Correction to: BMC Ecol Evo (2020) 20:163 https://doi.org/10.1186/s12862-020-01727-z

After publication of the original article [1], the authors have notified us that Figure 2 was not updated during proofs, as requested.

Originally published Fig. 2:

figure 1

Correct Fig. 2:

Fig. 2
figure 2

a Minor worker grooming a major worker (Photo: NB). b Dissected gut showing the division into foregut, middle section consisting of midgut, paunch and colon, and rectum (Photo: LG). c Mean±SD of observed fungal genus richness per gut compartment. Each dot represents one sample

The Publisher apologizes for this error and any confusion caused.

The original article has also been updated.