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51 results for “Cecropia”
FIGURE 5 in A new genus of mites of the subfamily Platyseiinae associated with Azteca ant galleries in Cecropia trees in Costa Rica (Acari: Mesostigmata: Blattisociidae)
FIGURE 5: Calyptoseius longinoi n. sp., adult female: A – Tarsus I, detail of distal seta "s"; B – Tarsus I, dorsal view; C – Tarsus II, dorsal view; D – detail of pretarsus, ventral view; E – Detail of basitarsus III; F – Tarsus IV, anterolateral view and detail of dorsal strap-like seta. Fig. B, solid black circles refer to ventral setae; Figs. C-F, dorsal setae in solid black color.
FIGURE 4 in A new genus of mites of the subfamily Platyseiinae associated with Azteca ant galleries in Cecropia trees in Costa Rica (Acari: Mesostigmata: Blattisociidae)
FIGURE 4: Calyptoseius longinoi n. sp., legs I-IV excluding tarsus, adult female: A – Leg I, dorsal view; B – Leg II, dorsal view; C – Leg III, anterolateral view; D – Leg IV, anterolateral view. Dorsal setae in solid black color.
FIGURE 2 in A new genus of mites of the subfamily Platyseiinae associated with Azteca ant galleries in Cecropia trees in Costa Rica (Acari: Mesostigmata: Blattisociidae)
FIGURE 2: Calyptoseius longinoi n. sp., adult female: A – Idiosoma, ventral view; B – Detail of proximal region of peritrematal shield and its fusion with exopodal strip; C – Chelicera, anterolateral view; D – Fixed cheliceral digit, lateral detail of distal region; E – Dorsum of fixed digit, with detail of dorsal cheliceral seta.
FIGURE 1 in A new genus of mites of the subfamily Platyseiinae associated with Azteca ant galleries in Cecropia trees in Costa Rica (Acari: Mesostigmata: Blattisociidae)
FIGURE 1: Calyptoseius longinoi n. sp., adult female: A – Idiosoma, dorsal view; B – Detail of denoted dorsal setae; C – Gnathotectum; D – Subcapitulum; E – Tritosternum; F – Palp, dorsolateral view; dorsal setae in solid black color; G – Detail of palptarsus.
Data from: The demography of a resource specialist in the tropics: Cecropia trees and the fitness of three-toed sloths
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Molecular systematics, species concepts and myrmecophytism in Cecropia (Cecropieae: Urticaceae): Insights from restriction-site associated DNA
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Data from: Colony personality and plant health in the Azteca-Cecropia mutualism
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Data from: Are Cecropia trees ecosystem engineers? The effect of decomposing Cecropia leaves on arthropod communities
Ecosystem engineers structure species richness and the composition of biological communities. Although several studies have uncovered the importance of engineering environments, few studies have evaluated the effect of pioneering plants as ecosystem engineers, especially in tropical environments. When dead, Cecropia leaves become architecturally complex, acquiring a tridimensional shape due to desiccation, and may facilitate other organisms. Here we evaluate the role of these dead leaves in structuring species richness, abundance, biomass, and composition of macroinvertebrate communities on leaf litter in six protected areas of Brazilian Atlantic Rainforest. Predators were larger, more abundant, and presented higher standing stock in the presence of dead Cecropia leaves compared to soil debris (i.e., common leaf litter); however, detritivores had the opposite patterns. This resulted in shifts in body size structure of the assemblage, thus causing inversion of biomass pyramids to top-heavy in advanced stages of Cecropia leaves desiccation. Dead Cecropia leaves did not influence species richness and abundance of species, but they influenced the biomass of detritivores and predators in the communities. Our results demonstrated that pioneer trees can act as ecosystem engineers, by facilitating communities of invertebrate predators. In addition, our results suggest that the presence of Cecropia leaves can mediate trophic interactions and shape food web structure on the forest floor.
FIGURE 2 in Description of a new ant- and stingless-bee-loving species of Cryptostigma Ferris (Hemiptera: Coccomorpha: Coccidae) from Ecuador living inside internodes of Cecropia (Urticaceae), with an updated key to the adult females and first-instar nymphs of the genus
FIGURE 2. Cryptostigma cecropiaphilum Kondo & Roubik, sp. nov. A. Alcohol preserved specimen with wax partially removed (black arrow pointing to wax cover). B. Dead specimen found inside hollow Cecropia stem (yellow arrow pointing to a broken long thread of wax produced by the spiracular disc-pores). C. An acid fuchsin-stained slide-mounted adult female. Inset. Close-up of antenna. D. Spiracular disc-pores. E. Close-up of spiracle (above) and stigmatic sclerotization (below). F. Dorsal derm with preopercular pores (the darker pores), sclerotic pores and dorsal setae. G. Anal plates. H. Leg remnant. I. Dorsal derm with numerous sclerotic pores. Photographs by T. Kondo.
FIGURE 1 in Description of a new ant- and stingless-bee-loving species of Cryptostigma Ferris (Hemiptera: Coccomorpha: Coccidae) from Ecuador living inside internodes of Cecropia (Urticaceae), with an updated key to the adult females and first-instar nymphs of the genus
FIGURE 1. Cryptostigma cecropiaphilum Kondo & Roubik, sp. nov. A. Nest of Plebeia sp. in split-open stem of Cecropia, showing exposed females of C. cecropiaphilum (top half), normally surrounding bee brood cells (bottom half). B. Very long white waxy threads protruding from the stigmatic areas of Cryptostigma in a nest from which bees were removed; note white mold growing on ruptured-open body cavities of dead Cryptostigma females. Photographs by D.W. Roubik.
FIGURE 3 in Description of a new ant- and stingless-bee-loving species of Cryptostigma Ferris (Hemiptera: Coccomorpha: Coccidae) from Ecuador living inside internodes of Cecropia (Urticaceae), with an updated key to the adult females and first-instar nymphs of the genus
FIGURE 3. Cryptostigma cecropiaphilum Kondo & Roubik, sp. nov., adult female. Arrows in the main drawing point to leg remnants.
FIGURE 2. Cecropia candida. A in Hidden in plain sight: the identity of the white-leaved snakewood species from southeastern Brazil, Cecropia candida Snethl. and Cecropia hololeuca Miq. (Urticaceae)
FIGURE 2. Cecropia candida. A. Branch bearing leaves and staminate inflorescences; B. Detail of indumentum of leafy twigs and petioles; C. Adaxial leaf surface with arachnoid indumentum; D. Adaxial leaf surface with pilose indumentum; E. Leaf twigs bearing branches, petioles and staminate inflorescence; F. Pistillate inflorescence; G. Detail of surface of pistillate inflorescence; H. Detail of surface of staminate inflorescence; I. Pistillate flower; J. Stamen; K. Staminate flower. A, B, C, E, H, J and K from Silva 838; G and I from Silva 806; D from Silva 836. Drawing by Marcus J.A. Falcão.
FIGURE 1. Cecropia candida A in Hidden in plain sight: the identity of the white-leaved snakewood species from southeastern Brazil, Cecropia candida Snethl. and Cecropia hololeuca Miq. (Urticaceae)
FIGURE 1. Cecropia candida A. Habitat in the municipality of Alto Caparaó, Minas Gerais, Brazil; B. Stipules; C. Adaxial leaf surface with velutinous hairs; D. Adaxial leaf surface with arachnoid hairs; E. Staminate inflorescences; F. Pistillate inflorescences.
Data from: Are Cecropia trees ecosystem engineers? The effect of decomposing Cecropia leaves on arthropod communities
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Figures 15-17 in A new species of Clinodiplosis Kieffer (Diptera, Cecidomyiidae) associated with Cecropia sp. (Urticaceae) in Brazil
Figures 15-17. Clinodiplosiscecropiae Proença & Maia. (15) larva, general aspect (ventral view); (16) larval spatula and lateralpapillae (ventral view); (17) larva: terminal segment (ventral view).
Figures 2-8 in A new species of Clinodiplosis Kieffer (Diptera, Cecidomyiidae) associated with Cecropia sp. (Urticaceae) in Brazil
Figures 2-8. Clinodiplosiscecropiae Proença & Maia. (2) malehead (frontal view); (3) maleflagellomere V; (4) femaleflagellomere V; (5) femalefore leg: clawsand empodium (lateral view); (6) male abdomen, segments 6-8 (lateral view); (7) maleterminalia (dorsal view); (8) detail of the male'sgonostylus showingthe group of papillae thebasalportion (ventral view) (100x).
Figure 1 in A new species of Clinodiplosis Kieffer (Diptera, Cecidomyiidae) associated with Cecropia sp. (Urticaceae) in Brazil
Figure 1. Globoid gall, green, glabrousand onechambered onleaf petioleof Cecropia Loefl. sp. (Urticaceae). (1A) viewof the closed gall; (1B) view of the opened gall, showingthe innerchamber.
Supplementary material 1 from: Wcislo A, Graham X, Stevens S, Toppe JE, Wcislo L, Wcislo WT (2021) Azteca ants repair damage to their Cecropia host plants. Journal of Hymenoptera Research 88: 61-70. https://doi.org/10.3897/jhr.88.75855
Video S1
Supplementary material 2 from: Wcislo A, Graham X, Stevens S, Toppe JE, Wcislo L, Wcislo WT (2021) Azteca ants repair damage to their Cecropia host plants. Journal of Hymenoptera Research 88: 61-70. https://doi.org/10.3897/jhr.88.75855
Video S2
Figure 2 from: Wcislo A, Graham X, Stevens S, Toppe JE, Wcislo L, Wcislo WT (2021) Azteca ants repair damage to their Cecropia host plants. Journal of Hymenoptera Research 88: 61-70. https://doi.org/10.3897/jhr.88.75855
Figure 2 Azteca ant and Cecropia plant responses to wounds in the stems a a sealed hole after 24 hours, but not yet filled in to the stem surface (arrow) b a fully patched and filled-in hole after 24 hrs, oozing sap from the ant-sealed wound (arrow) c a natural plant scar surrounding a 6.4 mm hole that was fully sealed by the ants, approximately 5 months later d a hole in a plant without ants after 24 hrs, showing the green wall of the opposite side of the stem (arrow).
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