Published November 21, 2023
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TABLE 1 in A new species of the broad-shouldered water strider genus Microvelia Westwood (Hemiptera: Heteroptera: Veliidae) from the Ogasawara (Bonin) Islands, Japan
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Description
TABLE 1. Measurements of Microvelia (Picaultia) yoshitomii Watanabe, sp. nov. Unit: mm, range (mean ± SD).
| Structure | Apterous male (N = 3) | Apterous female (N = 3) | Macropterous male (N = 1) | Macropterous female (N = 3) |
|---|---|---|---|---|
| Body length | 1.49–1.51 (1.50 ± 0.01) | 1.67–1.84 (1.77 ± 0.07) | 1.71 | 1.80–1.89 (1.84 ± 0.04) |
| Body width | 0.58 (0.58 ± 0.00) | 0.70–0.81 (0.76 ± 0.04) | 0.74 | 0.81–0.85 (0.82 ± 0.02) |
| Head length | 0.28–0.31 (0.30 ± 0.01) | 0.31–0.35 (0.34 ± 0.02) | - | - |
| Head width | 0.44–0.45 (0.45 ± 0.00) | 0.46–0.51 (0.49 ± 0.02) | - | - |
| Interocular distance | 0.23–0.24 (0.24 ± 0.00) | 0.27–0.29 (0.28 ± 0.01) | - | - |
| Antennal segment I | 0.15–0.16 (0.15 ± 0.00) | 0.17–0.19 (0.18 ± 0.01) | - | - |
| Antennal segment II | 0.14–0.15 (0.14 ± 0.00) | 0.15–0.16 (0.16 ± 0.01) | - | - |
| Antennal segment III | 0.18–0.20 (0.19 ± 0.01) | 0.19–0.23 (0.21 ± 0.01) | - | - |
| Antennal segment IV | 0.28–0.30 (0.29 ± 0.01) | 0.31–0.33 (0.32 ± 0.01) | - | - |
| Pronotum length | 0.34–0.36 (0.35 ± 0.01) | 0.35–0.42 (0.39 ± 0.03) | 0.57 | 0.60–0.65 (0.62 ± 0.02) |
| Pronotum width | 0.54–0.56 (0.55 ± 0.01) | 0.64–0.71 (0.68 ± 0.03) | 0.74 | 0.81–0.85 (0.82 ± 0.02) |
| Fore femur | 0.39–0.45 (0.42 ± 0.02) | 0.42–0.47 (0.45 ± 0.02) | - | - |
| Fore tibia | 0.33–0.37 (0.35 ± 0.02) | 0.32–0.36 (0.34 ± 0.01) | - | - |
| Fore tarsus | 0.21–0.23 (0.22 ± 0.01) | 0.21–0.23 (0.22 ± 0.01) | - | - |
| Middle femur | 0.44–0.54 (0.48 ± 0.05) | 0.48–0.53 (0.51 ± 0.02) | - | - |
| Middle tibia | 0.40–0.45 (0.42 ± 0.02) | 0.41–0.45 (0.43 ± 0.02) | - | - |
| Middle tarsomere I | 0.10–0.12 (0.11 ± 0.01) | 0.12–0.13 (0.13 ± 0.00) | - | - |
| Middle tarsomere II | 0.15–0.16 (0.16 ± 0.00) | 0.16 (0.16 ± 0.00) | - | - |
| Hind femur | 0.51–0.56 (0.54 ± 0.02) | 0.56–0.63 (0.60 ± 0.03) | - | - |
| Hind tibia | 0.51–0.57 (0.54 ± 0.02) | 0.61–0.67 (0.65 ± 0.03) | - | - |
| Hind tarsomere I | 0.13–0.14 (0.14 ± 0.01) | 0.14–0.15 (0.15 ± 0.01) | - | - |
| Hind tarsomere II | 0.14–0.16 (0.15 ± 0.01) | 0.16–0.17 (0.17 ± 0.00) | - | - |
Notes
Published as part of Watanabe, Kohei, 2023, A new species of the broad-shouldered water strider genus Microvelia Westwood (Hemiptera: Heteroptera: Veliidae) from the Ogasawara (Bonin) Islands, Japan, pp. 145 in Zootaxa 5375 (1) on page 145, DOI: 10.11646/zootaxa.5375.1.10, http://zenodo.org/record/10170449
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