Structural plasticity of olfactory neuropils in relation to insect diapause

Abstract

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Seasonal variations of serotonin in the visual system of an ant revealed by immunofluorescence and a machine learning approach

“…Gross seasonal changes like significant reduction or increase of neuropil volume [33], or dramatic changes in neurotransmitter content would be easily recognized. However, more subtle variations might escape observation, in particular when it is not clear where to expect them, in primary sensory processing areas like optic or antennal lobes, in well-separated central brain regions like the mushroom bodies or central complex, or even in other, far less intensively studied regions of the brain.…”

Chromosome Level Assembly of the Comma Butterfly (Polygonia c-album)

“…Research specifically using P. c-album itself as the model has also generated many other insights into insect-plant systems, concerning host repertoires of adults versus larvae ( Nylin and Janz 1996 ), preference-performance correlations ( Janz et al 1994 ), female host search strategies, and neural constraint and plasticity ( Carlsson et al 2011 ; Schäpers et al 2015 ; van Dijk et al 2017 ; Gamberale-Stille et al 2019 ) and genetics of host use within and among populations ( Nygren et al 2006 ). Other research areas that are making considerable use of P. c-album and close relatives as model species include effects of temperature and climate change ( Braschler and Hill 2007 ; Hodgson et al 2011 ; Audusseau et al 2013 ) as well as seasonal plasticity, life history regulation, and seasonal polyphenism ( Inoue et al 2005 ; Hiroyoshi et al 2018 ; Eriksson et al 2020 ).…”