Published online by Cambridge University Press: 06 April 2009
Anoplura without eyes; with four segmented antennae not dimorphic in the sexes; 1 well developed sensorium on 4th antennal joint postero-basally; head considerably contracted posteriorly. Segments I–III closely united, more distinctly separated from the rest of the abdomen than the succeeding segments are inter se. 2nd sternite divided. 3rd cap-shaped.