism. F. Segments 7 to 9, laterodorsal view. G. Segments 9 to 11, subdorsal view, showing female sexual dimorphism. H. Segments 10 to 11, ventral view, showing female sexual dimorphism.

Fig. 16 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 16. Light micrographs showing overviews and details of females Echinoderes worthingi Zelinka, 1928. A–F, I–K. Specimen NHMD-644454. G–H. Specimen SMNH-155944A. A. Ventral overview. B. Segments 1 to 3, dorsal view. C. Segments 1 to 3, ventral view. D. Segments 6 to 8, dorsal view. E. Segments 6 to 8, ventral view, showing female sexual dimorphism. F. Segments 8 to 9, dorsal view. G. Detail showing ventromedial female papilla on left sternal of segment 7. H. Detail showing ventromedial female papilla on left sternal of segment 8. I. Segments 10 to 11, dorsal view, showing female sexual dimorphism. J. Segments 10 to 11, focused on tergal extensions and female sexually dimorphic lateral terminal accessory spines. K. Segments 10 to 11, ventral view, showing female sexual dimorphism.

Fig. 15 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 15. Scanning electron micrographs showing overviews and details of Echinoderes sensibilis Adrianov et al., 2002. A, D, F–J. ♀ (MVS, personal reference collection). B–C, E, K–L. ♂ (MVS, personal reference collection). A. Ventrolateral overview. B. Mouth cone, ventral view. C. Introvert sectors 1 and 10 (ventral). D. Segments 1 to 2, dorsal view. E. Segments 1 to 2, ventrolateral view. F. Segments 8 to 9, lateral view; insets show glandular cell outlets type 2. G. Segments 6 to 8, dorsal view. H. Segments 6 to 7, ventral view, showing female sexual dimorphism. I. Segments 7 to 8, ventral view, showing female sexual dimorphism. J. Segments 10 to 11, dorsal view, showing female sexual dimorphism. K. Segments 10 to 11, lateral view, showing male sexual dimorphism. L. Segments 10 to 11, dorsal view, showing male sexual dimorphism.

Fig. 14 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 14. Light micrographs showing overviews and details of Echinoderes sensibilis Adrianovet al., 2002. A–I. ♀. A. ICHUM-6127. B–F, I. NHMD-662049. G. NHMD-662066. H. NHMD-662060. A. Ventral overview. B. Segments 1 to 4, dorsal view. C. Segments 1 to 4, ventral view. D. Segments 5 to 8, dorsal view. E. Segments 5 to 8, ventral view, showing female sexual dimorphism. F. Segments 8 to 10, dorsal view. G. Segments 8 to 9, dorsal view. H. Detail showing ventral trichoscalids and trichoscalid plates. I. Segments 10 to 11, ventral view, showing female sexual dimorphism. J. ♂ (NHMD-662056). Segments 10 to 11, ventral view, showing male sexual dimorphism.

Fig. 25 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 25. Light micrographs showing overviews and details of Echinoderes sp. from Havelock Island, Andaman Islands. A–C, F–G. ♂ (USNM-55398). D–E. ♀ (USNM-55393). A. Ventral overview. B. Segments 1 to 3, dorsal view. C. Segments 1 to 3, ventral view. D. Segments 6 to 9, dorsal view. E. Segments 6 to 8, ventral view, showing female sexual dimorphism. F. Segments 8 to 10, dorsal view. G. Segments 9 to 11, ventral view, showing male sexual dimorphism.

Fig. 13 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 13. Diagram of mouth cone (grey area), introvert and placids in Echinoderes sensibilis Adrianov et al., 2002, showing distribution of inner oral styles (full circles), outer oral styles (diamonds), primary scalids (triangles), spinoscalids (thick open circles) and trichoscalids (stars), with positions of trichoscalid plates and placids indicated. Table shows the scalid arrangement by sector; single-lined boxes mark quincunxes, double-lined boxes mark 'double diamonds'.

Fig. 10 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 10. Scanning electron micrographs showing overviews and details of Echinoderes pilosus Lang, 1949. A–J, L. ♀ (SMNH-9262, SMNH-9281). K.♂ (SMNH-9262). A. Lateral overview. B. Segments 1 to 2, dorsal view. C. Segments 1 to 2, ventral view. D. Segments 3 to 4, dorsal view. E. Segments 5 to 6, lateral view. F. Segments 6 to 7, ventral view, showing female sexual dimorphism; inset shows ventrolateral female papilla on segment 6, scale on inset = 1 µm. G. Segments 8 to 9, dorsal view. H. Segments 8 to 9, laterodorsal view. I. Segments 7 to 8, ventral view, showing female sexual dimorphism; inset shows ventromedial female papilla on segment 8, scale on inset = 2 µm. J. Segments 10 to 11 dorsal view, showing female sexual dimorphism. K. Segments 10 to 11 ventral view, showing male sexual dimorphism. L. Segments 10 to 11 ventral view, showing female sexual dimorphism.

Fig. 11 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 11. Light micrographs showing overviews of live female of Echinoderes sensibilis Adrianov et al., 2002 from Coconut Island, Oahu, Hawaii (USNM-1616695). Note the brown-red glandular cells. DNA was subsequently extracted from the specimen and it is voucher for CO1 barcode sequence, GenBank Acc. number: MT999943.

Fig. 12 in Description, redescription and revision of sixteen putatively closely related species of Echinoderes (Kinorhyncha: Cyclorhagida), with the proposition of a new species group - the Echinoderes dujardinii group

Fig. 12. Line art illustrations of Echinoderes sensibilis Adrianov et al., 2002. A. Female, dorsal view. B. Female, ventral view. C. Segments 10 to 11 in male, dorsal view. D. Segments 10 to 11 in male, ventral view.