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FIG. 88 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 88. — Hind leg outer side: A, Pamphagus tunetanus Vosseler, 1902 (female); B, Paracinipe foreli (Pictet & Saussure, 1893) (female); C, Finotia spinicollis Bonnet, 1884 (male); D, Ocneridia nigropunctata (Lucas, 1849) (female); E, Pyrgomorpha conica (Olivier, 1791) (female); F, Calliptamus barbarus barbarus (Costa, 1836) (female); G, Eyprepocnemis plorans plorans (Charpentier, 1825) (female); H, Heteracris harterti (Bolívar, 1913) (female); I, Oedipoda miniata mauritanica Lucas, 1849 (female); J, Sphingonotus (Parasphingonotus) radioserratus Johnsen, 1985 (male); K, Truxalis nasuta (Linnaeus, 1758) (female). Scale bars: 1 cm. Photos: H. Tlili.

FIG. 83 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 83. — Shape of prosternal process: A, prosternum process of Euryparyphes sitifensis (Brisout de Barneville, 1854) (female) with two pointed tubercles;

FIG. 93 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 93. — Male subgenital plate, lateral view: A, Acinipe algeriensis Descamps & Mounassif, 1972; B, Paracinipe foreli (Pictet & Saussure, 1893). Scale bars: 5 mm. Photos: H. Tlili.

FIG. 84 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 84. — Tegminal cubital vein: A, Hilethera aeolopoides (Uvarov, 1922) (male); B, Sphingonotus (Neosphingonotus) finotianus (Saussure, 1885) (female). Scale bars: 1 cm. Photos: H. Tlili.

FIG. 64 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 64. — Habitus of Euryparyphes sitifensis (Brisout de Barneville, 1854): A, B, female from Oran, Algeria, dorsal view (A), lateral view (B); C, D, male from Oran, Algeria, dorsal view (C), lateral view (D). Scale bars: 1 cm. Photos: H. Tlili.

FIG. 62 in Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification

FIG. 62. — Habitus of Acinipe algeriensis Descamps & Mounassif, 1972: A, B, female allotype from Laghouat, Algeria, dorsal view (A), lateral view (B); C, D, male holotype from Laghouat, Algeria, dorsal view (C), lateral view (D). Scale bars: 1 cm. Photos: S. Poulin.

Fig. 20 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 20. Relative abundance of lecithotrophic y-nauplii at Sesoko Island (Okinawa, Japan) during field work in 2018 and 2019. Grey bars denote the number of lecithotrophic nauplii of each morphospecies that survived until the last naupliar stage during laboratory rearing. Blue bars show the numbers of cyprids that successfully molted from these last-stage nauplii. Images of all lecithotrophic y-naupliar morphospecies obtained during those two years are shown to the same scale.

Fig. 19 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 19. Last-stage nauplii of four different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–E. Y-nauplius Type AK. F–G. Y-nauplius Type AO. H. Y-nauplius Type AM. I–K. Y-nauplius Type AN. Shown either in life (A–B, H) or as slide-mounted exuviae (C–G, I–K). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 16 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 16. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–E. Y-nauplius Type Y. F–J. Y-nauplius Type O*. Shown either in life (A, F–G) or as slide-mounted exuviae (B–E, H–J). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 18 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 18. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–F. Y-nauplius Type AL. G–J. Y-nauplius Type AJ. Shown either in life (A–C, G–J) or as slide-mounted exuviae (D–F). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 17 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 17. Last-stage nauplii of three different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–E. Y-nauplius Type AF. F–K. Y-nauplius Type N*. L. Y-nauplius Type AP. Shown either in life (A–C, F–G) or as slide-mounted exuviae (D–E, H–L). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible. L from Grygier et al. (2019).

Fig. 15 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 15. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–F. Y-nauplius Type L. G–M. Y-nauplius Type AB. Shown either in life (A–C, G–J) or as slide-mounted exuviae (D–F, K–M). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 13 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 13. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–E. Y-nauplius Type X. F–J. Y-nauplius Type K. Shown either in life (A–B, F–H) or as slide-mounted exuviae (C–E, I–J). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 14 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 14. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–F. Y-nauplius Type M. G–L. Y-nauplius Type AI. Shown either in life (A–B, G–I) or as slide-mounted exuviae (C–F, J–L). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 9 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 9. Last-stage nauplii of four different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–C. Hansenocaris cristalabri Olesen & Grygier, 2022. D–E. Hansenocaris aquila Olesen & Grygier, 2022. F–H. Y-nauplius Type AC. I–N. Y-nauplius Type AH*. Shown either in life (A–B, F–H, I–J), as slide-mounted exuviae (D–E, K–N) or in SEM (C). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible. A–E from Olesen & Grygier (2022).

Fig. 4 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 4. Planktotrophic (feeding) y-nauplius of morphospecies Type A*. A. Ventral view. B. Lateral view. C. Naupliar feeding apparatus of right side. D. Postero-lateral spines of left side, dorso-caudal organ, dorso-caudal spine and furcal spines. The naupliar feeding apparatus, postero-lateral spines, dorsocaudal organ and dorso-ventrally flattened body (especially the first of these) are the key characters for separating planktotrophic y-nauplii from lecithotrophic y-nauplii. Abbreviations: Bas = basis; Cox = coxa; En = endopod; 1–3 = postero-lateral spine rows on trunk.

Fig. 11 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 11. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–G. Y-nauplius Type W. H–M. Y-nauplius Type AD. Shown either in life (A–C, H–J) or as slide-mounted exuviae (D–G, K–M). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 8 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 8. Last-stage nauplii of three different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–D. Type F. E–G. Type G. H–J. Type H. Shown either in life (A–B, E–F, H–I) or as slide-mounted exuviae (C–D, G, J). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 10 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 10. Last-stage nauplii of two different morphospecies of y-larvae (Facetotecta) from Sesoko Island (Okinawa, Japan). A–F. Y-nauplius Type E*. G–K. Y-nauplius Type AG*. Shown either in life (A–B, G–H) or as slide-mounted exuviae (C–F, I–K). Abbreviations: A1 = first antenna; A2 = second antenna; Md = mandible.

Fig. 3 in Taxonomic diversity of marine planktonic 'y-larvae' (Crustacea: Facetotecta) from a coral reef hotspot locality (Japan, Okinawa), with a key to y-nauplii

Fig. 3. Example of canvasses used to sort images of more than 500 last-stage y-nauplii obtained during field work at Sesoko Island (Okinawa, Japan) in 2018 and 2019 into morphospecies. This canvas shows different developmental stages of 52 specimens of a particularly distinctive morphospecies, Type C (nicknamed 'Bumblebee' due to its distinct color pattern), with color codes indicating each specimen's manner of preservation and storage.