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Zenodo
2025
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| Accés en línia: | https://doi.org/10.5281/zenodo.17306174 |
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- <p><i>Microtendipes tuberosus</i> Qi & Wang, 2006</p><p>Figs 5 B – E, 6</p><p><i>Microtendipes tuberosus</i> Qi & Wang, 2006: 43.</p><p><b>Material examined</b></p><p><b>(<i>N</i> = 3)</b>: 1 larva, China, Zhejiang Province, Lishui City, Suichang County, Jiulong Mountain National Nature Reserve, 370 m a. s. l., 28.408°N, 118.811°E, 29. VIII. 2020, C. Song; 2 larvae, China, Zhejiang Province, Lishui City, Suichang County, Jiulong Mountain National Nature Reserve, 400 m a. s. l., 28.380°N, 118.799°E, 29. VIII. 2020, C. Song.</p><p><b>Diagnosis</b></p><p>(Fig. 5 B, C). Mentum dark brown, with median teeth concolorous with lateral teeth; median tooth slightly shorter than the second lateral tooth. The cephalic capsule is light brown. Total length 2.1–3.7, 2.8 mm; head capsule length 375.0–400.0, 387.5 μm; head capsule width 287.5–300.0, 292.5 μm.</p><p>Mentum (Fig. 5 C). Width 105.0–110.0, 108.0 μm; median tooth width 23.0–25.0, 24.3 μm; ventromental plate width 83.0–122.5, 96.8 μm; distance between ventromental plates 59.0–85.0, 68.8 μm; striae count 22–29, 26.</p><p>Mandible (Fig. 5 D). Length 125.0–132.5, 129.8 μm.</p><p>Antenna (Fig. 5 E). Segment lengths: 100.0–102.5, 101.2 μm; 27.0–28.0, 27.5 μm; 23.0–26.3, 24.8 μm; 16.0–21.3, 19.1 μm; 10.0–11.3, 10.4 μm; 7.5–8.8, 7.9 μm).</p><p>Antennal ratio (AR) 1.1–1.2, 1.1. Ring organ width 25.5 μm; ring organ positioned at 0.15–0.22, 0.20 of basal segment length, 15.0–22.5, 20.0 μm from segment base; antennal blade 53.0–72.0, 59.7 μm in length.</p><p>Labrum. Premandible bifid; length 62.5–65.0, 63.8 μm. Pecten epipharyngis is composed of 8 teeth.</p><p>Thorax. Anterior claws pale with a faint golden tint; posterior claws pale golden. Procercus and apical setae are yellowish brown.</p><p>Abdomen. Anal setae comprising 8 hairs, length 197.4–445.0, 327.5 μm (Table 1).</p><p><b>Ecological environment</b></p><p>(Fig. 6). The stream flows through forests and villages, featuring a streambed composed of bedrock and sediment, with excellent water clarity.</p><p><b>Remarks.</b></p><p>A comparative analysis was conducted between our data and the larval morphological measurements reported by Tang (2006). The larvae of <i>M. tuberosus</i> resemble those of <i>Microtendipes britteni</i> (Edwards, 1983) in mentum morphology. However, <i>M. tuberosus</i> is noticeably smaller in body size (mean 2.8 mm vs. 6.9 mm in <i>M. britteni</i>) and has a shorter mandibular pecten (mean 153.3 μm vs. 195.0 μm in <i>M. britteni</i>). Among congeners, <i>M. tuberosus</i> is notably smaller overall. Both its median and lateral teeth are uniformly dark brown.</p>