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773 results for “orchids”
Figure 3 in Orchid bees (Apidae: Euglossini) in Cerrado remnants in northeast Brazil
Figure 3. Distribution of the most abundant Euglossini species during 18 months of sampling, and monthly mean temperature and humidity in two areas of the Cerrado biome in Mirador State Park, MA: gallery forest (a) and Cerrado sensu stricto (b).
Figure 1 in Foraging patterns and artificial fragrance choices of male orchid bees in the Brazilian Atlantic Rainforest
Figure 1. Number of male euglossine bees belonging to the four most abundant species of orchid bees (Euglossa annectans, E. stellfeldi, E. iopoecila and E. roderici) attracted monthly to the eight fragrances offered to bees during the wet-warm season: (a) on Superagui Island (SI), over three sampling periods; (b) on RNSM. O, N, D, J, F, M, A = October, November, December, January, February, March and April, respectively. EG = eugenol; EC = eucalyptol; VN = vanillin; BI = betaionone; BA = benzyl acetate; MS = methyl salicylate; BB = benzyl benzoate; MC = methyl cinnamate.
Figure 1 in Time-lapse photography reveals the occurrence of unexpected bee-pollination in Calanthe izuinsularis, an endangered orchid endemic to the Izu archipelago
Figure 1. Flowers and insect visitors of Calanthe izuinsularis. (a) Photoscotosia lucicolens; (b) Odontopera arida melanchonica; (c) Noctuidae sp.; (d) Geometridae sp.; (e) Trichoplusia intermixta; (f) Diarsia deparca; (g) Paliga minnehaha; (h) Serrodes campanus; (i) Lasioglossum apristum; (j) Lasioglossum occidens; (k) Lasioglossum occidens. The pollinaria indicated by white arrows can be seen attached to the bee's mesothorax.
Figure 1 in Using short-term surveys and mark-recapture to estimate diversity and population size of orchid bees in forest formations of the Brazilian savanna
Figure 1. Marking method used in the study of euglossine populations. (a) During all populational estimatives. Each geometric shape corresponds to the day when the PTT was collected. Square = 1st day; circle = 2nd day; pentagon = 3rd day; triangle = 4th day; diamond = 5th day. (b) During the samplings occurred simultaneously in seasonal semi-deciduous (ssf) and gallery forest (ssf). Square = 1st day; circle = 2nd day; pentagon = 3rd day; square combined with spot on the wing = 4th day; circle combined with spot on the wing = 5th day.
Figure 2 in Orchid bees (Hymenoptera, Apidae, Euglossini) are seasonal in Seasonal Semideciduous Forest fragments, southern Brazil
Figure 2. Orchid bee phenology in Seasonal Semideciduous Forest fragments, Euglossa fimbriata.
FIG. 2 in Interactions between the sexually deceptive orchid Spiculaea ciliata and its wasp pollinator Thynnoturneria sp. (Hymenoptera: Thynninae)
FIG. 2. The number of males contacting an elbow orchid over 5 minute presentations of bait specimens. (Top) Results of 10 trials conducted at Frank Hann National Park in November 1995. DiOEerences in the mean numbers of contacts over the 5 minutes are statistically signi®cant: ANOVA F = 7.6, p <0.001. (Middle) Results of 16 trials at [4,45] Pallarup Rocks Reserve in November 1995. DiOEerences in the mean numbers of contacts over the 5 minutes are statistically signi®cant: ANOVA F = 5.4, p <0.001. (Bottom) [4, 75] Results of 36 trials at Pallarup Rocks Reserve in November 1997. DiOEerences in the mean numbers of contacts over the 5 minutes are statistically signi®cant: ANOVA F = 11.5, p<0.001.
FIGURE 1 in The orchid-bee fauna (Hymenoptera: Apidae) of a forest remnant in southern Bahia, Brazil, with new geographic records and an identification key to the known species of the area
FIGURE 1. Map showing the exact location of Parque Estadual da Serra do Conduru, state of Bahia, Brazil. Approximate location of Estação Veracel in southern Bahia is indicated by the orange square.
FIGURES 2–21 in Glomeremus species from the Mascarene islands (Orthoptera, Gryllacrididae) with the description of the pollinator of an endemic orchid from the island of Réunion
FIGURES 2–21. Glomeremus of the Mascarene islands. 2, 4, 7, 10, 13, 16, 19, Glomeremus orchidophilus n. sp. 5, 8, 11, 14, 17, 20, Glomeremus paraorchidophilus n. sp. 3, 6, 9, 12, 15, 18, 21, Glomeremus tikasignatus n. sp. 2, 3, head in frontal view. 4– 6, left hind femora in side view. 7–9, male subgenital plate in ventral view. 10–12, scan electron microscope picture of male tergite X right sclerite. 13–15, male terminalia (SGP removed) in ventral/posterior view. 16– 18, female terminalia in right side view. 19–21, female subgenital plate and basis of ovipositor in ventral view. Bars: 1 mm.
FIGURE 1 in Expansion of the orchid genus Coelogyne (Arethuseae; Epidendroideae) to include Bracisepalum, Bulleyia, Chelonistele, Dendrochilum, Dickasonia, Entomophobia, Geesinkorchis, Gynoglottis, Ischnogyne, Nabaluia, Neogyna, Otochilus, Panisea and Pholidota
FIGURE 1. Bayesian tree based on combined nuclear ribosomal ITS and plastid matK sequences of Coelogyninae and outgroups. Bootstrap percentages are above the branches. This is a reanalysis of data generated for previously published studies; none of the data was produced for this paper.
FIGURE 2 in Expansion of the orchid genus Coelogyne (Arethuseae; Epidendroideae) to include Bracisepalum, Bulleyia, Chelonistele, Dendrochilum, Dickasonia, Entomophobia, Geesinkorchis, Gynoglottis, Ischnogyne, Nabaluia, Neogyna, Otochilus, Panisea and Pholidota
FIGURE 2. Selected species of Coelogyninae with similar floral morphologies. A. Coelogyne confertiflora M.W.Chase & Schuit. (formerly Dendrochilum densiflorum (de Vogel) H.A.Pedersen & Gravend.). B. Coelogyne articulata (Lindl.) Rchb.f. (formerly Pholidota articulata Lindl.). C. Coelogyne dentata M.W.Chase & Schuit. (formerly Chelonistele dentifera de Vogel). D. Coelogyne blumea M.W.Chase & Schuit. (formerly Nabaluia angustifolia de Vogel). E. Coelogyne entomophobia M.W.Chase & Schuit. (formerly Entomophobia kinabaluensis (Ames) de Vogel). F. Coelogyne phaiostele Ridl. (formerly Geesinkorchis phaiostele (Ridl.) de Vogel). G. Coelogyne uniflora Lindl. (formerly Panisea uniflora (Lindl.) Lindl.). All photographs by Rogier van Vugt.
FIGURE 3 in Three new host records of endophytic Neofusicoccum species reported from Dendrobium orchids
FIGURE 3. Neofusicoccum parvum (MFLUCC 14-0163). A–B. Colony on PDA (A. surface, B. reverse). C–G. Conidiomata on PDA. H. Conidiogenous cells with conidia. I. Conidiogenous cell with conidium stained with Congo red. J–M. Conidia (I, L, M stained with Congored). Scale bars: C= 200 μm, D=500 μm, H=20 μm, I–K =10 μm, L–M=5 μm.
FIGURE 2 in Three new host records of endophytic Neofusicoccum species reported from Dendrobium orchids
FIGURE 2. Neofusicoccum occulatum on PDA (MFLUCC 20-0234) A–B. Colony on PDA (A: surface, B: reverse). C. Conidiomata masses. D–G. Conidia. Scale bars: C=500 μm, D–G=10 μm.
FIGURE 4 in Three new host records of endophytic Neofusicoccum species reported from Dendrobium orchids
FIGURE 4. Neofusicoccum parvum (MFLUCC 19-0244, C–N from WA). A–B. Colony on PDA (A: surface, B: reverse). C. Conidiomata on slide culture. D–G. Pycnidia. H–L. Conidiogenous cells with conidia. M–N. Conidia. Scale bars: H=10 μm, I–J=5 μm, K–N=10 μm.
FIGURE 1. The consensus phylogram resulting from a in Three new host records of endophytic Neofusicoccum species reported from Dendrobium orchids
FIGURE 1. The consensus phylogram resulting from a RAxML analysis of the combined four loci alignment (ITS-RPB2 -EF-1α-TUB2) of the analysed Neofusicoccum and related species sequences. Strains isolated in this study are in red. Ex-epitype and ex-type isolates are
FIGURE 1. Gastrodia qingyunshanensis J.X.Huang, H in Gastrodia qingyunshanensis (Orchidaceae: Epidendroideae)-a new holomycotrophic orchid from Guangdong, China
FIGURE 1. Gastrodia qingyunshanensis J.X.Huang, H.Xu et H.J.Yang. A. Habit; B. Gross morphology; C. Fruit; D. Ventral view of flower; E. Side view of flower; F. Front view of flower; G. Inner view of flattened perianth tube; H. Lip; I. Column, ventral view; J. Column, side view, with appendage; K. Column, inner view by rip cutting (A-C. Bar = 1cm; D-K. Bar = 1mm.). Photography by Haijun Yang and Han Xu.
FIGURE 2. Gastrodia qingyunshanensis J.X.Huang, H in Gastrodia qingyunshanensis (Orchidaceae: Epidendroideae)-a new holomycotrophic orchid from Guangdong, China
FIGURE 2. Gastrodia qingyunshanensis J.X.Huang, H. Xu et H.J.Yang. A. Gross morphology; B. Flower; C. Flattened perianth tube; D. Lip; E. Column, lateral view, with anther and appendage; F. Column, ventral view, without appendage; G. Anther. Drawn by Qianyu Liang.
FIGURE. Morphological diversity of flowers and leaves in New Zealand spider orchids (Corybas). Labellum (A: C. hypogaeus, B: C. macranthus, C: C. papa); dorsal sepal (D: C. hypogaeus, E: C. confusus, F: C. papillosus), leaf (G: C. hypogaeus, H: "trotters", I: C. confusus, J: C. orbiculatus, K: C. acuminatus). Scale bar = 5 mm in Five new species of Corybas (Diurideae, Orchidaceae) endemic to New Zealand and phylogeny of the Nematoceras clade
FIGURE. Morphological diversity of flowers and leaves in New Zealand spider orchids (Corybas). Labellum (A: C. hypogaeus, B: C. macranthus, C: C. papa); dorsal sepal (D: C. hypogaeus, E: C. confusus, F: C. papillosus), leaf (G: C. hypogaeus, H: "trotters", I: C. confusus, J: C. orbiculatus, K: C. acuminatus). Scale bar = 5 mm
FIGURE. Bayesian tree of New Zealand spider orchids (Corybas) based on DNA sequence data from ITS, trnL-trnF and psbJ-petA. Major clades are indicated by open bars and capital letters, members of the C. trilobus aggregate are shaded, and posterior probabilities/ bootstrap percentages (≥50) indicated by numbers near each node. NI: North Island, SI: South Island, MCQI: Macquarie Island, CHI: Chatham Island in Five new species of Corybas (Diurideae, Orchidaceae) endemic to New Zealand and phylogeny of the Nematoceras clade
FIGURE. Bayesian tree of New Zealand spider orchids (Corybas) based on DNA sequence data from ITS, trnL-trnF and psbJ-petA. Major clades are indicated by open bars and capital letters, members of the C. trilobus aggregate are shaded, and posterior probabilities/ bootstrap percentages (≥50) indicated by numbers near each node. NI: North Island, SI: South Island, MCQI: Macquarie Island, CHI: Chatham Island
FIGURE 3. Bulbophyllum gracilipes. A—Flowering plant. B, C in Bulbophyllum xuansonii (Orchidaceae), a new miniature orchid from northern Vietnam and new national record of B. gracilipes
FIGURE 3. Bulbophyllum gracilipes. A—Flowering plant. B, C—Inflorescences; D—Flower, frontal, side view and view from back. E—Flower, side and half side views, median sepal removed. F—Median sepal, adaxial and abaxial surface. G. Lateral sepals, adaxial and abaxial surface. H. Petals, adaxial and abaxial surface. I. Lip, views from different sides. J. Column, frontal, half side and side views. K. Anther cap; L. Pollinia. All photo by Truong Ba Vuong from specimen BV 1028. Correction and design by Truong Ba Vuong, L. Averyanov and T. Maisak.
Seven new Serendipita species associated with Australian terrestrial orchids
<p><i>Serendipita</i> is one of the main fungal genera that form mutualistic associations with species of orchids (Orchidaceae). Seven new <i>Serendipita</i> species associated with various Australian orchid genera are described. These <i>Serendipita</i> species were originally characterized by multilocus DNA sequence species delimitation analyses (three mtDNA and four nuclear genes) and confirmed as distinct with addition of further isolates and re-analysis of the nuc rDNA ITS1-5.8S-ITS2 (ITS) and nuc 28s rDNA (28S). Morphology and micro-features of cultures of each of the species are described. Three of the new species are binucleate, whereas the other four are multinucleate. For the ITS region, the seven species have within species sequence divergence between 1.07 and 4.31 % and all but one of the species pairs are separated by interspecific divergence of at least 4.35 %. The newly described <i>Serendipita</i> species, <i>S. australiana, S. communis</i>,<i> S. occidentalis</i>,<i> S. rarihospitum</i>,<i> S. secunda</i>, <i>S. talbotii</i>, and <i>S. warcupii </i>are shown to be separate species to <i>S. vermifera</i> on the basis of comparison against a sequence from the type. Isolates originally identified by Warcup as <i>Sebacina "vermifera</i>" from <i>Caladenia</i> orchids are reidentified as belonging to three of the species newly described here. Some non-<i>Caladenia</i> isolates identified by Warcup as <i>S. </i>"<i>vermifera</i>" are also shown to be non-conspecific with the type of <i>S. vermifera</i>. On the basis of ITS sequences, 346 isolates from 26 other studies, previously identified under provisional designations, are accomodated under the novel species. The species of <i>Serendipta</i> described here associate with the Australian orchid genera <i>Caladenia, Cyanicula, Elythranthera, Ericksonella, Eriochilus, Glossodia</i>,<i> </i>and<i> Pheladenia</i>. Most of the novel <i>Serendipita</i> species occur widely across Australia, often with widely distributed hosts, but one species, <i>Serendipita rarihospitum</i>, associates with narrowly distributed orchid species.</p>
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