Table 2 Comparisons of the different fungal treatment types applied on nestmate corpses of F. polyctena using fitted mixed-effect models. The P values were corrected with the FDR (false discovery rate) method. Significant differences are indicated by bold P values.

From: Behaviours indicating cannibalistic necrophagy in ants are modulated by the perception of pathogen infection level

 

Control-treatment

 

Treatment

Treatment; N

z

P

Pairwise comparisons

z

P

Hygienic behavioural index

Spore; 887

2.22

0.03

Spore-Hyphae

3.92

 < 0.001

Hyphae; 887

6.6

 < 0.001

Spore-Sporulating c.

3.93

 < 0.001

Sporulating c.; 887

4.87

 < 0.001

Hyphae-Sporulating c.

0.14

0.885

Number of antennations

Spore; 887

–1.92

0.07

Spore-Hyphae

3.9

 < 0.001

Hyphae; 887

5.92

 < 0.001

Spore-Sporulating c.

2.46

0.02

Sporulating c.; 887

3.85

 < 0.001

Hyphae-Sporulating c.

–1.34

0.2

Removal rate of corpses

Spore; 820

1.33

0.19

Spore-Hyphae

3.12

0.002

Hyphae; 820

7.94

 < 0.001

Spore-Sporulating c.

6.59

 < 0.001

Sporulating c.; 820

5.47

 < 0.001

Hyphae-Sporulating c.

3.62

 < 0.001

Amount of corpses removed

Spore; 820

– 0.38

0.79

Spore-Hyphae

2.42

0.02

Hyphae; 820

5.00

 < 0.001

Spore-Sporulating c.

2.34

0.03

Sporulating c.; 820

2.52

0.02

Hyphae-Sporulating c.

0.11

0.9

  1. Spore—nestmate corpses contaminated with spores; Hyphae—nestmate corpses with hyphae; Sporulating c.—nestmate corpses that are sporulating.
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