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403 results for “morphological characteristics”
FIGURE 46 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 46. Arrenurus integrator: A—ventral side, B—dorsal plate, C—excretory pore plate, D—pedipalp (scale bars: A, B—100 µm; C, D—20 µm).
FIGURE 49 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 49. Arrenurus sinuator: A—ventral side, B—dorsal plate, C—excretory pore plate, D—pedipalp (scale bars: A, B—100 µm; C, D—20 µm).
FIGURE 15 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 15. Arrenurus bruzelii: A—ventral side, B—dorsal plate, C—excretory pore plate, D—leg I, E—leg II, F — leg III (scale bars: A, B—100 µm; C—20 µm; D, E, F—50 µm).
FIGURE 16 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 16. Arrenurus claviger: A—ventral side, B—dorsal plate, C—excretory pore plate (scale bars: A, B—100 µm; C—20 µm).
FIGURE 18 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 18. Arrenurus cuspidifer: A—ventral side, B—dorsal plate, C—excretory pore plate (scale bars: A, B— 100 µm; C—10 µm).
FIGURE 17 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 17. Arrenurus cuspidator: A—ventral side, B—dorsal plate, C—excretory pore plate (scale bars: A, B—100 µm; C—10 µm).
FIGURE 14 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 14. Arrenurus tricuspidator: A—ventral side, B—dorsal plate, C—excretory pore plate, D—pedipalp, D —leg I (scale bars: A, B—100 µm; C—50 µm; D—20 µm).
FIGURE 10 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 10. Phylogenetic topology of Arrenurus genus on the grounds of larval morphology: d-0 – d-3— Bremer's coefficient; 1, 1.1 … 3, 3.2—signature of klads; (A)—Arrenurus s. str.; (Ma)—Micrarrenurus; (Mc)—Micruracarus; (Mg)— Megaluracarus; (T)—Truncaturus; * transfered from Arrenurus s. str.
FIGURE 11 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 11. Arrenurus affinis: A—ventral side, B—dorsal plate, C—excretory pore plate, D—pedipalp (scale bars: A, B—100 µm; C, D—20 µm).
FIGURE 9 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 9. Principal components analysis (PCA) of ratios: A—scree plot, B—two dimensional representations of PC1 and PC2, C—operational taxonomic units (OUT) of PC1 and PC2, D—two dimensional representations of PC1 and PC3, E—operational taxonomic units (OUT) of PC1 and PC3, F—two dimensional representations of PC2 and PC3, G—operational taxonomic units (OUT) of PC2 and PC3.
FIGURE 8 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 8. Principal components analysis (PCA) of metric characters: A – scree plot, B – two dimensional representations of PC1 and PC2, C – operational taxonomic units (OUT) of PC1 and PC2, D – two dimensional representations of PC1 and PC3, E – operational taxonomic units (OUT) of PC1 and PC3, F – two dimensional representations of PC2 and PC3, G – operational taxonomic units (OUT) of PC2 and PC3.
FIGURE 7 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 7. Diagram of leg chaetotaxy and solenidiotaxy of larva of Arrenurus genus (after Smith 1978): — solenid-
FIGURE 2 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 2. Diagram of pedipalp chaetotaxy and solenidiotaxy of larva of Arrenurus genus: —solenidium, — smooth seta, —pectinate seta, —bipectinate seta, —thin seta, —medium-thickness seta, — thick seta,
FIGURE 1 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 1. Arrenurus maculator: A—ventral side, B—dorsal side, C—excretory pore plate, D—pedipalp, E—chelicera, F—leg I, G—leg II, H—leg III (scale bars: A, B—100 µm; C, D—10 µm; E—50 µm; F, G, H—20 µm).
FIGURE 12 in Morphological characteristics of water mite larvae of the genus Arrenurus Dugès, 1834, with notes on the phylogeny of the genus and an identification key
FIGURE 12. Arrenurus bicuspidator: A—ventral side, B—dorsal plate, C—excretory pore plate, D—pedipalp, D —leg III (scale bars: A, B—100 µm; C, D—20 µm).
FIGURE 3 in Distinctive morphological characteristics of Fucus guiryi (Fucales, Phaeophyceae) from Canary Islands, subtropical eastern Atlantic Ocean
FIGURE 3. Sections of branches of Fucus guiryi. A. Transverse section of branch at the level of the first dichotomy. Scale bar = 100 µm. B. Meristoderm and cortex. Scale bar = 20 µm. C. Medulla. Scale bar = 20 µm. Arrowhead shows abundant mucilage. Stained as above. Photos by M.A. Ruiz-Medina.
FIGURE 6 in Distinctive morphological characteristics of Fucus guiryi (Fucales, Phaeophyceae) from Canary Islands, subtropical eastern Atlantic Ocean
FIGURE 6. Transverse sections of receptacles of Fucus guiryi. A, B. Initial stages of conceptacle development. Scale bar = 20 µm. C–F. Mature conceptacles. Scale bar = 40 µm (asterisk = oogonia; arrow = antheridia; p = paraphysis; arrowhead = abundant mucilage). G, H. Oogonium with two visible oospheres and two antheridia with multiple antherozoids inside, respectively. Scale bar = 20 µm. I. Transverse section of sterile edge of receptacle. Scale bar = 40 µm. Stained as above. Photos by M.A. Ruiz-Medina.
FIGURE 5 in Distinctive morphological characteristics of Fucus guiryi (Fucales, Phaeophyceae) from Canary Islands, subtropical eastern Atlantic Ocean
FIGURE 5. Sections of branches of Fucus guiryi. A. Transverse section of branch at the level of the third dichotomy. Scale bar = 200 µm. B, C. Cortex and medulla in the marginal area of the branch, respectively. D. Cryptostomata. E. Intermediate zone between the margin and the central nerve. F, G. Medulla and cortex of central area, respectively. Scale bar = 20 µm. Arrowhead shows abundant mucilage. Stained as above. Photos by M.A. Ruiz-Medina.
FIGURE 2 in Distinctive morphological characteristics of Fucus guiryi (Fucales, Phaeophyceae) from Canary Islands, subtropical eastern Atlantic Ocean
FIGURE 2. Transverse sections of basal stipe of Fucus guiryi. A. Basal stipe with central nerve (right of red line) and an adventitious branch (left of red line). Scale bar = 100 µm. B. Transversal section of the apex of the adventitious branch. C. Transition zone between the nerve of the basal branch and the adventitious branch. D, E. Central zone of the medulla and the cortical zone of the basal branch. Scale bar = 20 µm. Arrowhead shows abundant mucilage. Stained using alcian blue and nuclear red. Photos by M.A. Ruiz-Medina.
FIGURE 1. A. A in Distinctive morphological characteristics of Fucus guiryi (Fucales, Phaeophyceae) from Canary Islands, subtropical eastern Atlantic Ocean
FIGURE 1. A. A scheme of morphological examination of Fucus guiryi. Red lines represent the cutting zone and red circles indicate the adventitious branches. B. Juvenile branches. C. Senescent branch. b = basal branch; a = adventitious branch; d1–d3 = dichotomy 1–3, respectively. Scale bar = 1 cm. Photos by M.A. Ruiz-Medina.
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