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2,196 results for “water mite”
FIGURE 1 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 1: Torrenticola trimaculata n. sp. habitus of types (montaged from iPhone steromicrographs): A – Holotype (female): dorsal and ventral habitus, Morph 1; B – Allotype (male): dorsal and ventral habitus, Morph 1. Coloration is not indicative of sex.
FIGURE 12 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 12: Torrenticola trimaculata n. sp. rostral opening and fangs (LT-SEM): A – frontal aspect of rostrum showing opening for fangs surrounded by adoral setae (ad); B – lateral view of rostrum with both fangs partially extended; C – lateral view of fangs; D – frontal view depicting extended right fang (left fang just emerging from rostrum), note lateral and medial teeth of right fang probably used for anchoring into prey; E – dorsal view of rostral opening with fangs retracted.
FIGURE 7 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 7: Torrenticola trimaculata n. sp. leg setae (LT-SEM): A – Leg I trochanter, note hatchet-shape and fringed spatulate setae; B – Leg II telofemur, note fringed spatulate setae and simple setae; C – Leg II & III with coxal glandularium 2 (Cxgl-2) in right foreground, note variously shaped fringed spatulate setae, hexagonal depressions of integument on legs (esp. on telo-femur II), and crenulated distal margins of podomeres.
FIGURE 6 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 6: Torrenticola trimaculata n. sp. primary and secondary sclerotization (Morph-1 female compound light micrographs):
FIGURE 5 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 5: Torrenticola trimaculata n. sp. integument (A-C. light micrographs; D-E. LT-SEM): A – surface-level view depicting many depressions, each containing many pits, note muscle scars are not yet in-focus; B – mid-level view depicting tubular 'trunks' formed by the convergence of the branches from each pit; C – bottom-level view depicting bases of trunks, note that the muscle scars are infocus; D – surface-level view of a single depression containing many pits that represent the openings of the many internal branches; E – lateral aspect of idiosoma with a tear between the dorsum and venter, note the surface-level depressions on the dorsum (top) and inner-level openings of the 'trunks' into the body on the venter (bottom).
FIGURE 2 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 2: Torrenticola trimaculata n. sp. morphs (A-D compound light micrographs; E-F stereomicrographs): A – Morph I female, note large dorsal spots, pigmented gnathosoma and venter (within area of primary sclerotization), and orange legs; B – Morph II female, note small dorsal spots, and colorless gnathosoma, legs, and venter (except for genital plate); C – Morph I male (note same coloration as female); D – Morph II male (note same coloration as female but with hind coxae pigmented); E-F – Dorsal habitus of Morph I & II, respectively.
FIGURE 13 in Torrenticola trimaculata n. sp. (Parasitengona: Torrenticolidae), a three-spotted water mite from eastern North America: taxonomic history, species delimitation, and survey of external morphology
FIGURE 13: Torrenticola trimaculata n. sp. pedipalp (LT-SEM): A-B – medial (A) and lateral (B) view of genu depicting medial placement of disto-ventral dentate projections; C-D – lateral (C) and inner (D) detail of femoral projection; E – lateral detail of mid-ventral tibial spines. Fringed spatulate setae (fss); long simple setae (lss); short grooved setae (sgs).
Spider mite resistant maize lines, B75 and B96, maintain resistance under water-stress
<p>Climate variability has major implications for agriculture due to the increase in the frequency and intensity of simultaneous abiotic, namely water-stress, and biotic stresses to crops. Plant water-stress alone harms crops but also can attract outbreaks of herbivores with varied host specialization, and plants succumb to further yield losses dealing with multiple stressors. Host-plant resistance provides a route to lessen yield losses from herbivory; however, our knowledge of the interactions between water-stress and pest resistance is limited, especially for mite herbivores of maize including the generalist two-spotted spider mite (<em>Tetranychus</em> <em>urticae</em>, TSM) and the specialist Banks grass mite (<em>Oligonychus</em> <em>pratensis</em>, BGM). We conducted parallel greenhouse and field experiments whereby a susceptible line (B73) and two TSM-resistant lines (B75 and B96) were subjected to either optimal irrigation or water-stress [50–60% and 5–10% volumetric water content (VWC), and 25–32% and 10–15% VWC, in the greenhouse and field, respectively]. As expected, we found that under optimal irrigation TSM and BGM populations increased readily on B73, while B75 and B96 were largely resistant to the TSM but not BGM. While plant water-stress increased the susceptibility of B73 to both mite species, water-stress did not disrupt initial resistance levels of B75 and B96 maize for either mite species. Elevated protease activity was found in B75 and B96 and may contribute to maize resistance. Our findings that B75 and B96 are highly resistant to the TSM, and maintain resistance to both mite species with water-stress, highlights the importance of including the nuances of multiple stressors within the framework of host-plant resistance.</p>
Figure 8 in A quantitative method for collecting water mites in lotic, riffle-run habitats for water quality biomonitoring
Figure 8 The final composite, sieved water mite sample ready for the picking process.
Figure 2 in First data on water mite (Acari, Hydrachnidia) assemblages of Point Rosa Marsh, Harrison Township, Michigan, USA, and their use as environmental bioindicators of aquatic health
Figure 2 Point Rosa Marsh along Lake St. Clair, Harrison Township, Michigan, USA. (A) Taken at
Figure 1 in First data on water mite (Acari, Hydrachnidia) assemblages of Point Rosa Marsh, Harrison Township, Michigan, USA, and their use as environmental bioindicators of aquatic health
Figure 1 Map of Lake St. Clair Metropark with inset showing placement in the Lake St. Clair
Figure 17 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 17 Frontipodopsis sp., lateral view, sample site Be18-8c.
Figure 16 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 16 Polyaxonopsella sp., female, dorsal and ventral view, sample site Be18-5c.
Figure 13 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 13 Torrenticola sp. 2, male, dorsal and ventral view, sample site Be18-8c.
Figure 9 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 9 Sperchon sp., dorsal and ventral view, sample site Be18-10a.
Figure 8 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 8 Neomamersa sp., dorsal and ventral view, sample site Be18-5a.
Figure 6 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 6 Limnesia sp., female, dorsal and ventral view, sample site Be18-8a.
Figure 5 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 5 Lebertia sp., dorsal and ventral view, sample site Be18-10b.
Figure 4 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 4 Santiagocarus sp., female, dorsal and ventral view, sample site Be18-8c.
Figure 3 in Hidden treasures - a first study on the unexplored diversity of water mites (Acari; Hydrachnidia) from Belize
Figure 3 Clathrosperchon sp., male, dorsal and ventral view, sample site Be18-10a.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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
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.