Brains and brain components in African and European honey bees (Hymenoptera: Apidae) – a volumetric comparison

publication date: Dec 24, 2008
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Journal of Apicultural Research
Vol. 47 (4) pp. 281 - 285
DOI
Date
December 2008
 
Article Title

Brains and brain components in African and European honey bees (Hymenoptera: Apidae) - a volumetric comparison
Author(s)

Gloria DeGrandi-Hoffman, Tiffany Lucas,
Wulfila Gronenberg, Delayne Caseman

Abstract

The volumes of brains and major brain regions were compared between European (EHB) and African (AHB) honey bee workers. The brain volume was not significantly different between the two bee races. The overall composition of major brain regions appeared similar except for the lobes of the mushroom bodies, which were significantly larger in EHB. Discriminant analysis indicated that brains from EHB could be distinguished from those of AHB based on the volumes of the central body together with either the mushroom body lobe or the mushroom body calyx. Whether learning and memory capacities differ between AHB and EHB based on the size of mushroom body lobes and whether the differences are adaptive due to the environments where EHB and AHB originated are discussed.

Keywords
Apis mellifera scutellata, honey bee brain, mushroom bodies
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