Home > Papers from 2017 > Spider eyes and spider legs

Spider eyes and spider legs

So for this pair of papers we are going slightly beyond the insects to their eight-legged cousins. Aside from the legs, one of the other key differences wth spiders there array of eyes, with each of the four pairs seeming to have different functions. This is interestingly different from insects, where it is more difficult to determine whether regions of the compound eye have functional specialisations. Ortega-Escobar and Ruiz show that two pairs of spider eyes are crucial for the odometry of the wolf spider. Bingman et al. study the navigation of the whip spider, where they track individuals after displacement from their home refuge. Spiders could still home when their vision was impaired but not when the tips of their antenniform legs were damaged, suggesting a role for olfactory information.

Ortega-Escobar, J. &  Ruiz, M. A. (2017) Role of the different eyes in the visual odometry in the wolf spider Lycosa tarantula (Araneae, Lycosidae) Journal of Experimental Biology 2017 220: 259-265; doi: 10.1242/jeb.145763

Bingman, V. P., Graving, J. M., Hebets, E. A., & Wiegmann, D. D. (2016). Importance of the antenniform legs, but not vision, for homing by the neotropical whip spider, Paraphrynus laevifrons. Journal of Experimental Biology, jeb-149823.

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