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12 results for “Demodecidae”
Figure 2 in Enhancing survival of Demodex folliculorum (Acari: Demodecidae) under in vitro condition: Effect of temperature and culture media
Figure 2. Microphotograph (40×) of Demodex folliculorum mites in the hair follicle of six individuals with a clinical diagnosis of blepharitis. Note the different life stages of the mites (a = adult; l = larva; n = nymph; o = ovum).
Figure 1 in Enhancing survival of Demodex folliculorum (Acari: Demodecidae) under in vitro condition: Effect of temperature and culture media
Figure 1. Photograph of the eyelids of a patient with cylindrical dandruff attached to the eyelid margin and around the eyelash base.
Fig. 3 in Morphological and ontogenetic characteristics of Miridex putorii (Acariformes: Demodecidae), a new genus and species of skin mite specific to the European polecat Mustela putorius
Fig. 3. Miridex putorii gen. nov., sp. nov. A, female, ventral view; B, male, ventral view; C, pharate male, deutonymph with visible male inside, a. anterior end of male gnathosoma, b. posterior end of male opisthosoma; D, pharate female, deutonymph with visible female inside, c. anterior end of female gnathosoma; d. posterior end of female opisthosoma.
Fig. 2 in Morphological and ontogenetic characteristics of Miridex putorii (Acariformes: Demodecidae), a new genus and species of skin mite specific to the European polecat Mustela putorius
Fig. 2. Miridex putorii gen. nov., sp. nov., egg and immature stages. A, egg; B, larva, ventral view, a. vimineous seta, b. leg with claws, c. ventral scutum; C, protonymph, ventral view; D, deutonymph, ventral view; E, F, G, claw, various views; H, supracoxal spine of deutonymph, arrow indicate the orientation of left spine as viewed on the gnathosoma.
Fig. 1 in Morphological and ontogenetic characteristics of Miridex putorii (Acariformes: Demodecidae), a new genus and species of skin mite specific to the European polecat Mustela putorius
Fig. 1. Miridex putorii gen. nov., sp. nov. A, male, ventral view; B, male, dorsal view, a. aedeagus; C, female, ventral view, b. vulva; D, female, dorsal view; E, gnathosoma, male, dorsal view, c. seta dG, d. seta dF, e. supracoxal spine (seta elc.p), f. genital opening, g. anterior end of aedeagus, h. membrane capitulum; F, gnathosoma, male, dorsal view, i. everted anterior part of aedeagus; G, gnathosoma, male, ventral view, j. spines on palps, k. seta v"F, l. pharyngeal bulb, m. subgnathosomal seta (seta n); H, claw on the leg.
Fig. 3. Demodex midae n in A new species of Demodex (Acari: Demodecidae) from the skin of golden-handed tamarins, Saguinus midas (Primates: Cebidae)
Fig. 3. Demodex midae n. sp. (A) Holotype male, ventral view. (B) Holotype male, dorsal view. (C) Spines on the right palpus, male, ventral view. (D) Supracoxal spine, male, dorsal view, arrows indicate the orientation of the left spine as a view on the gnathosoma. (E) Claw on the leg of tarsi, male. (F) Aedeagus. (G) Female, ventral view. (H) Egg. ae: aedeagus, op: opisthosomal organ, sg: subgnathosomal setae (setae n), sc: supracoxal spine (setae elc.p), vu: vulva. Scale bars = 20 μm (A, B, G, H) and 1 μm (C–F).
Fig. 2 in A new species of Demodex (Acari: Demodecidae) from the skin of golden-handed tamarins, Saguinus midas (Primates: Cebidae)
Fig. 2. Demodectic mange in a male golden-handed tamarin (case 1). (A) Macrophage/histiocyte accumulate and form nodules around the follicles that have filled and expanded with demodecid mites. H&E. Scale bar = 1 mm. (B) Dilated hair follicles are filled with transverse or cross sections of demodecid mites. The monotonous infiltrating macrophage/histiocyte surrounding the follicle has round to slightly irregular nuclei and abundant eosinophilic cytoplasm. Numerous mitotic figures are seen. H&E. Scale bar = 50 μm. (C) Almost all macrophage/histiocytes are strongly immunolabeled with Iba-1. Scale bar = 1 mm. (D) Numerous macrophage/histiocytes are immunolabeled for Ki-67 with a Ki-67 labeling index of 85.5%. Scale bar = 50 μm. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 4 in A new species of Demodex (Acari: Demodecidae) from the skin of golden-handed tamarins, Saguinus midas (Primates: Cebidae)
Fig. 4. Maximum likelihood phylogenetic trees of Demodex (Trombidiformes: Cheyletoidea: Demodecidae). (A) 18S sequence-based rooted phylogenetic tree with Myobia (Trombidiformes: Prostigmata: Myobiidae) as outgroup and Cheletomimus and Neochelacheles (Trombidiformes: Cheyletoidea: Cheyletidae) as related species of Demodex. (B) 16S sequence-based midpoint-rooting tree. Accession numbers are shown in roman next to the taxa names. Nodes are labeled with bootstrap values greater than 60%. Scale bars represent substitutions per site.
Fig. 1 in A new species of Demodex (Acari: Demodecidae) from the skin of golden-handed tamarins, Saguinus midas (Primates: Cebidae)
Fig. 1. Photographs of a male red-handed tamarin of case 1. (A and B) On initial examination, hair loss, and scale are found on the face, especially severe on the left temple, with numerous psoriasis-like plaques. (C and D) Findings of five months after treatment with fluralaner showing resolution of related lesions. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Table 2 in Demodex bialoviensis sp. nov. (Acariformes, Demodecidae) a new, specific parasite of the European bison Bison bonasus (Artiodactyla, Bovidae)
<p><b>Table 2</b> Morphometric comparison between <i>Demodex bialoviensis</i> sp. nov. and <i>Demodex bisonianus</i>.</p><table><tbody><tr><th>Feature/Species</th><th><i>Demodex bialoviensis</i> sp. nov.</th><th><i>Demodex bisonianus</i></th></tr></tbody><tbody><tr><th>Source</th><td>Present study</td><td></td><td>Kadulski and Izdebska</td></tr><tr><th></th><td></td><td></td><td>(1996)</td><td></td></tr><tr><th>Sex Sample size</th><td>Males (n =12)</td><td>Females (n =</td><td>Males</td><td>Females</td></tr><tr><th></th><td></td><td>34)</td><td>(n =</td><td>(n =20)</td></tr><tr><th></th><td></td><td></td><td>20)</td><td></td></tr><tr><th>Body total length</th><td>176</td><td>239</td><td>517, SD</td><td>534, SD</td></tr><tr><th></th><td>(158–198), SD</td><td>(200–268), SD</td><td>23 a</td><td>20 a</td></tr><tr><th></th><td>13</td><td>15</td><td></td><td></td></tr><tr><th>Body total width</th><td>31 (30–35), SD</td><td>35 (30–40), SD</td><td>63, SD 9</td><td>68, SD 9</td></tr><tr><th></th><td>2</td><td>2</td><td></td><td></td></tr><tr><th>Body length to</th><td>5.6:1</td><td>6.8:1</td><td>8.2:1b</td><td>7.9:1b</td></tr><tr><th>width ratio</th><td>(4.9–6.4:1), SD</td><td>(5.2–7.9:1), SD</td><td></td><td></td></tr><tr><th></th><td>0.6:1</td><td>0.6:1</td><td></td><td></td></tr><tr><th>Opisthosoma</th><td>62 (57–65), SD</td><td>65 (60–69), SD</td><td>68b</td><td>69b</td></tr><tr><th>length to body</th><td>2</td><td>2</td><td></td><td></td></tr><tr><th>length ratio (%)</th><td></td><td></td><td></td><td></td></tr><tr><th>Aedeagus length</th><td>21 (18–29), SD</td><td>–</td><td>33, SD 7</td><td>–</td></tr><tr><th>3</th></tr><tr><th>Vulva length</th><td>–</td><td>12 (10–17), SD</td><td>–</td><td>22, SD 2</td></tr><tr><th></th><td></td><td>2</td><td></td><td></td></tr></tbody></table><p><sup>a</sup> Measurements were rounded to the nearest micrometer with respect to the original results (Kadulski and Izdebska, 1996).</p><p><sup>b</sup> Calculated from measurements of Kadulski and Izdebska (1996).</p>
Figure 1. A in Prevalence and density of Demodex mites (Acari: Demodecidae) in patients with seborrheic dermatitis
Figure 1. A. Demodex spp. (at 40x magnification), B. D. folliculorum (at 40x magnification.
Table 1 in Demodex bialoviensis sp. nov. (Acariformes, Demodecidae) a new, specific parasite of the European bison Bison bonasus (Artiodactyla, Bovidae)
<p><b>Table 1</b> Body size (micrometers) for adults and deutonymphs of <i>Demodex bialoviensis</i> sp. nov.</p><table><tbody><tr><th>Morphologic features</th><th>Males (n =12)</th><th>Females (n =</th><th>Deutonymph (n</th></tr></tbody><tbody><tr><th></th><td></td><td>34)</td><td>=5)</td></tr><tr><th>Length of</th><td>17 (15–20), SD 1</td><td>22 (20–26), SD 2</td><td>16 (13–20), SD 3</td></tr><tr><th>gnathosoma</th><td></td><td></td><td></td></tr><tr><th>Width of gnathosoma</th><td>15 (13–20), SD 2</td><td>21 (17–25), SD 2</td><td>14 (11–17), SD 3</td></tr><tr><th>(at base)</th><td></td><td></td><td></td></tr><tr><th>Length of podosoma</th><td>50 (45–58), SD 4</td><td>62 (55–68), SD 4</td><td>53 (50–58), SD 3</td></tr><tr><th>Width of podosoma</th><td>31 (30–35), SD 2</td><td>35 (30–40), SD 2</td><td>36 (35–38), SD 1</td></tr><tr><th>Length of</th><td>109 (93–125),</td><td>154 (125–178),</td><td>133 (125–145),</td></tr><tr><th>opisthosoma</th><td>SD 11</td><td>SD 13</td><td>SD 9</td></tr><tr><th>Width of opisthosoma</th><td>29 (25–33), SD 2</td><td>33 (30–39), SD 3</td><td>31 (30–33), SD 1</td></tr><tr><th>Aedeagus</th><td>21 (18–29), SD 3</td><td>–</td><td>–</td></tr><tr><th>Vulva</th><td>–</td><td>12 (10–17), SD 2</td><td>–</td></tr><tr><th>Total length of body</th><td>176 (158–198),</td><td>239 (200–268),</td><td>202 (188–218),</td></tr><tr><th></th><td>SD 13</td><td>SD 15</td><td>SD 12</td></tr></tbody></table>
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