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Table 1 Body properties of all four groups (Phthiracaroidea without species from the genus Steganacarus) including subgroups of Phthiracaroidea categorized by size in comparison to Euphthiracaroidea. All values have been rounded. PS, Phthiracaroidea (P) smaller than E; PE, P with same respective dimensions as E; PXL, P larger than E; sd, standard deviation

From: Under pressure: force resistance measurements in box mites (Actinotrichida, Oribatida)

 

Body length [μm] (mean ± sd; median)

Body weight [μg] (mean ± sd; median)

Body volume [μm3] (mean ± sd; median)

Body density [μg/μm3] (mean ± sd; median)

A. longisetosus (N = 26)

774–973 (886 ± 42; 888)

111–169 (145 ± 12; 145)

n.a.

n.a.

Euphthiracaroidea (N = 25)

611–837 (716 ± 62.85; 726)

55–178 (104 ± 29.93; 95)

0.048–0.135 (0.086 ± 0.023; 0.08)

1088–1373 (1210 ± 65.62; 1207)

Phthiracaroidea (N = 71)

405–1042b (737 ± 184; 690)

18–466c (195 ± 135; 141)

0.016–0.361c (0.151 ± 0.104; 0.106)

1157–1392 (1283 ± 51.37; 1278)

PS (N = 17)

405–606 (503 ± 56; 497)

18–93 (52 ± 19; 48)

0.016–0.075a (0.041 ± 0.016; 0.037)

1157–1392 (1254 ± 56; 1259)

PE (N = 30)

611–837b (695 ± 60; 671)

89–240c (140 ± 36; 128)

0.07–0.174c (0.107 ± 0.026; 0.098)

1174–1377 (1296 ± 47; 1301)

PXL (N = 24)

847–1042 (957 ± 50; 966)

241–466 (365 ± 64; 360)

0.18–0.361 (0.283 ± 0.050; 0.281)

1207–1375 (1288 ± 47; 1283)

S. magnus (N = 29)

801–1302 (1031 ± 140.45; 1000)

157–694a (373 ± 154.25; 346)

0.125–0.549b (0.291 ± 0.121; 0.26)

1168–1428 (1284 ± 58.69; 1282)

  1. ano normal distribution in 1 test: Anderson Darling A or Shapiro-Wilk W)
  2. bno normal distribution in 2 tests: Shapiro-Wilk W and Anderson Darling A)
  3. cno normal distribution in 3 tests: Shapiro-Wilk W, Anderson Darling A and Jarque-Bera JB)