ASSOCIATIVE LEARNING AND MEMORY IN  TRICHOGRAMMA TELENGAI  (HYMENOPTERA, TRICHOGRAMMATIDAE)

M. A. Fedorova; Федорова М. А.; S. E. Farisenkov; Фарисенков С. Э.; A. V. Timokhov; Тимохов А. В.; A. A. Polilov; Полилов А. А.

doi:10.31857/S0044513423030054

ASSOCIATIVE LEARNING AND MEMORY IN TRICHOGRAMMA TELENGAI (HYMENOPTERA, TRICHOGRAMMATIDAE)

Authors: Fedorova M.A.¹, Farisenkov S.E.¹, Timokhov A.V.¹, Polilov A.A.¹
Affiliations:
1. Department of Entomology, Faculty of Biology, Lomonosov Moscow State University
Issue: Vol 102, No 3 (2023)
Pages: 284-290
Section: ARTICLES
URL: https://rjmseer.com/0044-5134/article/view/654177
DOI: https://doi.org/10.31857/S0044513423030054
EDN: https://elibrary.ru/BWOYYL
ID: 654177

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Abstract

Miniaturization constrains insects with the task of preserving vital body functions in spite of significant reductions in body size. The effects of miniaturization on the functioning of the insect nervous system were investigated in the parasitoid Trichogramma telengai. Despite a decreased number of neurons and their volume, T. telengai demonstrated the ability for associative learning and memory retention for up to 6 h after training. Our thermal setup, in which we trained and tested the microinsects, based on the Morris water maze principle makes it possible to compare the associative learning abilities of animals from different taxonomic groups. Our data expand the understanding of the effects of miniaturization on the cognitive abilities of animals and will allow us to determine which structural factors limit the minimum size of the functional insect brain.

Keywords

microinsects, behaviour, miniaturization

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