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. 2021 Feb 24;11(3):591. doi: 10.3390/ani11030591

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Number of workers (mean ± 95% Confidence Interval (CI)) inside the nest 24 h and 7 days after placing them in the foraging arena according to the species (Lh = L. humile and Tn = T. nigerrimum) and the number of queens in the colony.