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FIGURES 8–12 in Synonymy of Homalopoltys (Araneae: Araneidae) with the genus Dolichognatha (Araneae: Tetragnathidae) and descriptions of two new species

FIGURES 8–12. Dolichognatha incanescens female (RBIN). 8–11, mouthparts. 8, labium, maxillae and chelicerae. 9, right chelicera, anterior view, showing promarginal teeth; large intermediate tooth arrowed. 10, right chelicera, posteroventral, showing retromarginal teeth; large intermediate tooth arrowed. 11, right chelicera, lateral. 12, tarsal claw, left palpus.

FIGURES 55–67. Cloeodes penai. Nymph. 55 in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 55–67. Cloeodes penai. Nymph. 55, antennae. Mouthparts (Figs. 56–61): 56, labrum, left d.v., right v.v.; 57, left mandible v.v.; 58, right mandible v.v.; 59, hypopharynx v.v.; 60, maxilla v.v.; 61, labium, left d.v., right v.v. 62, leg I; 63, femur I apical margin; 64, tarsal claw I. 65, posterior margin of tergum IV. 66, gill IV. 67, paraproct.

FIGURES 31–42. Cloeodes incus n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 31–42. Cloeodes incus n. comb. Nymph. Mouthparts (Figs. 31–36): 31, labrum d.v., left d.v., right v.v.; 32, left mandible v.v.; 33, right mandible v.v.; 34, hypopharynx v.v.; 35, maxilla v.v.; 36, labium, left d.v., right v.v. 37, leg I; 38, tarsal claw I. 39, posterior margin of tergum IV. 40, gill IV. 41, paraproct. 42, terminal filament, left cercus, right caudal filament.

FIGURES 43–51. Cloeodes opacus n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 43–51. Cloeodes opacus n. sp. Nymph. 43, general view, dorsal. Mouthparts (Figs. 44–46): 44, labrum, left d.v., right v.v.; 45, labrum: anterior margin; 46, labium, left d.v., right v.v. 47, leg I; 48, dorsal margin of femur I. 49, posterior margin of tergum IV. 50, gill IV. 51, paraproct. Figs. 52–54. Cloeodes penai. Male imago: 52, fore wing; 53a, hind wing; 53b, hind wing detail; 54, genitalia v.v.

FIGURES 20–30. Cloeodes espinillo n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 20–30. Cloeodes espinillo n. sp. Nymph. 20, general view. Mouthparts (Figs. 21–24): 21, labrum, left d.v., right v.v.; 22, left mandible v.v.; 23, hypopharynx v.v.; 24, labium, left d.v., right v.v. 25, leg I; 26, dorsal margin of femur I. 27, posterior margin of tergum IV; 28, sternum IV. 29, gill IV. 30, cercus.

FIGURES 15–19. Cloeodes espinillo n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 15–19. Cloeodes espinillo n. sp. Male imago: 15, head and thorax, dorsal; 16, fore wing; 17a, hind wing;

FIGURES 5–14. Cloeodes barituensis n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 5–14. Cloeodes barituensis n. sp. Nymph. 5, general view, dorsal. 6, antennae. Mouthparts (Figs. 7–10): 7, labrum, left d.v., right v.v.; 8, right mandible v.v.; 9, hypopharynx v.v.; 10, maxilla v.v. 11, leg I. 12, posterior margin of tergum IV. 13, gill IV. 14, terminal filament, left cercus, right caudal filament.

FIGURES 1–4. Cloeodes barituensis n in The genus Cloeodes (Ephemeroptera: Baetidae) in Argentina with new generic synonymy and new species

FIGURES 1–4. Cloeodes barituensis n. sp. Male imago. 1, head and thorax, d.v.; 2, fore wing; 3, genitalia v.v. Female imago. 4, fore wing.

FIGURE 8. Caligus temnodontis Brian, 1924 male. A in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 8. Caligus temnodontis Brian, 1924 male. A. genital complex and abdomen, ventral view; B. frontal margin of cephalothorax with lunule, antenna, post-antennal process (pap) and maxillule (mxl) in situ, ventral view; C. detail of antennal claw armature; D. maxilliped, with inset showing detail of myxal margin; E. sternal furca; F. second exopodal segment of leg 1 showing distal armature; G. leg 4. Scale-bars: A = 500 μm, B, D, G = 250 μm, C = 50 μm, E, F = 100 μm.

FIGURE 5 in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 5. Caligus haemulonis Krøyer, 1863 female. A. genital complex and abdomen, ventral view; B. antenna, postantennal process (pap) and maxillule (mxl), ventral view in situ; C. damaged subchela of maxilliped, showing denticle on concave margin; D. sternal furca in situ; E. second exopodal segment of leg 1 showing distal armature; F. exopodal segments of leg 4. Scale-bars: A = 500 μm, B, D = 100 μm, C, E, F = 50 μm.

FIGURE 4. Caligus dakari van Beneden, 1892 male. A in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 4. Caligus dakari van Beneden, 1892 male. A. genital complex and abdomen, ventral view; B. antenna, postantennal process (pap) and maxillule (mxl) in situ, ventral view; C. maxilliped; D. sternal furca in situ; E. second exopodal segment of leg 1 showing distal armature; F. leg 4. Scale-bars: A = 500 μm, B, C, D, F = 250 μm, E = 100 μm.

FIGURE 2. Caligus lethrinicola n in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 2. Caligus lethrinicola n. sp. Holotype female. A. leg 2, with endopod detached; B. endopod of leg 2; C. leg 3, ventral view; D. leg 4; E, leg 5, ventral view. Scale-bars: A-D = 100 μm, E = 50 μm.

FIGURE 3. Caligus dakari van Beneden, 1892 female. A in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 3. Caligus dakari van Beneden, 1892 female. A. genital complex and abdomen, ventral view; B. antenna, postantennal process (pap) and maxillule (mxl), ventral view in situ; C. leg 4. Scale-bars: A = 1 mm, B = 200 μm, C = 250 μm.

FIGURE 7. Caligus temnodontis Brian, 1924 female. A in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 7. Caligus temnodontis Brian, 1924 female. A. genital complex and abdomen, ventral view; B. antenna, postantennal process (pap) and maxillule (mxl), ventral view in situ; C. sternal furca in situ; D. leg 4. Scale-bars: A = 500 μm, B = 250 μm, C = 100 μm, D = 200 μm.

FIGURE 1. Caligus lethrinicola n in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 1. Caligus lethrinicola n. sp. Holotype female. A. body, dorsal view; B, cephalothorax margins, ventral view showing lunules and marginal striations; C. Tip of mandible; D. basal part of broken antenna, post-antennal process and maxillule in situ, ventral view; E. maxilla; F. maxilliped; G. sternal furca in situ; H. leg 1. Scale-bars: A = 1 mm, B = 500 μm, C = 50 μm, D-H = 100 μm.

FIGURE 6 in A review of the Caligus productus species group, with the description of a new species, new synonymies and supplementary descriptions

FIGURE 6. Caligus haemulonis Krøyer, 1863 male. A. genital complex and abdomen, ventral view; B. antenna, postantennal process (pap) and maxillule (mxl) in situ, ventral view; C. maxilliped; D. sternal furca; E. distal armature on second exopodal segment of leg 1; F. leg 4. Scale-bars: A = 200 μm, B, C, F = 100 μm, D, E = 50 μm.

FIGURES 35–38 in On the synonymy of two wolf spider species of the genus Alopecosa (Araneae, Lycosidae) from the steppe zone of Russia

FIGURES 35–38. Habitats of Alopecosa cronebergi in Orenburg (35–37) and Astrakhan' (38) regions. 35 grassy-wormwood (Artemisia) steppe; 36 Artemisia–Festuca steppe; 37 saline-land; 38 grass steppe.

FIGURES 9–18 in On the synonymy of two wolf spider species of the genus Alopecosa (Araneae, Lycosidae) from the steppe zone of Russia

FIGURES 9–18. Epigyne and male palp of Alopecosa cronebergi. 9, 11–14 epigyne, ventral (11–14 A. cronebergi syntypes); 10 female internal genitalia, dorsal; 15, 17 male palp ventral (15 holotype of A. atypical); 16, 18 male palp, pro- and retrolateral. view. Scale = 0.1 mm.

FIGURES 19–24 in On the synonymy of two wolf spider species of the genus Alopecosa (Araneae, Lycosidae) from the steppe zone of Russia

FIGURES 19–24. Syntype female (19) of Alopecosa cronebergi and holotype male of A. atypica (20–24). 19–20 habitus, dorsal; 21 male palp, ventral; 22–23 bulb without embolic division, ventral and anterior-prolateral; 24 cymbium and tibia, dorsal. Scale = 1mm (19–20), 0.1 mm (21–24).

FIGURES 31–34 in On the synonymy of two wolf spider species of the genus Alopecosa (Araneae, Lycosidae) from the steppe zone of Russia

FIGURES 31–34. Dissected palp of A. cronebergi (holotype of A. atypica). 31–32 embolic division, posterior and ventral; 33 tegulum, anterior; 34 embolic division, anterior. Scale = 0.1 mm.