Pediculus humanus, everted haustellum seen from below, showing teeth,and part of shafts of stylets. (x1000.)
(After Sikora.)
Pediculus humanus, everted haustellum
seen from below, showing teeth,and part of
shafts of stylets. (x1000.)
Pediculus humanus, everted haustellum
seen from below, showing teeth,and part of
shafts of stylets. (x1000.)