Table 5 in Phylogenetic analyses and description of a new species of black widow spider of the genus Latrodectus Walckenaer (Araneae, Theridiidae) from Mexico; one or more species?
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Table 5. Average linear measurements (mm) analyzed of female specimens from the putative species of Latrodectus Walckenaer, 1805 in Mexico recorded in this study. Values in parentheses represent minimums and maximums. “ T ” = Length/Width of the Cephalothorax. “TT” = Tibia-Patella length of legs I or IV. FemalesL. mactansL. occidentalis sp. nov.Latrodectus sp. 1Latrodectus sp. 2L. hesperusCarapace length4.11 (3.8–4.45)4.03 (3.68–4.5)3.56–3.964.18 (3.81–4.87)4.04 (3.43–4.56)Carapace width3.53 (3.16–3.76)3.6 (3.2–3.95)3.062–3.363.76 (3.2–4.55)3.56 (2.96–4.2)T coefficient1.13 (1.1–1.67)1.11 (0.98–1.22)1.162–1.1781.09 (0.98–1.22)1.13 (1.01–1.22)Sternum length2.15 (2.07–2.31)2.22 (2.02–2.4)1.84–22.21 (1.9–2.5)2.18 (1.77–2.5)Sternum width1.94 (1.82–2.02)1.87 (1.7–2.12)1.62–1.821.96 (1.7–2.32)1.88 (1.6–2.3)Sternum coefficient1.13 (1.06–1.21)1.18 (1.1–1.3)1.136–1.0991.11 (1.03–1.19)1.15 (1.07–1.29)Tibia-Patella I length7.08 (6.56–7.8)7.96 (6.4–9.1)6.96–6.887.06 (6.06–8.4)7.56 (6.48–8.7)Tibia-Patella I width0.72 (0.68–0.76)0.68 (0.64–0.75)0.675–0.7250.68 (0.6–0.76)0.69 (0.6–0.8)Tibia-Patella I coefficient10.01 (9.37–10.54)11.67 (10.16–12.71)10.311–9.499.82 (9.04–10.23)10.88 (9.77–12)Femur I length6.49 (5.68–7.04)7.74 (6.24–9.1)6.4–6.486.22 (5.81–6.88)7.09 (6.08–8.1)Femur I width0.85 (0.78–0.9)0.81 (0.76–0.86)0.8–0.8380.9 (0.76–1.06)0.87 (0.74–1.02)Femur I coefficient7.7 (7.52–8)9.79 (8.85–11.06)7.642–8.16.87 (6.36–7.64)8.06 (7.51–8.86)TT1 coefficient1.69 (1.65–1.73)2 (1.56–2.36)1.737–1.9551.71 (1.51–2)1.85 (1.63–1.97)Tibia–Patella IV length6.12 (6–6.32)6.63 (6.06–7.2)5.75–5.8756.14 (5.31–7.04)6.41 (5.12–7.52)Tibia–Patella IV width0.82 (0.74–0.9)0.81 (0.64–0.96)0.75–0.8750.82 (0.74–0.96)0.82 (0.64–0.98)Tibia–Patella IV coefficient7.41 (7.02–7.77)8.16 (7.44–9.35)7.581–7.6677.49 (6.78–8.63)7.9 (7.5–8.38)Femur IV length6.06 (5.75–6.32)6.83 (5.44–7.9)5.875–5.9386.14 (5.43–7.44)6.59 (5.6–7.6)Femur IV with0.82 (0.74–0.88)0.81 (0.64–0.96)0.762–0.8120.87 (0.74–1.04)0.85 (0.7–1)Femur IV coefficient7.51 (7.09–7.93)8.45 (7.52–9.37)7.231–7.7876.79 (6.38–7.34)7.66 (6.76–8.47)TT4 coefficient1.47 (1.42–1.59)1.66 (1.47–1.95)1.484–1.6151.49 (1.3–1.68)1.61 (1.49–1.7)Angle of the spermathecae25.67 (18.88–34.83)32.99 (18.86–44.19)44.036–46.7931.93 (26.61–38.20)30.2 (20.4–38.08)Genital opening length0.207 (0.2–0.21)0.25 (0.2–0.31)0.232–0.2330.25 (0.21–0.28)0.22 (0.19–0.28)Genital opening width0.63 (0.53–0.70)0.73 (0.64–0.85)0.614–0.6150.67 (0.65–0.69)0.64 (0.59–0.71)Genital opening coefficient0.33 (0.28–0.4)0.35 (0.26–0.43)0.377–0.3790.37 (0.31–0.41)0.33 (0.3–0.36)
表5. 本研究记录的墨西哥地区疑似寇蛛属（Latrodectus Walckenaer, 1805）物种雌性标本的平均线性测量值（单位：mm）。括号内数值为最小值与最大值。“T”代表头胸甲（Cephalothorax）的长宽比；“TT”代表步足I或IV的胫节-膝节（Tibia-Patella）长度。 测量指标 | L. mactans | L. occidentalis sp. nov. | Latrodectus sp. 1 | Latrodectus sp. 2 | L. hesperus --- | --- | --- | --- | --- | --- 头胸甲长 | 4.11 (3.8–4.45) | 4.03 (3.68–4.5) | 3.56–3.96 | 4.18 (3.81–4.87) | 4.04 (3.43–4.56) 头胸甲宽 | 3.53 (3.16–3.76) | 3.6 (3.2–3.95) | 3.06–3.36 | 3.76 (3.2–4.55) | 3.56 (2.96–4.2) T系数 | 1.13 (1.1–1.67) | 1.11 (0.98–1.22) | 1.162–1.178 | 1.09 (0.98–1.22) | 1.13 (1.01–1.22) 胸板长 | 2.15 (2.07–2.31) | 2.22 (2.02–2.4) | 1.84–2.21 | 2.21 (1.9–2.5) | 2.18 (1.77–2.5) 胸板宽 | 1.94 (1.82–2.02) | 1.87 (1.7–2.12) | 1.62–1.82 | 1.96 (1.7–2.32) | 1.88 (1.6–2.3) 胸板长宽比 | 1.13 (1.06–1.21) | 1.18 (1.1–1.3) | 1.136–1.099 | 1.11 (1.03–1.19) | 1.15 (1.07–1.29) 第一步足胫节-膝节长 | 7.08 (6.56–7.8) | 7.96 (6.4–9.1) | 6.96–6.88 | 7.06 (6.06–8.4) | 7.56 (6.48–8.7) 第一步足胫节-膝节宽 | 0.72 (0.68–0.76) | 0.68 (0.64–0.75) | 0.675–0.725 | 0.68 (0.6–0.76) | 0.69 (0.6–0.8) 第一步足胫节-膝节长宽比 | 10.01 (9.37–10.54) | 11.67 (10.16–12.71) | 10.311–9.49 | 9.82 (9.04–10.23) | 10.88 (9.77–12) 第一腿节长 | 6.49 (5.68–7.04) | 7.74 (6.24–9.1) | 6.4–6.48 | 6.22 (5.81–6.88) | 7.09 (6.08–8.1) 第一腿节宽 | 0.85 (0.78–0.9) | 0.81 (0.76–0.86) | 0.8–0.838 | 0.9 (0.76–1.06) | 0.87 (0.74–1.02) 第一腿节长宽比 | 7.7 (7.52–8) | 9.79 (8.85–11.06) | 7.642–8.16 | 6.87 (6.36–7.64) | 8.06 (7.51–8.86) 第一步足TT系数 | 1.69 (1.65–1.73) | 2.0 (1.56–2.36) | 1.737–1.955 | 1.71 (1.51–2) | 1.85 (1.63–1.97) 第四步足胫节-膝节长 | 6.12 (6–6.32) | 6.63 (6.06–7.2) | 5.75–5.875 | 6.14 (5.31–7.04) | 6.41 (5.12–7.52) 第四步足胫节-膝节宽 | 0.82 (0.74–0.9) | 0.81 (0.64–0.96) | 0.75–0.875 | 0.82 (0.74–0.96) | 0.82 (0.64–0.98) 第四步足胫节-膝节长宽比 | 7.41 (7.02–7.77) | 8.16 (7.44–9.35) | 7.581–7.667 | 7.49 (6.78–8.63) | 7.9 (7.5–8.38) 第四腿节长 | 6.06 (5.75–6.32) | 6.83 (5.44–7.9) | 5.875–5.938 | 6.14 (5.43–7.44) | 6.59 (5.6–7.6) 第四腿节宽 | 0.82 (0.74–0.88) | 0.81 (0.64–0.96) | 0.762–0.812 | 0.87 (0.74–1.04) | 0.85 (0.7–1) 第四腿节长宽比 | 7.51 (7.09–7.93) | 8.45 (7.52–9.37) | 7.231–7.787 | 6.79 (6.38–7.34) | 7.66 (6.76–8.47) 第四步足TT系数 | 1.47 (1.42–1.59) | 1.66 (1.47–1.95) | 1.484–1.615 | 1.49 (1.3–1.68) | 1.61 (1.49–1.7) 受精囊（spermathecae）角度 | 25.67 (18.88–34.83) | 32.99 (18.86–44.19) | 44.036–46.793 | 31.93 (26.61–38.20) | 30.2 (20.4–38.08) 生殖孔长 | 0.207 (0.2–0.21) | 0.25 (0.2–0.31) | 0.232–0.233 | 0.25 (0.21–0.28) | 0.22 (0.19–0.28) 生殖孔宽 | 0.63 (0.53–0.70) | 0.73 (0.64–0.85) | 0.614–0.615 | 0.67 (0.65–0.69) | 0.64 (0.59–0.71) 生殖孔长宽比 | 0.33 (0.28–0.4) | 0.35 (0.26–0.43) | 0.377–0.379 | 0.37 (0.31–0.41) | 0.33 (0.3–0.36)
