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535 results for “scavengers”
FIGURE 2 in New species and new distributional records of the hygropetric water scavenger beetle genus Oocyclus Sharp (Coleoptera, Hydrophilidae) from the Brazilian Shield
FIGURE 2. Oocyclus ecolab sp. n., dorsal (a), ventral (b) and, lateral habitus (c), antero-dorsal view (d), arrow indicates prosternal carina (e) (paratype). Scale bar: a, b and c = 1.0 mm; d = 0.5 mm and e = 0.2 mm.
FIGURE 4 in New species and new distributional records of the hygropetric water scavenger beetle genus Oocyclus Sharp (Coleoptera, Hydrophilidae) from the Brazilian Shield
FIGURE 4. Oocyclus giganteus sp. n., dorsal (a), ventral (b) and, lateral habitus (c), antero-dorsal view (d) arrow indicates the prosternal carina (e) (paratype). Scale bar: a, b and c = 1.0 mm; d = 0.5 mm and e = 0.2 mm.
FIGURE 12 in New species and new distributional records of the hygropetric water scavenger beetle genus Oocyclus Sharp (Coleoptera, Hydrophilidae) from the Brazilian Shield
FIGURE 12. Elytral detail of Oocyclus spp. a) O. thysanus sp. n.; b) O. thrixdiastematus sp. n.; c) O. ovalis sp. n.; d) O. sulcatus sp. n.; spr = systematic punctures row; int = elytral interval. Note in most cases, the rows of systematic punctures can be detected by the presence of the setae; int1 is the sutural interval.
FIGURE 1 in New species and new distributional records of the hygropetric water scavenger beetle genus Oocyclus Sharp (Coleoptera, Hydrophilidae) from the Brazilian Shield
FIGURE 1. Rock-face seepages of Oocyclus species. (a) collection sites in Brazil included in this article, (b) spray zones of waterfalls, (c) vertical surfaces with water, (d) rock-face seepages with green algae.
Data from: Megafires attract avian scavenging but carcasses still persist
<p>AIM</p> <p>The effects of fires on vertebrate scavengers have not been characterised despite the importance of scavenging in shaping food web dynamics. We assessed whether the 2019/2020 megafires in Australia shifted the species richness, carcass detection, and feeding times of vertebrate scavengers, and whether the fire affected carcasses persistence times.</p> <p>LOCATION</p> <p>Blue Mountains, south-eastern Australia.</p> <p>METHOD</p> <p>We monitored vertebrate scavengers via remote cameras on a total of 60 experimentally placed kangaroo carcasses for 30 days in two periods before the megafire (January 2018 and 2019) and one period after the megafire (March 2020) in both open and closed canopy habitats. We compared vertebrate species richness, carcass discovery and scavenging activity before and after the fire and between the two habitats. We also assessed carcass persistence (time to carcass removal) before and after the fire and between the two habitats.</p> <p>RESULTS</p> <p>We collected more than 689,000 images of nine vertebrate scavengers including six avian, two mammal, and one reptile species. We detected no decline in scavenger species richness following the fire, and rates of carcass detection for mammals and reptiles did not differ across pre- and post-fire periods. On the other hand, avian scavengers detected carcasses faster in the post-fire period and in open compared to closed canopy habitats. Overall, scavengers increased their feeding times in the post-fire period, especially avian scavengers, but carcasses persisted longer in the post-fire period when compared to the second pre-fire period.</p> <p>MAIN CONCLUSION</p> <p>Our study identified that a widespread fire could influence avian scavenging dynamics, but that other factors affected carcass persistence times over the study period. Future monitoring of carcasses following fires should focus on the responses by both vertebrate and insect scavengers to fully elucidate the effects of these major disturbance events on critical ecosystem processes linked to decomposition.</p>
Fig. 2 in Historical Biogeography of Holarctic Cymbiodyta Water Scavenger Beetles in the Times of Cenozoic Land Bridge Dispersal Routes
Fig. 2. Bayesian median divergence time estimates of Cymbiodyta. Maximum clade credibility chronogram resulting from the best BEAST analysis using secondary calibrations with outgroups pruned.The credibility intervals are indicated with gray horizontal boxes.The best ancestral range estimation scheme from the DEC analyses is presented with the most likely ancestral range for each node along the phylogeny of the genus. Color codes follow the inserted caption.
Fig. 1 in Historical Biogeography of Holarctic Cymbiodyta Water Scavenger Beetles in the Times of Cenozoic Land Bridge Dispersal Routes
Fig. 1. Molecular phylogeny of the genus Cymbiodyta and phylogenetically closely related genera. MrBayes topology inferred based on the concatenated data set of five gene fragments. Nodal support for each node resulting from the MrBayes and IQ-TREE analyses is given following the inserted caption. A picture of Cymbiodyta marginella (Fabricius, 1792) is presented (Credit: Udo Shmidt).
Supplementary material 2 from: Fossen EI, Ekrem T, Nilsson AN, Bergsten J (2016) Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae). ZooKeys 564: 71-120. https://doi.org/10.3897/zookeys.564.6558
Additional morphological characters : Explanation note: Word file containing a list and descriptions of additional morphological characters that were measured. Contains 11 external body and 8 male genital characters.
Supplementary material 4 from: Fossen EI, Ekrem T, Nilsson AN, Bergsten J (2016) Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae). ZooKeys 564: 71-120. https://doi.org/10.3897/zookeys.564.6558
Morphological dataset : Explanation note: Excel file containing the complete morphological measurements. Includes a second data sheet with non-abbreviated variables and units for the measurements.
Supplementary material 3 from: Fossen EI, Ekrem T, Nilsson AN, Bergsten J (2016) Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae). ZooKeys 564: 71-120. https://doi.org/10.3897/zookeys.564.6558
Supplementary tables and figures : Explanation note: Additional tables (S1-S10) and figures (S1-S6). Phylogenetic trees, BPP results, post-hoc comparisons of morphological characters etc.
Supplementary material 1 from: Fossen EI, Ekrem T, Nilsson AN, Bergsten J (2016) Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae). ZooKeys 564: 71-120. https://doi.org/10.3897/zookeys.564.6558
Specimen information : Explanation note: Excel file containing information (locality data, voucher info, gender, BOLD ID) about all specimens that where measured and/or sequenced.
FIGURES 15–16 in Two new species of the water scavenger beetle genus Hemiosus Sharp (Coleoptera: Hydrophilidae) from Colombian Andes
FIGURES 15–16. Habitat of Hemiosus molanoi sp. nov. and Hemiosus quindiensis sp. nov.: 15: Colombia, Quindío Department, Córdoba Municipality, Río Verde; 16: Colombia: Quindío Department: La Tebaida Municipality, Pizamal, type locality of both species.
FIGURES 8–14 in Two new species of the water scavenger beetle genus Hemiosus Sharp (Coleoptera: Hydrophilidae) from Colombian Andes
FIGURES 8–14. Hemiosus quindiensis, sp. nov., 8: dorsal habitus; 9: mesoventral process in ventral view; 10: mesoventral process in lateral view; 11: metaventral process in ventral view; 12: abdominal ventrites in ventral view; 13: left elytron in lateral view; 14: aedeagus in ventral view. Scale: fig. 8 = 1 mm, fig. 13 = 1 mm, fig. 14 = 0.1 mm.
FIGURES 1–7 in Two new species of the water scavenger beetle genus Hemiosus Sharp (Coleoptera: Hydrophilidae) from Colombian Andes
FIGURES 1–7. Hemiosus molanoi, sp. nov., 1: dorsal habitus; 2: mesoventral process in ventral view; 3: mesoventral process in lateral view; 4: metaventral process in ventral view; 5: abdominal ventrites in ventral view; 6: left elytron in lateral view; 7: aedeagus in ventral view. Scale: fig. 1 = 1 mm, fig. 6 = 1 mm, fig. 7 = 0.1 mm.
EduLifeDesks Archive: The Field Museum Members Night EOL Photo Scavenger Hunt 2010 (137) DwCA
Open the record for dataset details and reuse information.
Figure 10 in Biogeography and phylogeny of the scavenging amphipod genus Valettietta (Amphipoda: Alicelloidea), with descriptions of two new species from the abyssal Pacific Ocean
Figure 10. Valettietta trottarum holotype, immature, 10.5 mm, NHMUK 2024.37, Clarion-Clipperton Zone, 4313 m. MX = Maxilla; Md = Mandible; MXP = Maxilliped; LL = Lower lip; UL = Upper lip; l = left; r = right. Unfilled circles indicate setal bases.
Figure 4 in Biogeography and phylogeny of the scavenging amphipod genus Valettietta (Amphipoda: Alicelloidea), with descriptions of two new species from the abyssal Pacific Ocean
Figure 4. Photographs of Valettietta synchlys: top, holotype, immature, NHMUK 2024.63, preserved specimen; bottom, paratype, immature, NHMUK 2024.75, fresh specimen showing ocular patch. Scale bar = 2mm.
Figure 2 in Biogeography and phylogeny of the scavenging amphipod genus Valettietta (Amphipoda: Alicelloidea), with descriptions of two new species from the abyssal Pacific Ocean
Figure 2. Bayesian tree showing the relationships between amphipod species based on a concatenated dataset of 16S and COI sequence data. Bayesian posterior probability values greater than 0.5 (before /) and maximum-likelihood bootstrap values (after /) are shown on branch nodes. Branches are labelled by species name, with collection location and depth (m) in brackets. Asterisks indicate sequences added by this study. Species delimitation results and family are denoted on the right. Scale indicates time relative to root age. Location abbreviations are as follows, CCZ—Clarion-Clipperton Zone; ANS—Afanasy Nikitin Seamount; WZFZ—Wallaby Zenith Fracture Zone; NHT—New Hebrides Trench; MT—Mariana Trench; PAP—Porcupine Abyssal Plain; PCT—Peru-Chile Trench; AnB—Angola Basin; ArB—Argentine Basin; BB—Brazil Basin; KT—Kermadec Trench; SEIR—South East Indian Ridge; MAR—Mid-Atlantic Ridge. For complete references and accession numbers for sequences see Supporting information, Tables S2, S3.
Figure 1 in Biogeography and phylogeny of the scavenging amphipod genus Valettietta (Amphipoda: Alicelloidea), with descriptions of two new species from the abyssal Pacific Ocean
Figure 1. Distribution of Valettietta Lincoln & Thurston, 1983 species. A, all published records of Valettietta species. Stars represent type localities and circles all other records. Filled shapes indicate specimens identified by morphology and DNA, and empty shapes indicate specimens identified by morphology only. Individuals only tentatively identified by morphology (e.g. V. cf. gracilis), or only identified to genus level are not shown. Black boxes indicate location of map sections B and C. B, type locality for V. trottarum and V. synchlys within the ClarionClipperton Zone. C, paratype locality for V. synchlys within the Clarion-Clipperton Zone. See Supporting information, Table S2 for full specimen collection details.
Figure 7 in Biogeography and phylogeny of the scavenging amphipod genus Valettietta (Amphipoda: Alicelloidea), with descriptions of two new species from the abyssal Pacific Ocean
Figure 7. Valettietta synchlys holotype, immature, NHMUK 2024.63, 16.1 mm, Clarion-Clipperton Zone, 4230 m. P = Pleopod; U = Uropod; T = Telson.
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Allen Brain Atlas
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OpenNeuro
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