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Fig. 1. Morphometry and mass of the body. (A) Photographs of an adult male
Sipyloidea to show the elongated body and long thin legs. Scale bar,
5 mm. The inset shows a close-up of the femorotibial joint of a hind leg,
which lacks any clear specialisations for jumping. Scale bar, 0.5 mm. (B,C)
Bar charts showing the dimorphic body mass (B) and body length (C) of adult
males (M) and females (F). Values are means ± S.E.M. Values of
N are given on the graphs. (D,E) Pie charts of the distribution of
mass in different parts of the body (as a percentage of total body mass) in
three males (D) and six females (E).