Fig. 1 in Lousy chicks: Chewing lice from the Imperial Shag, Leucocarbo atriceps

Fig. 1. Mean intensity of instars (adults in dark grey, nymphs in light grey) of the lice Pectinopygus turbinatus and Piagetiella caputincisum in Imperial Shag chicks from Punta Léon, Patagonia, Argentina. Vertical bars correspond to the 95% confidence intervals.