Figure 8
From: The sex ratio distortion in the human head louse is conserved over time

Influence of social environment on sex ratio of lice. Comparison of a school in a deprived neighbourhood (A) with a school in an affluent neighbourhood (B).
From: The sex ratio distortion in the human head louse is conserved over time
Influence of social environment on sex ratio of lice. Comparison of a school in a deprived neighbourhood (A) with a school in an affluent neighbourhood (B).