heliotaxis
nounEtymology From helio- + taxis.
› Phototaxis related to the sun.
1
Biology, Natural sciences Movement of an organism toward sunlight; positive heliotaxis.
2
Biology, Natural sciences Movement of an organism away from sunlight; negative heliotaxis.
- Pronounced negative heliotaxis, evidently depending on some photodermatic sense, was apparent when the ants were exposed to the sun...1903, William Morton Wheeler, “Some Notes on the Habits of Cerapachs Augustae”, in Psyche, 10(325-326), page 206: