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100 results for “Cyclopoid”
FIG. 1. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 1. — Heptnerina confusa n. gen., n. sp., holotype; A, habitus, dorsal; B, habitus, lateral; C, genital double somite, dorsal; D, genital double somite, ventral; E, gonoporal area and P6, lateral. Scale bars: A, B, 0.2 mm; C-E, 0.05 mm.
Fig. 5 in A new genus and two new species of cave-dwelling cyclopoids (Crustacea, Copepoda) from the epikarst zone of Thailand and up-to-date keys to genera and subgenera of the Bryocyclops and Microcyclops groups
Fig. 5. Siamcyclops cavernicolus gen. et sp. nov., allotype, ♂. A. P3. B. P4. Scale bar: 100 μm.
FIG. 3. — Heptnerina confusa n. gen., n in A new genus and species of deep-sea cyclopoid (Crustacea, Copepoda, Cyclopinidae) from the Mid-Atlantic Ridge (Azores Triple Junction, Lucky Strike)
FIG. 3. — Heptnerina confusa n. gen., n. sp.,
Size, not temperature, drives cyclopoid copepod predation of invasive mosquito larvae
<p class="CxSpFirst">During range expansion, invasive species can experience new thermal regimes. Differences between the thermal performance of local and invasive species can alter species interactions, including predator-prey interactions. The Asian tiger mosquito, <i>Aedes albopictus</i>, is a known vector of several viral diseases of public health importance. It has successfully invaded many regions across the globe and currently threatens to invade regions of the UK where conditions would support seasonal activity. We assessed the functional response and predation efficiency (percentage of prey consumed) of the cyclopoid copepods <em>Macrocyclops albidus</em> and <em>Megacyclops viridis</em> from South East England, UK against newly-hatched French <em>Ae. albopictus</em> larvae across a relevant temperature range (15, 20, and 25ºC). Predator-absent controls were included in all experiments to account for background prey mortality. We found that both <i>M. albidus</i> and<i> M. viridis </i>display type II functional response curves, and that both would therefore be suitable biocontrol agents in the event of an <i>Ae. albopictus</i> invasion in the UK. No significant effect of temperature on the predation interaction was detected by either type of analysis. However, the predation efficiency analysis did show differences due to predator species. The results suggest that <i>M. viridis</i> would be a superior predator against invasive <i>Ae. albopictus</i> larvae due to the larger size of this copepod species, relative to <i>M. albidus</i>. Our work highlights the importance of size relationships in predicting interactions between invading prey and local predators.</p>
FIGURES 1–2 in Occurrence of Epistylis anastatica (Linnaeus, 1767) (Ciliophora: Peritrichia) on Mesocyclops isabellae Dussart & Fernando (Crustacea: Copepoda: Cyclopoida) in India, with an annotated checklist of species of Epistylis reported as Epibionts of Cyclopoid Copepods and resources for their identification
FIGURES 1–2. Colonies of Epistylis anastatica attached to the metasome and urosome of Mesocyclops isabellae. Scale bar = 250 µm in 1 and 50 µm in 2.
FIGURE 10 in Occurrence of Epistylis anastatica (Linnaeus, 1767) (Ciliophora: Peritrichia) on Mesocyclops isabellae Dussart & Fernando (Crustacea: Copepoda: Cyclopoida) in India, with an annotated checklist of species of Epistylis reported as Epibionts of Cyclopoid Copepods and resources for their identification
FIGURE 10. Diagrams that illustrate the possible forms and branching patterns of colonies of Epistylis spp. given in Table 2. Colony forms: a, simple cluster; b–c, e–h, arborescent; d, cuneate (wedge-shaped, with all stalks terminating at the same level); branching patterns: a, irregular (no discernible pattern); b–d, symmetrically dichotomous; c, asymmetrically dichotomous; e symmetrically alternating; f, asymmetrically alternating; g, pinnate; h, umbellate. Notes: colonies such as 'b' and 'c' are sometimes described as fan-shaped (flabellate); cuneate colonies (d) are sometimes incorrectly described as umbellate, a term that can be used properly only to describe a pattern in which all of the 2o branches radiate in different planes from a single point (compare 'd' and 'h' to see the difference); pinnate colonies like those illustrated in 'g' are an extreme variant of the alternating pattern in which pairs of 2o branches arise from points so close together that they seem to be opposite one another.
FIGURES 3–9 in Occurrence of Epistylis anastatica (Linnaeus, 1767) (Ciliophora: Peritrichia) on Mesocyclops isabellae Dussart & Fernando (Crustacea: Copepoda: Cyclopoida) in India, with an annotated checklist of species of Epistylis reported as Epibionts of Cyclopoid Copepods and resources for their identification
FIGURES 3–9. Epistylis anastatica attached to the exoskeleton of Mesocyclops isabellae. 3–5: views of the stalk, showing the dichotomous branching pattern and long primary stalk; arrowheads in fig. 3 indicate the branching points in an asymmetrically dichotomous colony and to its right are the abandoned stalks of a symmetrically dichotomous colony (region encircled); 4, immature colony; note the elongate primary stalk; 5, stalks of two symmetrically dichotomous colonies (one is lying over the other, which is slightly out of focus). 6–9: characteristics of zooids; 6, the upper arrowhead indicates the edge of the peristomial lip, and the lower arrowhead indicates the scopula (circular, aboral region that secretes the stalk and attaches the zooid to it); 7, arrow indicates the projecting tube formed by constriction of the peristomial lip when cell contracts ("schnauzenformigen"); MaN, longitudinally oriented macronucleus; 8–9, zooids that remained expanded when fixed; arrow indicates the peristomial lip in both figures. Scale bar = 100 µm in 3–4 and 25 µm in 5–9.
Figure 5 in Diversity and abnormalities of cyclopoid copepods around hydrothermal vent fluids, Kueishantao Island, north-eastern Taiwan
Figure 5. Photographs showing TLAs on the body surface of cyclopoid copepods from Kueshintao Island, off the north-east Taiwan coast. (A) Oncaea sp. with external protrusion (5× magnification); (B) Oncaea sp. with external protrusion (10× magnification); (C) Corycaeus sp. with epibiont attached on cephalothorax (10× magnification); (D) Oncaea sp. with spiny outgrowths from the protrusion (100× magnification), probably representing tantulocarid infection.
Figure 3 in Diversity and abnormalities of cyclopoid copepods around hydrothermal vent fluids, Kueishantao Island, north-eastern Taiwan
Figure 3. Relative abundance of cyclopoid copepod species recorded from Kueshintao Island, north-east Taiwan during this survey.
Figure 4 in Diversity and abnormalities of cyclopoid copepods around hydrothermal vent fluids, Kueishantao Island, north-eastern Taiwan
Figure 4. Single-linkage Bray–Curtis dendrogram of cyclopoid copepod abundance in the surveyed area.
Figure 1 in Diversity and abnormalities of cyclopoid copepods around hydrothermal vent fluids, Kueishantao Island, north-eastern Taiwan
Figure 1. Location of sampling stations along the Kueshintao Island, off the north-eastern Taiwan coast.
FIGURE 52. Haplocyclops godavari n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 52. Haplocyclops godavari n. sp., holotype female (a – h), allotype male (i). (a) antennule, lateral; (b) antenna, lateral; (c) labrum, ventral; (d) mandible, lateral; (e) paragnath, ventral; (f) maxillule, lateral; (g) maxilla, lateral; (h) maxilliped, lateral; (i) antennule.
FIGURE 53. Haplocyclops godavari n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 53. Haplocyclops godavari n. sp., holotype female (a – d), paratype female (e). (a) leg 1, anterior; (b) leg 2, anterior; (c) leg 3, posterior; (d) leg 4, anterior; (e) endopod of leg 3, anterior.
FIGURE 54. Haplocyclops godavari n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 54. Haplocyclops godavari n. sp., paratype male (a, b), allotype male (c). (a) habitus, dorsal; (b) urosome, dorsal; (c) same, ventral.
FIGURE 50. Haplocyclops primitivus n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 50. Haplocyclops primitivus n. sp. (a) paratype male, urosome, dorsal; (b) allotype male, same, ventral.
FIGURE 51. Haplocyclops godavari n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 51. Haplocyclops godavari n. sp., paratype female (a – c), holotype female (d). (a) habitus, dorsal; (b) urosome, dorsal; (c) same, lateral; (d) same, ventral.
FIGURE 48. Haplocyclops primitivus n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 48. Haplocyclops primitivus n. sp., holotype female (a – d), paratype female (e), allotype male (f). (a) leg 1, anterior; (b) leg 2, anterior; (c) leg 3, anterior; (d) leg 4, posterior; (e) endopod of leg 3; (f) endopod of leg 4.
FIGURE 46. Haplocyclops primitivus n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 46. Haplocyclops primitivus n. sp., holotype female (a), paratype female (b – e). (a) urosome, dorsal; (b) same, ventral; (c) same, lateral; (d) leg 5, latero-ventral; (e) leg 6, latero-ventral.
FIGURE 47. Haplocyclops primitivus n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 47. Haplocyclops primitivus n. sp., holotype female. (a) rostrum, ventral; (b) antenna, lateral; (c) labrum, ventral; (d) mandible, lateral; (e) maxillule, lateral; (f) maxilla, lateral; (g) maxilliped, lateral.
FIGURE 49. Haplocyclops primitivus n in Groundwater cyclopoid copepods of peninsular India, with description of eight new species
FIGURE 49. Haplocyclops primitivus n. sp. (a) paratype male, habitus, dorsal; (b) allotype male, antennule, lateral; (c) same, ultimate and penultimate segments.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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