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431 results for “leech”
Support files for draft genome of the Asian buffalo leech, Hirudinaria manillensis
<p>The assembly fasta file, TE and gene gff files, and annotations for the draft genome of the Asian buffalo leech, Hirudinaria manillensis. </p>
FIGURES 12–15 in Leeches from Chiapas, Mexico, with a new species of Erpobdella (Hirudinida: Erpobdellidae)
FIGURES 12–15. Rhynchobdellida from Chiapas, Mexico. Helobdella elongata: 12. dorsal view, 13. ventral view. Helobdella octatestisaca: 14. dorsal view, 15. ventral view.
FIGURE 7 in Leeches from Chiapas, Mexico, with a new species of Erpobdella (Hirudinida: Erpobdellidae)
FIGURE 7. Maximum likelihood phylogenetic reconstruction of the family Erpobdellidae focused on establishing the closest relatives to Erpobdella adani. Support values are based on 1000 bootstrap pseudoreplicates.
FIGURES 2–6. Erpobdella adani. 2. Holotype, dorsal view. 3. Holotype, ventral view. 4 in Leeches from Chiapas, Mexico, with a new species of Erpobdella (Hirudinida: Erpobdellidae)
FIGURES 2–6. Erpobdella adani. 2. Holotype, dorsal view. 3. Holotype, ventral view. 4. Paratype, male gonopore (black arrow), female gonopore (white arrow). 5. Paratype, ventral anterior end, anterior sucker. 6. Illustration of the male (dark gray) and female (light gray) reproductive systems, atrial horns (ah), ejaculatory duct (ed), ventral nerve cord (nc), ovary (ov); testisacs not shown.
FIGURES 8–11 in Leeches from Chiapas, Mexico, with a new species of Erpobdella (Hirudinida: Erpobdellidae)
FIGURES 8–11. Arhynchobdellida from Chiapas, Mexico. Erpobdella triannulata: 8. dorsal view, 9. ventral view. Diestecostoma octannulata: 10. dorsal view, 11. ventral view.
FIGURES 16–19 in Leeches from Chiapas, Mexico, with a new species of Erpobdella (Hirudinida: Erpobdellidae)
FIGURES 16–19. Rhynchobdellida from Chiapas, Mexico. Helobdella socimulcensis: 16. dorsal view, 17. ventral view. Placobdella ringueleti: 18. dorsal view, 19. ventral view.
Impacts of abiotic and biotic factors on terrestrial leeches in
<p>Haemadipsid leeches are ubiquitous inhabitants of tropical and sub-tropical forests in the Indo-Pacific region. They are increasingly used as indicator taxa for biomonitoring, yet very little is known about their basic ecology. For example, to date no study has assessed the occurrence and distribution of haemadipsid leeches across naturally occurring gradients within intact habitats. We analysed a long-term data set (2012-2020) on the closely related tiger (Haemadipsa picta) and brown (Haemadipsa spp.) leech species to investigate if and how abiotic and biotic factors influence their occurrence across a gradient of forest types at an undisturbed tropical rainforest site in Indonesian Borneo. We compared a series of negative binomial mixed models and found that, of the abiotic factors, soil moisture had the largest positive effect on encounter rates of both leech species. Among biotic factors, forest type had differential effects on counts of the two species: while tiger leech counts were greater in low elevation forest types, brown leech counts were greater in high elevation forest types. Additionally, we found that the presence of one species had a positive effect on the presence of the other species. Finally, our results show that the tiger leech has a narrower distribution, being restricted to lower elevation forest types with higher water retention, suggesting that the tiger leech could be more sensitive to lower soil moisture levels.</p>
Measuring protected-area effectiveness using vertebrate distributions from leech iDNA
<p>Protected areas are key to meeting biodiversity conservation goals, but direct measures of effectiveness have proven difficult to obtain. We address this challenge by using environmental DNA from leech-ingested bloodmeals to estimate spatially-resolved vertebrate occupancies across the 677 km<sup>2</sup> Ailaoshan reserve in Yunnan, China. From 30,468 leeches collected by 163 park rangers across 172 patrol areas, we identify 86 vertebrate species, including amphibians, mammals, birds and squamates. Multi-species occupancy modelling shows that species richness increases with elevation and distance to reserve edge. Most large mammals (e.g. sambar, black bear, serow, tufted deer) follow this pattern; the exceptions are the three domestic mammal species (cows, sheep, goats) and muntjak deer, which are more common at lower elevations. Vertebrate occupancies are a direct measure of conservation outcomes that can help guide protected-area management and improve the contributions that protected areas make towards global biodiversity goals. Here, we show the feasibility of using invertebrate-derived DNA to estimate spatially-resolved vertebrate occupancies across entire protected areas.</p>
FIGURE 6. Macrobdella ditetra Moore, 1953 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 6. Macrobdella ditetra Moore, 1953 (CASIZ 224103) feeding on Lithobates sphenocephalus (Cope, 1886); arrows point to the leech.
FIGURE 4 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 4. Unusual overlapping annuli (annuli 48–49) observed on one specimen of Macrobdella sestertia (ChM IO7).
FIGURE 2. Macrobdella sestertia Whitman, 1886 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 2. Macrobdella sestertia Whitman, 1886 from Sleepy Creek, Edgefield Co., South Carolina (CASIZ 224101). Specimens were photographed alive on 1 August 2008.
FIGURE 3 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 3. Distribution of Macrobdella sestertia Whitman, 1886 in Edgefield Co., South Carolina, USA.
FIGURE 8 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 8. Field notes for Macrobdella collections at Northwood Lake (aka Suncook Pond), Rockingham Co., New Hampshire on 3 June 1938 by Reeve M. Bailey and James A. Oliver. Courtesy of Fish Division, University of Michigan Museum of Zoology (UMMZ).
Figure 1. Adult Trocheta haskonis Grosser, 2000 from Banja Luka. A-B in Monster from the Vault: a new finding of one of the largest European leech Trocheta haskonis Grosser, 2000 from Bosnia and Herzegovina
Figure 1. Adult Trocheta haskonis Grosser, 2000 from Banja Luka. A-B Living specimens; C-D Sampling site: utility vault near in the village Prijakovci, Banja Luka, photographed in summer 2018. Photos by G. Šukalo.
Figure 2 in Monster from the Vault: a new finding of one of the largest European leech Trocheta haskonis Grosser, 2000 from Bosnia and Herzegovina
Figure 2. Adult Trocheta haskonis from the locus typicus and its earth-worm prey. Photo by C. Grosser.
Figure 2 in An updated checklist of leeches (Annelida: Hirudinea) from Bosnia and Herzegovina
Figure 2. Diversity of leeches in Bosnia and Herzegovina (BIH) and surrounding countries (Montenegro - MNE, Serbia - SRB and Croatia - HRV).
Figure 1 in An updated checklist of leeches (Annelida: Hirudinea) from Bosnia and Herzegovina
Figure 1. Distribution map of Dina sketi Grosser & Pešić, 2014 based on the literature data (blue spots) and a new field records (red spot) (a); spring and stream at locality Balkana (b); specimens of Dina sketi (c).
Рис. 2. Collita coreana (Leech, [1889]): (A) имаго, (B) генитаΛии самца. Масштабная Λинейка = 5 мм. (Фото: Е. А. Спицына). Fig. 2. Collita coreana (Leech, [1889]): (A) imago, (B) male genitalia. Scale bars = 5 mm. (Photos by E. A. Spitsyna) in New record of Collita coreana (Leech, [1889]) (Erebidae: Arctiinae) from Russia
Рис. 2. Collita coreana (Leech, [1889]): (A) имаго, (B) генитаΛии самца. Масштабная Λинейка = 5 мм. (Фото: Е. А. Спицына). Fig. 2. Collita coreana (Leech, [1889]): (A) imago, (B) male genitalia. Scale bars = 5 mm. (Photos by E. A. Spitsyna)
Fig. 3 in Reproductive strategies of the kangaroo leech, Marsupiobdella africana (Glossiphoniidae)
Fig. 3. Scanning electron micrographs of a Marsupiobdella africana spermatophore: (a) proximal region showing the attachment disk attachment fibres; (b) spermatophore showing smooth surface of the two 'side by side' germinal lobes and; (c) distal horn. Scale bars: a, 50 μm; b, 100 μm; c, 20 μm.
Fig. 2 in Reproductive strategies of the kangaroo leech, Marsupiobdella africana (Glossiphoniidae)
Fig. 2. Microscope images of Marsupiobdella africana: (a) mature leech with a spermatophore implanted on the dorsal surface; (b) micrograph of a spermatophore firmly attached to a leech; (c) cross section through a spermatophore showing the two lobes; (d) histological cross section of a leech at the position of the spermatophore attachment; (e) histological section through the spermatophore contents that have been transferred into a leech; (f) light micrograph of a gravid leech with the brood pouch heavily swollen; (g) light micrograph showing young that are being discharged from the brood pouch; (h) sagittal section through the brood pouch containing several developing young. Abbreviations: as, attachment site; em, embryo; mp, marsupial pouch opening; sc, spermatophore contents; sp; sperm; sr, spermatophore; td, transfer duct. Scale bars: a, b, f and g, 500 μm; c and e, 20 μm; d, 200 μm; h, 250 μm.
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.