The thickness of galls containing unparasitized <i>Masakimyia pustulae</i> and those parasitized by <i>Platygaster</i> sp. in 2010.

<p>The number of galls examined was shown in each column. Sample size is shown in parentheses. Abbreviations are as follows, T₁: Tree 1, T₂: Tree 2, and T₃: Tree 3. Asterisk indicates significant differences at 1% level (nested ANOVA followed by Student’s t-test in each tree with adjustment of <i>p</i> values by Holm’s method; asterisk indicates significant difference).