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- Title
Early memory in the parasitoid wasp Nasonia vitripennis.
- Authors
Schurmann, Daria; Kugel, Dominic; Steidle, Johannes
- Abstract
We studied early memory in Nasonia vitripennis, a parasitoid of fly pupae and emerging model organism for ecological questions in the context of learning. After associative training consisting of one drilling experience in a host in the presence of cinnamon, females showed a preference to cinnamon for at least 24 h. To study sensitisation, wasps were trained by one drilling in a host without cinnamon. These wasps were not attracted to cinnamon immediately afterwards. Obviously, sensitisation is not involved in early memory. Wasps that were anaesthetised by CO directly after associative training did not react to cinnamon 30-45 min later, but after 1 and 24 h. CO treatment ≥5 min after training did not erase the reaction to cinnamon. This indicates the existence of four early memory phases. (a) One phase <5 min after training, in which CO has to be applied to become effective. (b) One subsequent phase which is resistant to CO. (c) One phase <1 h in which memory can be erased by CO treatment directly after training. (d) One phase 1-24 h not affected by CO treatment. Together with earlier data this enables us to establish a complete memory structure for N. vitripennis.
- Subjects
PARASITOIDS; NASONIA vitripennis; CINNAMON; OLFACTORY nerve; SHORT-term memory
- Publication
Journal of Comparative Physiology A: Neuroethology, Sensory, Neural & Behavioral Physiology, 2015, Vol 201, Issue 4, p375
- ISSN
0340-7594
- Publication type
Article
- DOI
10.1007/s00359-015-0989-4