File:Fig AntennalLength.jpg

Summary

The relative length of the body, antennae and front legs remain almost the same in all seven developmental stages (larval stages L1 to L6 and imago). Top: A front leg is slightly longer than an antenna. However, since the attachment site of the front leg is more posterior than that of the antenna, the tip of the antenna reaches slightly further than the front leg tarsi (feet). The distance coxa-to-scape (between the attachment sites) is about equal to the tarsus length. All four measures increase linearly with body length (see dashed lines and slopes for antenna length and coxa-to-scape). Values are from at least 6 female animals per developmental stage. Bottom: length ratios for absolute values above. For the ratio antenna/leg, the offset coxa-to-scape was subtracted from leg length, in order to relate the workspaces of antennal tip and tarsus tip. Vertical dotted lines separate developmental stages. [By Volker Dürr and Jan M Ache, Biological Cybernetics, Bielefeld University, Germany]

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