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477 results for “Myriapoda”
FIG. 8 in Checklist of the terrestrial and freshwater arthropods of French Polynesia (Chelicerata; Myriapoda; Crustacea; Hexapoda)
FIG. 8. — Rhynchium quinquecinctum tahitense de Saussure, 1867 from Taha'a. Photograph: F. Jacq.
FIG. 12 in The giant pill-millipedes of Madagascar: revision of the genus Zoosphaerium (Myriapoda, Diplopoda, Sphaerotheriida)
FIG. 12. — Distribution map of Zoosphaerium libidinosum (de Saussure & Zehntner, 1897) (▲).
Genetic diversity varies with species traits and latitude in predatory soil arthropods (Myriapoda: Chilopoda)
<p><strong>Aim</strong></p> <p>To investigate the drivers of intra-specific genetic diversity in centipedes, a group of ancient predatory soil arthropods.</p> <p><strong>Location</strong></p> <p>Asia, Australasia and Europe</p> <p><strong>Time period</strong></p> <p>Present</p> <p><strong>Major taxa studied</strong></p> <p>Centipedes (Class: Chilopoda)</p> <p><strong>Methods</strong></p> <p>We assembled a database of 1245 mitochondrial cytochrome c oxidase subunit I sequences representing 128 centipede species from all five orders of Chilopoda. This sequence dataset was used to estimate genetic diversity for centipede species and compare its distribution with estimates from other arthropod groups. We studied the variation in centipede genetic diversity with species traits and biogeography using a beta regression framework, controlling for the effect of shared evolutionary history within a family.</p> <p><strong>Results</strong></p> <p>A wide variation in genetic diversity across centipede species (0 to 0.1713) falls towards the higher end of values among arthropods. Overall, 27.57% of the variation in mitochondrial COI genetic diversity in centipedes was explained by a combination of predictors related to life history and biogeography. Genetic diversity decreased with body size and latitudinal position of sampled localities, was greater in species showing maternal care and increased with geographic distance among conspecifics.</p> <p><strong>Main conclusions</strong></p> <p>Centipedes fall towards the higher end of genetic diversity among arthropods, which may be related to their long evolutionary history and low dispersal ability. In centipedes, the negative association of body size with genetic diversity may be mediated by its influence on local abundance or the influence of ecological strategy on long-term population history. Species with maternal care had higher genetic diversity, which goes against expectations and needs further scrutiny. Hemispheric differences in genetic diversity can be due to historic climatic stability and lower seasonality in the southern hemisphere. Overall, we find that despite the differences in mean genetic diversity among animals, similar processes related to life history strategy and biogeography are associated with the variation within them.</p>
Data from: Arthropod phylotranscriptomics with a special focus on the basal phylogeny of the Myriapoda
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Genetic diversity varies with species traits and latitude in predatory soil arthropods (Myriapoda: Chilopoda)
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FIGURES 11–16 in A remarkable new genus and species of Hansenauropodidae (Myriapoda Pauropoda) from the seashore of Hainan Island, China
FIGURES 11–16. Psammopauropus macrospinus sp. n. holotype. 11, habitus, dorsal view; 12, habitus, ventral view; 13, head, dorsal view—temporal organs are large oval structures; 14, collum; 15, tergite I; 16, antenna. Scale bar: 100 μm (11–12); 20 μm (13–16).
FIGURES 3–10 in A remarkable new genus and species of Hansenauropodidae (Myriapoda Pauropoda) from the seashore of Hainan Island, China
FIGURES 3–10. Psammopauropus macrospinus sp. n. holotype. 3, head, right side, dorsal view; 4, antenna, dorsal view; 5, tarsus of leg 1; 6, tarsus of leg 9; 7, T3 and T5; 8, collum; 9, tergum of pygidium; 10, sternum of pygidium. Scale bars: 20 μm.
FIGURES 28–29 in Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China
FIGURES 28–29. Dasongius spatulatus sp. n. 28, tergum of pygidium; 29, sternum of pygidium. Scale bars: 20 μm.
FIGURES 22–27 in Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China
FIGURES 22–27. Dasongius spatulatus sp. n. 22, head, right part, dorsal view; 23, right antenna, tergal view; 24, collum segment, median and right part, sternal view; 25, tarsus of leg 1; 26, right male genital papillae; 27, tarsus of leg 9. Scale bars: 20 μm.
FIGURES 10–21 in Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China
FIGURES 10–21. Dasongius liupanensis sp. n. 10, habitus; 11, head, dorsal view; 12, collum segment, sternal view; 13, tergite I; 14, tergite II; 15, left antenna, tergal view; 16, coxa and trochanter of leg 1; 17, coxa and trochanter of leg 9; 18, tarsus of leg 9; 19, tergite V, right part; 20, tergum of pygidium; 21, sternum of pygidium. Scale bars: 100 μm (10); 20 μm (11–21).
FIGURES 1–6 in Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China
FIGURES 1–6. Dasongius liupanensis sp. n. 1, head, right part, dorsal view; 2, left antennal segments I–IV, tergal view; 3, sternal branch of antennal segment IV; 4, tergal branch of antennal segment IV; 5, tarsus of leg 9; 6, sternum of pygidium. Scale bars: 20 μm.
FIGURES 30–37 in Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China
FIGURES 30–37. Dasongius spatulatus sp. n. 30, habitus; 31, head, dorsal view; 32, tergite I; 33, tergite II; 34, tergite IV; 35, tergite V; 36, coxa and trochanter of leg 9; 37, tergite VI and tergum of pygidium. Scale bars: 100 μm (30); 20 μm (31–37).
FIGURES 12–20 in Pauropoda (Myriapoda) from Great Smoky Mountains National Park, U. S. A., with descriptions of four new species
FIGURES 12–20. Stylopauropus plicatus sp. n., holotype (Ƥ) 12–15, 17–20. paratype (3)16. 12, head, right half, tergal view. 13, right antenna, tergal view. 14, collum segment, median and left part, sternal view. 15, tergite VI, posteriomedian part. 16, genital papillae and seta on coca of leg 2, anterior view. 17, seta on coxa of leg 9. 18, tarsus of leg 9. 19, pygidium, posteriomedian and left posterior part, sternal view. 20, anal plate, lateral view. Pubescence only partly drawn in 18. Scale a: 17, 18; b: 12, 14–16; c: 13; d: 19, 20.
FIGURES 1–6. Scolopendrellopsis persicus n in First record of Symphyla (Myriapoda) from Iran, with description of a new species in Scolopendrellopsis (Scolopendrellidae)
FIGURES 1–6. Scolopendrellopsis persicus n. sp., adult Ƥ, holotype. 1. Head and tergites I-IV, dorsal view. 2. Antenna, segments 1–3, dorsal view. 3. Antenna, segment 10, dorsal view. 4. Leg 1. 5. Tarsus of last pair of legs. 6. Left cercus, dorsal
FIGURE 17 in Revision of the Megaphyllum projectum Verhoeff species complex (Myriapoda: Diplopoda: Julida: Julidae)
FIGURE 17. (a) M. p. kochi female from Ohlau, Germany: left and right vulva from caudal view. (b) M. p. kochi female from Sanssouci, Germany: left vulva from caudal, right vulva from mesal view. (c) Vulvae of a M. p. cf. deubeli female from Bǎile Borşa, Maramureş Mts., Romania: right vulva anterior view and left vulva mesal view (scale bar: 0.2 mm).
FIGURES 1–7 in Revision of the Megaphyllum projectum Verhoeff species complex (Myriapoda: Diplopoda: Julida: Julidae)
FIGURES 1–7. (1) In situ gonopods of a M. p. projectum male, from ANP, Hungary, caudal view. (2) Right promere of a M. p. projectum individual, from ANP, Hungary, mesal view. (3) Right opisthomere of the same individual, lateral view (scale bars: 0.5 mm). (4) Same individual, apical end of left opisthomere, mesal view (scale bar: 0.1 mm). Right opishomere of the same individual (5) caudo-lateral view; (6) lateral view; (7) antero-lateral view (scale bars: 0.2 mm).
FIGURES 14–16 in Revision of the Megaphyllum projectum Verhoeff species complex (Myriapoda: Diplopoda: Julida: Julidae)
FIGURES 14–16. (14) In situ gonopods of a M. p. kochi male, from Oława, Poland, caudal view. (15) Right promere of a M. p. kochi male from Potsdam, Germany: caudo-mesal, mesal and antero-mesal views. (16) Right promere of a M. p. projectum male from ANP, Aggtelek, Patkós Valley, Hungary: caudo-mesal, mesal and antero-mesal views. (scale bars 0.2 mm)
FIGURES 9–13 in Revision of the Megaphyllum projectum Verhoeff species complex (Myriapoda: Diplopoda: Julida: Julidae)
FIGURES 9–13. (9) Left promere of the M. p. deubeli specimen from Bǎile Borşa, Maramureş Mts., Romania, mesal view. (10) Left opisthomere of the same individual, lateral view (scale bars: 0.2 mm). The same opisthomere from (11) caudo-lateral view; (12) lateral view; (13) antero-lateral view (scale bars: 0.1 mm).
FIGURE 8. M. p in Revision of the Megaphyllum projectum Verhoeff species complex (Myriapoda: Diplopoda: Julida: Julidae)
FIGURE 8. M. p. projectum genitalia variation: (a)–(c) female vulvae, (d)–(i) males, right and left opisthomeres from mesal view. (a) ANP, Szin, Szelcepuszta, left vulva caudal, right vulva mesal view; (b) ANP, Jósvafő, Tohonya Valley, left vulva caudal, right vulva mesal view; (c) Romania, Maramureşului Basin, Rona de Sus, left vulva caudal, right vulva anterior view. (d)–(h) five males from the same vial, ANP, Aggtelek, Ménes valley. (i) ANP, Aggtelek, Patkós Valley (scale bars: 0.2 mm).
FIGURES 64–68 in The millipede genus Megaphyllum Verhoeff, 1894 in the Balkan Peninsula, with description of new species (Myriapoda: Diplopoda: Julida: Julidae)
FIGURES 64–68. Megaphyllum danyii Lazányi & Korsós sp. n. from Greece, the Peloponnese, Elliniko, male holotype, right gonopods. (64) Promere, caudal view; (65) opisthomere, meso-anterior view (scale bars: 0.25mm); opisthomere from (66) mesal, (67) anterior and (68) latero-anterior views (scale bars: 0.1mm). Abbreviations: cm: coarse margin on promere, g: groove, gr: setose groove; lp: lateral process, ly: layer, r: riffle, scp: caudal process of the solenomere, P: promere.
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