Table 3 Effects of dietary eugenol treatment (0 or 50 ppm) on sugar water consumption by B. impatiens under (A) no-choice conditions in the Infection Intensity Experiment and (B) choice conditions in the Preference Experiment.

From: Effects of the floral phytochemical eugenol on parasite evolution and bumble bee infection and preference

A. No choice

χ2

df

P

Eugenol

1.174

1

0.279

Time

30.758

1

<0.001

Eugenol × time

1.577

1

0.209

Wing size

5.908

1

0.015

B. Preference

χ2

df

P

Eugenol

3.812

1

0.051

Infection

0.088

1

0.767

Eugenol × Infection

15.228

1

<0.001

Wing size

18.118

1

<0.001

  1. Wing size refers to the length of the forewing marginal cell. Parasite selection regime in the no-choice experiment and time since inoculation in the preference experiment were not significant predictors of sugar water consumption. These terms were therefore removed from the final model.
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