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FIGURE 7 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 7. Adult male of Alona affinis from pool at Kronotsky Nature Reserve, Kamchatka Area, Russia. A, lateral view. B, postabdomen. C, distal portion of postabdomen. D–E, trunk limb I.

FIGURE 5 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 5. Trunk limbs of Alona sibirica sp. nov. from lake near road between Amga river and Churapcha, Sakha-Yakutia Republic, Russia (type locality) (A–Q) and a sphagnum bog near Bolshaya River, Tomsk Area, Russia (O). A–B, trunk limb I of parthenogenetic female. C, IDL of trunk limb I. D, inner-distal portion of trunk limb I. E, trunk limb II. F, exopodite of trunk limb III. G, inner portion of trunk limb III. H, exopodite of trunk limb IV. I, inner portion of trunk limb IV. J, exopodite of trunk limb V. K, inner portion of trunk limb V. L, trunk limb IV. M–N, distal portion of trunk limb I of adult male. O, distal portion of trunk limb I of juvenile male II.

FIGURE 3 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 3. Alona sibirica sp. nov. from lake near road between Amga river and Churapcha, Sakha (Yakutia) Republic, Russia (type locality). A–C, adult parthenogenetic female, posteroventral corner of valves, distal portion of postabdomen and postabdominal claws. D–F, adult male, lateral view, dorso–lateral view and postabdomen. Scale bars: 0.1 mm for D–E, 0.05 mm for F, 0.01 mm for A–C.

FIGURE 8 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 8. BI multi-locus tree based on the COI + 16S + 18S sequences, with a summary of results of the cybertaxonomic species delimitation by different methods. Analyses referring are based on multi-locus datasets. Results are displayed relative to a STACEY species or minimal cluster tree. Node supports are UFboot2 (ML), maximum parsimony (MP) and posterior probabilities (BI), in percent.

FIGURE 2 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 2. Alona sibirica sp. nov. from lake near road between Amga river and Churapcha, Sakha (Yakutia) Republic, Russia (type locality). A–C, adult parthenogenetic female in lateral view, its dorso-lateral view and head pores. D–H, ephippial female in lateral view and dorso-lateral view. F, ephippium. G, antenna H, head pores. Scale bars: 0.1 mm for A–B, D–H, 0.05 mm for F–G, 0.01 mm for C, H.

FIGURE 1 in A new North Eurasian species of the Alona affinis complex (Cladocera: Chydoridae)

FIGURE 1. Alona sibirica sp. nov. from lake near road between Amga river and Churapcha, Sakha (Yakutia) Republic, Russia (type locality) (A–Q) and a pool in sphagnum bog near Bolshaya River, Tomsk Area, Russia (R–S). A–B, adult parthenogenetic female, lateral view. C, ventral margin of valves. D–G, posteroventral angle of valves. H–I, head shield. J, head pores. K–L, labrum. M, antenna. N, antenna II. O, ephippial female. P–Q, adult male in lateral view and its antennule. I, juvenile male of instar II, lateral view and antenna.

FIGURE 6 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 6. Alona affinis (Leydig, 1860) from Republic of South Africa, Eastern Cape, Wildebeestrivier Dam, McClear, 31°3'3" S, 28°18'53" E, parthenogenetic female: A–B – limb I in inner and outer view, C – exopodite of limb III, D – exopodite of limb IV, E – limb V, H – limb VI. Scale bar: 0.1 mm.

FIGURE 7 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 7. Distribution of Alona martensi sp. n. and Alona affinis (Leydig, 1860) in South Africa. Dotted line indicates area with Effective Temperature index below 14 ºC (adapted from Hamer & Brendonk 1997).

FIGURE 4 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 4. Alona martensi sp. n. from Republic of South Africa, Kwa-Zulu Natal Province, Giant Castle, The Lakes, 29°14'31" S, 29°33'2" Е, parthenogenetic female: A – endites of limb I, B – gnathobase of limb II, C–D – inner portion of limb III, E – inner portion of limb IV. Scale bar: 0.05 mm.

FIGURE 3 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 3. Alona martensi sp. n. from Republic of South Africa, Kwa-Zulu Natal Province, Giant Castle, The Lakes, 29°14'31" S, 29°33'2" Е, parthenogenetic female: A–B –limb I in inner and outer view, C – maxillar process of limb I, D –limb II, E – exopodite of limb III, F – exopodite of limb IV, G –limb V, H – limb VI. Scale bar: 0.1 mm.

FIGURE 5 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 5. Alona affinis (Leydig, 1860) from Republic of South Africa, Eastern Cape, Wildebeestrivier Dam, McClear, 31°3'3" S, 28°18'53" E, parthenogenetic female: A – lateral view, B–C – posterior margin and posteroventral angle of valves, D–E – head pores, F–G – labrum, H – postabdomen, I – antennula, J – antenna. Scale bars: 0.2 mm for A, 0.1 for B–J.

FIGURE 2 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 2. Alona martensi sp. n. from Republic of South Africa, Kwa-Zulu Natal Province, Giant Castle, The Lakes, 29°14'31" S, 29°33'2" Е, parthenogenetic female: A–B – posterior margin and posteroventral angle of valves, C–D – labrum, E–F – postabdomen, G – postabdominal claw, H – antenna. Scale bars: 0.1 mm.

FIGURE 1 in Cladocerans of the Alona affinis (Leydig, 1860) group from South Africa

FIGURE 1. Alona martensi sp. n. from Republic of South Africa, Kwa-Zulu Natal Province, Giant Castle, The Lakes, 29°14'31" S, 29°33'2" Е: A–C – juvenile female of instar I: A – lateral view, B – head shield, C – head pores; D–E – juvenile female of instar II: D – lateral view, E – head shield; F–K – parthenogenetic female: F – lateral view, G – head shield, H–I – head pores, J – antennule, K – maxillule. Scale bars: 0.2 mm for A–D, D–G, 0.05 mm for C, H–K.

FIGURE 4. Alona lepida Birge, 1982 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 4. Alona lepida Birge, 1982 from White lake, Blanden County, North Carolina, USA, A, juvenile female of instar I. B–D, juvenile female of instar II. B, lateral view. C, head shield. D, head pores. E–K, adult parthenogenetic female. E, lateral viev. F, posteroventral corner of valves. G–H, head shields. I–J, head pores. K, abnormal head pores. Scale bar: 0.2 mm for A– C, E, G–H, 0.1 mm for D, I–K, 0.05 mm for F.

FIGURE 5. Alona lepida Birge, 1982 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 5. Alona lepida Birge, 1982 from White lake, Blanden County, North Carolina, USA, adult parthenogenetic females. A–B, lateral view. C–D, dorsal and antero-dorsal view. E, sculpture of dorsal portion of valves. F–G, head pores. H, antenna.

FIGURE 1 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 1. Alona ossiani herricki ssp. nov. from Sebago Lake, Cumberland county, Maine, USA. A–B, juvenile females of instar I and II. C–J, adult parthenogenetic female. C, lateral viev. D, ventral margin of valves. E–F, posteroventral corner of valves. G–H, head shields. I, head pores. J, labrum. K, ephippial female. L, adult male. Scale bar: 0.2 mm for A–C, E–F, K–K, 0.1 mm for D and I–J, 0.05 mm for E–F.

FIGURE 3 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 3. Alona ossiani herricki ssp. nov. from Sebago Lake, Cumberland county, Maine, USA. A–M, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C. inner setae of endites 1–2 of limb I. D, limb II. E, exopodite of limb III. F–G, inner and outer parts of inner portion of limb III. H, exopodite of limb III. I–J, inner portion of limb IV and its soft setae. K–L, limb V and its gnathobase filter plate. M, limb VI. N–O, thoracic limb I of adult male. Scale bar: 0.1 mm.

FIGURE 7. Alona lepida Birge, 1982 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 7. Alona lepida Birge, 1982 from White lake, Blanden County, North Carolina, USA, thoracic limbs of adult parthenogenetic female. A, limb I. B, IDL and ODL of limb I. C, limb II. D, exopodite of limb III. E, distal endite of limb III. F, exopodite of limb III. G–H, inner portion of limb IV and its soft setae. I, limb V. J, limb VI. Scale bar: 0.1 mm.

FIGURE 6. Alona lepida Birge, 1982 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 6. Alona lepida Birge, 1982 from White lake, Blanden County, North Carolina, USA, adult parthenogenetic female. A–C, labrums. В–F, outlines of postabdomen. G, postabdomens. H, distal marginal denticles of postabdomen. I, postabdominal claw. J, antennules and outline of rostrum. K, antenna. L–M, distal segments of antenna exopodite and endopodite. Scale bar: 0.1 mm for A–C, G, J–M and B–F, 0.05 mm for H–I.

FIGURE 2 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 2. Alona ossiani herricki ssp. nov. from Sebago Lake, Cumberland county, Maine, USA. A–F, adult parthenogenetic female. A–B, postabdomen. C, distal marginal denticles of postabdomen. D, postabdominal claw. E, antennule. F, antenna. G– H, adult male. G, postabdomen. H, antennule. Scale bar: 0.1 mm for A–B, E–H, 0.05 mm for C–D.