Fig. 4

Comparative analysis of six female morphological characters: A body length, B body width, C esophagus length, D esophagus width, E distance from the anus to the posterior end, and F distance from the vulva to the posterior end according to molecular identity with the nuclear ITS2 region. An asterisk (*) indicates a statistical significance of P < 0.05 between the means of each group. The solid line of the boxplot indicates the mean value obtained from the morphological measurements, while the dashed line indicates the median. Angiostrongylus cantonensis and A. malaysiensis are abbreviated as Ac and Am, respectively