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2,196 results for “Water mites”
Effects of microarthropod exclusion and water amendments on fluffgrass growth, root nitrogen, and mite and nematode abundance at the Jornada Basin LTER site, 1986-1987
This data package contains data on microarthropods, nematodes, fluff-grass (Dasyochloa pulchella) growth, and root nitrogen in samples from study plots sampled approximately monthly between May 1986 and August 1987 at the Jornada Basin LTER site in southern New Mexico USA. The purpose of this study was to test how watering, and changing densities of soil microarthropods and nematodes, results in changes in fluff grass growth and root nitrogen. Twenty 6 x 6 m plots were established with a 3 m buffer between plots. Five plots were randomly assigned to one of four treatments: 1) Chlordane to exclude microarthropods, 2) Chlordane and water, 3) Water, and 4) Control. At monthly intervals, randomly selected fluff grass plants were collected from each plot. This data set consists of plant diameters (cm), mite soil weight (g), root weight (g), nematode soil weight (g), root total nitrogen (mg/g), and nematode number. This study was completed in November 1987.
Figure 8 in Ultrastructure of the prosomal gland complex in unfed larvae of the fresh-water mite Limnesia maculata (Müller, 1776) (Acariformes, Limnesiidae)
Figure 8 Organization of the labyrinth of coxal glands in unfed larvaeL. maculata.TEM. a – Central portion of the labyrinth with a conspicuous central lumen filled with various membranous and granular structures. Scale bar – 2 μm; b – Portion of the labyrinth with a collapsed lumen penetrated by microvilli. Scale bar – 2 μm; c – Basal lamina penetrating between the gland cells at their base (arrow). Scale bar – 0.5µζ; d – Portion of the convoluted labyrinth showing semi-circled mutual invagination of the gland cells (arrow). Scale bar – 1 μm; e – The apical cell contact with hardly distinguishable septate junction (arrow). Note axial filaments within microvilli (arrowheads). Scale bar – 0.5 μm. gl – glycogen; gll – gland lumen; m – mitochondria; mg – midgut; mt – microtubules; mv – microvilli; n – nucleus; nu – nucleolus; rb – residual body; rer – rough endoplasmic reticulum.
Figure 1 in Ultrastructure of the prosomal gland complex in unfed larvae of the fresh-water mite Limnesia maculata (Müller, 1776) (Acariformes, Limnesiidae)
Figure 1 Podocephalic glands in unfed larvaeL. maculatain sagittal sections. TEM. a – Nearly axial section showing two medial glands located one after another as well as pharynx and chelicera. Scale bar – 20 μm; b – Section slightly apart from the axial line showing medial glands and podocephalic canal.Arrow indicates long extensions of the duct-forming cells flanking lateral lacunas of the intra-alveolar lumen. Scale bar – 10 μm; c – Section through the region of the origin of leg I showing the lateral and the ventral glands as well as the terminal bladder of the coxal gland in a nearly collapsed condition. Scale bar – 20 μm. amg – anterior medial gland; bl – bladder; br – brain; ch – chelicera; hem – hemocyte; ial – intra-alveolar lumen; lg – lateral gland; legI – leg I; ms – muscles; pc – podocephalic canal; ph – pharynx; pmg – posterior medial gland; schs – subcheliceral space; vg – ventral gland.
Figure 2 in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 2 Arrenurus rotundus (Daday), male. A – dorsum; B – venter; C – palp; D – palp. Arrenurus minimus (Daday), female, Rio Cuminá, Brazil, slide 7343 Viets coll. (slide 43137 SMF). E – palp. Scale bars: A, B = 100 µm, C-E = 50 µm.
Figure 9 Arrenurus surinamensis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 9 Arrenurus surinamensis n. sp., A-D holotype male, E paratype female. A – dorsum; B – venter; C – left palp; D – right palp; E – venter. Scale bars: A-B = 100 µm, C-D = 50 µm.
Figure 6 Arrenurus mansoensis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 6 Arrenurus mansoensis n. sp., holotype male. A – dorsum; B – venter; C – palp. Scale bars: A, B = 100 µm, C = 50 µm.
Figure 5 Arrenurus ludificator Koenike, A-D male, E female. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 5 Arrenurus ludificator Koenike, A-D male, E female. A – dorsum; B – venter; C – lateral view; D – palp; E – venter. Scale bars: A-C, E = 200 µm, D = 50 µm.
Figure 8 Arrenurus stagnalis n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 8 Arrenurus stagnalis n. sp., A-D holotype male, E paratype female. A – dorsum; B – venter; C – lateral view (not all details shown); D – palp; E – venter. Scale bars: A-C = 100 µm, D = 50 µm, E = 200 µm.
Figure 11 Arrenurus tenuicollis lacustris n. subsp. A-D holotype male, E paratype female. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 11 Arrenurus tenuicollis lacustris n. subsp. A-D holotype male, E paratype female. A – dorsum; B – venter; C – detail of cauda; D – palp; E – venter. Scale bars: A-B, E = 200 µm, C = 100 µm; D = 50 µm.
Figure 10 Arrenurus tempelmani n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 10 Arrenurus tempelmani n. sp., holotype male. A – dorsum; B – venter; C – lateral view; D – palp. Scale bars: A-C = 200 µm, D = 50 µm.
Figure 3 Arrenurus consanguineus K. Viets, male. A in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 3 Arrenurus consanguineus K. Viets, male. A – dorsum; B – venter; C – palp. Scale bars: A-B = 100 µm, C = 50 µm.
Figure 7 Arrenurus niger n in New records of the water mite genus Arrenurus Dugès, 1834 from South America (Acari: Hydrachnidia: Arrenuridae), with the description of five new species and one new subspecies
Figure 7 Arrenurus niger n. sp. A-E holotype male, F paratype female. A – dorsum; B – venter; C – right palp; D – left palp (segments rotated); E – IV-leg-6; F = venter. Scale bars: A-B, F = 100 µm, C-E = 50 µm.
Figure 1 in First evidence of parasitation of a Bosmina (Cladocera) by a water mite larva in a karst sinkhole, in Quintana Roo (Yucatán Peninsula, México)
Figure 1 Water mite larva (Unionicola sp.) attached to a water flea (Bosmina tubicen). The scale bar indicates 50 μm.
Figure 9 in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 9 Atractides sonkulensisn. sp., female paratype: A – coxal field; B – genital field; C – palp, lateral view; D – palp, lateral view; E – I-L-5 and -6. Scale bars = 100 μm.
Figure 10 in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 10 Photographs of sampling sites: A – KR3, Ala Archa NP, spring outlet (locus typicusof Atractides alaarchaensis n. sp.); B – KR32, stream near Son Kul lake (locus typicusof Atractides sonkulensisn. sp.); C – KR10, spring in Grigorievka canyon (locus typicusof Atractides grigorievkan. sp.); D – KR8, Chon-Kemin NP, upper part of stream near Ashu resort (locus typicusof Torrenticola kyrgyzican. sp.); E – KR15, river on the road to May Saz Pass (locus typicusof Wandesia albertii n. sp.); F – KR22, stream in Karakal region (locus typicusof Atractides manasi n. sp.); G – KR23, rheohelocrenic spring in Karakal region (sampling site of Atractides grigorievkan. sp.); H – KR31, river near Son Kol Lake (sampling site of Atractides sonkulensisn. sp.).
Figure 8 in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 8 Atractides sonkulensisn. sp., male (A, C-F holotype, B paratype): A – idiosoma, ventral view; B – posterior margin of coxal shield; C – palp, lateral view; D – palp, medial view; E – genital field; F – I-L-5 and -6. Scale bars = 100 μm.
Figure 5 Atractides alaarchaensis n in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 5 Atractides alaarchaensis n. sp., male holotype: A – idiosoma, ventral view; B – I-L-5 and -6; C – palp, medial view; D – palp, lateral view; E – genital field. Scale bars = 100 μm.
Figure 2 in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 2 Torrenticola kyrgyzican. sp., female holotype: A – frontal margin of idiosoma, dorsal view; B – dorsal shield; C – ventral shield; D – palp, medial view; E – gnathosomal base and chelicera. Scale = 100 μm.
Figure 7 Atractides alaarchaensis n in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 7 Atractides alaarchaensis n. sp., deutonymph: A – I-L-5 and -6; B – palp, medial view; C – genital field. Scale bars = 100 μm.
Figure 6 Atractides alaarchaensis n in A checklist of the water mites of Central Asia with description of six new species (Acari, Hydrachnidia) from Kyrgyzstan
Figure 6 Atractides alaarchaensis n. sp., female paratype: A – coxal field; B – I-L-5 and -6; C – palp, lateral view; D – genital field. Scale bars = 100 μm.
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